IYOTA Hiroyuki

J-GLOBAL         Last updated: Mar 31, 2019 at 02:44
 
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Name
IYOTA Hiroyuki
Affiliation
Osaka City University
Section
Graduate School of Engineering Mechanical and Physical Engineering Course
Job title
Professor
Degree
Master of Engineering(Osaka City University)
Research funding number
10264798

Research Areas

 
 

Published Papers

 
食品用プラスチック容器包装における発泡メカニズム
井上 保, 塩野 剛, 伊與田 浩志
日本食品工学会誌   19(3) 145-150   Sep 2018   [Refereed]
Yuji Tatemoto, Ryo Ogawa, Hiroyuki Iyota
Drying Technology      Dec 2017   [Refereed]
Hideki Sakai, Hiroyuki Iyota
INTERNATIONAL JOURNAL OF THERMOPHYSICS   38(131)    Sep 2017   [Refereed]
Kohei Miura, Taiki Matsumoto, Hiroyuki Iyota, Akihiro Morikawa, Tetsuo Tsujioka , Michiaki Tanaka, Naoki Uesugi
JAPAN SOCIETY OF THERMOPHYSICAL PROPERTIES, Netsu Bussei   30(1) 9-17   Feb 2016   [Refereed]
In the process of heat-treating of materials during food processing by employing hot air or high temperature steam, the gas flow temperature, humidity, and pressure significantly affect the processed materials. In this study, we developed a humidi...
Kyoko Ohishi, Kimiko Ishiwata, Sadako Takasaki, Keiko Nakamura, Yasuko Matsuda , Hiroyuki Iyota, Kuniko Sugiyama, Shoko Shibukawa
The Japan Society of Cookery Science, Journal of Cookery Science of Japan   49(1) 35-42   Jan 2016   [Refereed]
This study analysed the effects of the heating capacity of oven plates and the heating ability of ovens on the internal temperature of meat after oven cooking at 230°C. The temperature of the samples increased with the increase in the heating abil...
Keiko Nakamura, Keiko Nakamoto, Chizuru Yagi, Toyoko Watanabe, Kimiko Ishiwata, Kyoko Ohishi, Sadako Takasaki, Yasuko Matsuda, Junko Yamagata, Hiroyuki Iyota, Kuniko Sugiyama, Shoko Shibukawa
The Japan Society of Cookery Science, Journal of Cookery Science of Japan   49(1) 26-34   Jan 2016   [Refereed]
This study investigated the effects of cooking and placement conditions, heat capacity of an oven plate, and thickness of meat samples upon change in their internal temperatures after oven cooking.In the condition wherein the oven plate was covere...
Yukiko Ueda, Hiroyuki Iyota, Junko Yamagata, Masayo Ikeda, Naomi Chisuwa, Mitsuru Fukui
Journal of Japanese Society of Shokuiku   9(2) 177-185   Apr 2015   [Refereed]
The objective of this study was to use a quasi-experimental design with a control group to verify the effectiveness of an education program, and to investigate the effects of improved energy-conservation awareness on students' behavioral intention...
OCHI Akihiko, NODA Takahiro, HIDAKA Yasuyuki, IYOTA Hiroyuki, NAKAMURA Toru
The Society of Plant Protection of North Japan, ANNUAL REPORT OF THE SOCIETY OF PLANT PROTECTION OF NORTH JAPAN   2015(66) 13-17   2015   [Refereed]
Takahiro NODA,Yasuyuki HIDAKA,Hiroyuki IYOTA,Akihiko OCHI,Kazuhiko SAKAI,Tetsuo YABU,Yohei UWAGAKI,Genki MIMURO,Toshiyuki MORIKAWA,Jun ISOTA,Shigeru HOSHINO,Tsutomu ARIE,Toru NAKAMURA,Yuki KARUBE
77(5) 371-383   2015   [Refereed]
Takahiro NODA,Hiroyuki IYOTA, Yasuyuki HIDAKA , Tamotsu INOUE , Mio YOKOE
Japanese Society of Agricultural Machinery and Food Engineers, Journal of the Japanese Society of Agricultural Machinery and Food Engineers   76(6) 555-563   Nov 2014   [Refereed]
In order to raise efficiency and to reduce the costs associated with chemical-free, environment-friendly disinfection methods for rice seed, we propose a rice seed disinfection method that uses steam heating. This method aims to sterilize the surf...
Nobuya NISHIMURA, Tametoshi MATSUBARA, Hiroyuki IYOTA, Yosuke SHIRAYANAGI, Yuuma YAMAGA
Japan Society of Refrigerating and Air Conditioning Engineers, Trans.JSRAE   31(3) 317-329   2014   [Refereed]
This paper presents the feasibility of solar thermal energy utilization to plant factory. Performance and operationcharacteristics of the solar driven absorption chiller heater of 352 kilowatt refrigeration capacity were investigated byusing long ...
Taro Murakami, Aiko Yutani, Tetsuo Yamano, Hiroyuki Iyota, Yotaro, Konishi
Plant Foods for Human Nutrition   69(1) 25-29   2014   [Refereed]
Hiroyuki IYOTA, Hideki SAKAI , Yusuke MAMIYA
Japanese Society for Food Science and Technology Food Science and Technology Research   19(6) 939-947   Nov 2013   [Refereed]
An in-situ color measurement method during heating in an oven is required for optimizing the oven cooking operation. However, conventional colorimetric apparatus is not applicable because such processes usually involve high temperatures and wet su...
Nanae KURATATE, Hiroyuki IYOTA, Junko YAMAGATA, Tomohiro KAYANO, Masayo IKEDA, Naomi CHISUWA, Mitsuru FUKUI, Yukiko UEDA
日本エネルギー学会   92(8) 695-701   Aug 2013   [Refereed]
Study of the gas consumption and cooking appliances used in food service management
64(5) 233-242   May 2013   [Refereed]
Reduction of Reflected Heat of the Sun by Retroreflective Materials
Hideki Sakai, Kazuo Emura, Norio Igawa, Hiroyuki Iyota
Journal of Heat Island Institute International   7(2) 218-221   2012   [Refereed]
Method for Measuring Solar Reflectance of Retroreflective Materials Using Emitting-Receiving Optical Fiber
Hiroyuki Iyota, Hideki Sakai, Kazuo Emura, Norio Igawa, Hideya Shimada, Nobuya Nishimura
Journal of Heat Island Institute International   7(2) 213-217   2012   [Refereed]
Junko YAMAGATA, Hiroyuki IYOTA, Kuniko SUGIYAMA, Nobuya NISHIMURA
Journal of the Japanese Society for Experimental Mechanics 2011   11 86-91   Sep 2011   [Refereed]
Hideki SAKAI, Hiroyuki IYOTA, Kazuo EMURA, Norio IGAWA
Architectural Institute of Japan, Journal of Structural and Construction Engineering (Transactions of AIJ)   76(665) 1229-1234   Jul 2011   [Refereed]
Two kinds of directional retroreflective materials are manufactured, which are designed to show abrupt change in reflectance at the incident angle (Θ) of around 30 degrees. The measured solar reflectances are 17.7 percent for Θ ≥ 40...
Investigating of the Actual Awareness of Energy Consumption among Mass Cooking Staff and Attempt at the "Visualization Method" of Energy Consumption in the Registered Dietitians' Training Course 
5(1) 29-37   Jan 2011   [Refereed]
Volume of a liquid drop detaching from a sphere
Kenji Katoh, Hiroyuki Iyota, Tamotsu Inoue, Tomoya Tsujino
Heat Transfer Asian Research   39(6) 396-409   Sep 2010   [Refereed]
Tamotsu Inoue, Iyota Hiroyuki, Nobuya Nishimura
DRYING TECHNOLOGY   28(5) 608-614   May 2010   [Refereed]
Naruaki SHINOMIYA, Nobuya NISHIMURA, Hiroyuki IYOTA
Japan Society of Refrigerating and Air Conditioning Engineers, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   27(1) 11-20   Mar 2010   [Refereed]
System performance prediction model for air-cooled air conditioner has been developed, and influences of Grooved tubes on performance of air conditioners with R410A were quantitatively investigated. Calculated results with simulation model corresp...
Hiroyuki IYOTA, Satoshi FUJITA, Naoya KINOSHITA, Masamichi YOSHIDA, Atsushi HASHIMOTO
日本実験力学会 実験力学 : journal of JSEM   9(0) s48-s53   Sep 2009   [Refereed]
The convective drying of glass-bead-packed beds containing sucrose/NaCl aqueous solution was examined at a wide range of steam partial pressures using room air to superheated steam at 160 °C. The sucrose distribution in the sample materials af...
Tamotsu INOUE, Hiroyuki IYOTA, Nobuya NISHIMURA, Masamichi YOSHIDA
Journal of the Japanese Society for Experimental Mechanics 2009   9 54-59   Sep 2009   [Refereed]
Kenji, KATOH,Hiroyuki IYOTA, Tamotsu INOUE, Tomoya TSUJINO
The Japan Society of Mechanical Engineers, Transactions of the Japan Society of Mechanical Engineers Series B   75(755) 1503-1509   Jul 2009   [Refereed]
A theoretical and experimental study is conducted to investigate the detached volume from the pendant drop on sphere surface. From the observation of droplet detachment by use of a high speed video camera, the movement of upper part from the neck ...
T. Inoue, H. Iyota, T. Uemura, J. Yamagata, Y. Konishi, Y. Tatemoto
Drying Technology   27(7) 918-926   Jul 2009   [Refereed]
Naruaki SHINOMIYA, Nobuya NISHIMURA, Hiroyuki IYOTA, Satoru KURATA
Japan Society of Refrigerating and Air Conditioning Engineers, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   26(1) 93-104   Mar 2009   [Refereed]
A novel simple measuring method of actual performance of room air-conditioners by neural net work analysis (NNW) has been developed. The actual performance for a long term which is difficult to be measured by air enthalpy method is able to be meas...
Hiroyuki IYOTA, Akira OHYA, Junko YAMAGATA,Takashi SUZUKI, Toshiaki MIYAGAWA, Takashi KAWABATA
Japan Society of Refrigerating and Air Conditioning Engineers, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   26(1) 121-129   Mar 2009   [Refereed]
The simple and noninvasive measuring methods of bioinstrumentation in humans is required for optimization of air conditioning and management of thermal environments, taking into consideration the individual specificity of the human body as well as...
Yuji TATEMOTO, Ryosuke KIMURA, Hiroyuki IYOTA, Junko YAMAGATA
Drying Technology   27(3) 437-444   Mar 2009   [Refereed]
Naruaki SHINOMIYA, Nobuya NISHIMURA, Hiroyuki IYOTA
The Society of Heating, Air-Conditioning & Sanitary Engineers of Japan, Transactions of the Society of Heating,Air-conditioning and Sanitary Engineers of Japan   33(138) 29-38   Sep 2008   [Refereed]
Time changes of air conditioning exhaust heats distribution in Osaka city were estimated by energy supplies both electricity and town gas for the purpose of clarifying the space-time characteristics of the air conditioning exhaust heat. Energy sup...
Tamotsu INOUE, Hiroyuki IYOTA, Tomoki TANAKA, Nobuya NISHIMURA
Journal of the Japanese Society for Experimental Mechanics   8 31-36   Jun 2008   [Refereed]
Hiroyuki Iyota, Tamotsu Inoue, Junko Yamagata, Nobuya Nishimura
Drying Technology   26(2) 211-221   Feb 2008   [Refereed]
Nobuya NISHIMURA, Kuniaki HONDA, Ryuichiro KAWAKAMI, Toshimichi NISHIKAWA, Hiroyuki IYOTA, Tomohiro NOMURA
Japan Society of Refrigerating and Air Conditioning Engineers, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   24(1) 13-24   Mar 2007   [Refereed]
Micro-scale distributed power generation system, which means a micro-cogeneration system in almost cases, has been paid a great attention from a standpoint of saving fossil fuels' consumption and preventing global warming. Especially, polymer elec...
Nobuya NISHIMURA, Hiroyuki IYOTA, Jun MATSUO, Tomohiro NOMURA
Journal of Japan Solar Energy Society   33(1) 35-43   Jan 2007   [Refereed]
Naruaki SHINOMIYA, Nobuya NISHIMURA, Hiroyuki IYOTA, Tomohiro NOMURA
Japan Society of Refrigerating and Air Conditioning Engineers, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   24(4) 447-458   2007   [Refereed]
Split type air conditioners are operated actually in the situation unlike the condition that was described in a product catalog. On the other hand, exhaust heat from air conditioner is considered as one of the causes of heat island problem in urba...
Hiroyuki IYOTA , Yotaro KONISHI, Tamotsu INOUE, Kaori YOSHIDA, Nobuya NISHIMURA
The Society of Chemical Engineers, Japan, Chemical engineering   32(2) 167-172   Mar 2006   [Refereed]
Amaranth seeds have a high nutritional value, and predisposition for popping when heated under proper conditions, accompanied by evaporation of contained water. Popping can be an effective and beneficial method for food processing. In this study, ...
H. Iyota, Y. Konishi, T. Inoue, K. Yoshida, N. Nishimura, T. Nomura
Drying Technology   23(6) 1273-1287   2005   [Refereed]
Hironobu IMAKOMA, Daisuke KATSURA, Kazuhiro KAWAMURA, Hiroyuki IYOTA, Nobuya NISHIMURA
Drying Technology   23(6) 1289-1301   2005   [Refereed]
Yotaro KONISHI, Hiroyuki IYOTA, Kaori YOSHIDA, Junko MORITANI, Tamotsu INOUE, Nobuya NISHIMURA, Tomohiro NOMURA
Biosci. Biotechnol. Biochem.   68(10) 2186-2189   2004   [Refereed]
Hiroyuki IYOTA, Yotaro KONISHI, Tamotsu INOUE, Kaori YOSHIDA, Nobuya NISHIURA, Tomohiro NOMURA
Proc. of Asian Pacific Confederation of Chemical Engineering   859   2004   [Refereed]
HIROYUKI IYOTA, YOTARO KONISHI, KAORI YOSHIDA, NOBUYA NISHIMURA, TOMOHIRO NOMURA, MASAMICHI YOSHIDA
The Society of Chemical Engineers, Japan, Chemical engineering   29(1) 94-99   Jan 2003   [Refereed]
Drying by use of atmospheric superheated steam (SHS) as a drying medium has various characteristics: the materials to be dried are heated rapidly by steam condensation, they are sterilized and their oxidization at high temperature is reduced in co...
Effect of Initial Steam Condensation on Color Changes of Potatoes During Drying in Superheated Steam
H. Iyota, N. Nishimura, T. Nomura, Y. Konishi, K. Yoshida
Proc. of 13th Int. Drying Symposium   1352-1359   2002   [Refereed]
Masatoshi MATSUSHIMA, Tomohiro NOMURA, Nobuya NISHIMURA, Hiroyuki IYOTA, Koichi INABA
Japan Society of Refrigerating and Air Conditioning Engineers, Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   18(1) 39-50   Mar 2001   [Refereed]
This research was conducted in order to better identify the torque loss of a hermetic rotary compressor for one revolution, and to directly obtain the actual shaft power of the compressor. A testing compressor and a gas cycle type simplified calor...
H. Iyota, N.Nishimura, T.Onuma, T.Nomura
Drying Technology   19(7) 1411-1424   2001   [Refereed]
H. Iyota, N.Nishimura, M.Yoshida, T.Nomura
Drying Technology   19(7) 1425-1440   2001   [Refereed]
Starch Gelatinization of Sliced Raw Potatoes During Drying in Superheated Steam and Hot Air
Hiroyuki Iyota, Nobuya Nishimura, Yotaro Konishi, Tomohiro Nomura, Masando Toyama, Kaori Yoshida
Proc. of 2nd Asian-Oceania Drying conference   527-536   2001   [Refereed]
Nobuya NISHIMURA, Tomohiro NOMURA, Hiroyuki IYOTA , Norio UEDONO
Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers   17(3) 223-235   Oct 2000   [Refereed]
Absorption refrigerators available today are designed and commercialized on the basis of empirical technology. So the absorption phenomenon and heat transfer process in a conventional absorber of horizontal smooth tubes type have not been clarifie...
H. iyota, N. Nishimura, T. Nomura
Heat Transfer Asian Research   29(5) 385-399   2000   [Refereed]
Modeling of Superheated Steam Drying Including Changes from Condensation to Evaporation Occurring in Early Stage
H. iyota, N. Nishimura, T. Nomura
Proc.of 12th Int. Drying Symposium   338   2000   [Refereed]
A Reverse Process of Superheated Steam Drying from Condensation to Evaporation
H. iyota, N. Nishimura,T. Nomura
Heat Transfer Asian Research   28(5) 352-366   1999   [Refereed]
Kouji Ohta, Nobuya Nishimura, Tomohiro Nomura, Hiroyuki Iyota
The Visualization Society of Japan, Transactions of Visualization Society of Japan   18(1) 225-228   1998   [Refereed]
Local heat transfer characteristics of high temperature impinging two-dimensional air jets were investigated by using a novel multi-pulsed laser holographic interferometry. Thermal flow fields at nozzle-to-plate space were visualized real-time for...
Nobuya Nishimura, Tomohiro Nomura, Hiroyuki Iyota, Hideyuki Matsumoto
The Visualization Society of Japan, Transactions of Visualization Society of Japan   18(1) 29-32   1998   [Refereed]
Surface tension induced (Marangoni-Benard) convection occurs at a surface of lithium bromide (LiBr) aqueous solution with addition of a small amount of surfactant was observed in order to investigate a mechanism of absorption enhancement by surfac...
Transactions of the Japan Society of Mechanical Engineers   64(619) 821-828   1998   [Refereed]
N.Nishimura, T.Nomura, H. iyota, S.Kimoto
Solar Energy   64(4-6) 197-207   1998   [Refereed]
Development of Novel Water Facilities for Creation of Comfortable Urban Micrometeorology(Present Novel Water Facilities Based on Field Measurements and Wind Tunnel Tests)
23(2) 31-38   1997   [Refereed]
Transactions of the Japan Society of Mechanical Engineers   63(612) 2764-2770   1997   [Refereed]

Misc

 
Frontier of Measurement and Utilization of High Humidity over Boiling Point Temperature
Hiroyuki IYOTA
J.HTSJ   56(237) 17-23   Oct 2017   [Invited]
IYOTA Hiroyuki
The Japan Society of Mechanical Engineers, Journal of the Japan Society of Mechanical Engineers   111(1081) 956-957   Dec 2008   [Invited]
Study on Unsteady heat Transfer of Superheated Steam Under Low Pressure with Condensation and Its applications, Refrigeration
IYOTA Hiroyuki
74(860) 32-33   1999   [Invited]

Conference Activities & Talks

 
Simple Generator of Humidity Standard for High Temperature and High Dew-point Range
Satoshi Yutani, Hidenori Yoshioka, Hiroyuki Iyota, Hisashi Abe
7 Sep 2017   
Development of hygrometer for high-temperature moist air by temperature measurement of wet porous material - Accuracy improvement based on thermal analysis -
Shota kitamura, Munemitsu Nomura, Hiroyuki Iyota, Tetsuo Tsujioka, Naoki Uesugi
1 Sep 2017   
Sakai Hideki, Isomi Mai, Iyota Hiroyuki
JOURNAL OF THE COLOR SCIENCE ASSOCIATION OF JAPAN   Jun 2017   COLOR SCIENCE ASSOCIATION OF JAPAN
Isomi Mai, Sakai Hideki, Iyota Hiroyuki
JOURNAL OF THE COLOR SCIENCE ASSOCIATION OF JAPAN   Jun 2017   COLOR SCIENCE ASSOCIATION OF JAPAN
A Novel Production Method For Foundry Cores by Molding Polysaccharide-Coated Sand Using Superheated Steam and Air
H. Iyota, I. Ide, S. Nishida, T. Nishimura, K. Ogura,K. Motoyama
2nd Nordic Baltic Drying Conference (NBDC 2017)   Jun 2017   
Estimation of Humidity in Drying Chamber from Wet-Material Temperature for Improved Utilization of Superheated Steam
H. Iyota, T. Inoue, J. Yamagata
Proc. of 20th International Drying Symposium   7 Aug 2016   
Effect of Moisture Content on Bubble Formation in Heat Sealing for Plastic Container
T. Inoue, T. Shiono, H. Iyota
Proc. of 20th International Drying Symposium   7 Aug 2016   
Development of Psychrometer using porous ceramic probe for improved utilization of superheated steam
H. Iyota, K.Miura, H. Yoshioka, T. Tsujioka, M. Tanaka, N. Uesugi
Abstracts Book of Symposium on Temperature and Thermal Measurements in Industry and Science   Jun 2016   
Development of a wireless temperature/humidity sensor node that can be placed on ovens
T. Tsujioka, A. Morikawa, K. Kodama, T. Ozaki, H. Iyota
Abstracts Book of Symposium on Temperature and Thermal Measurements in Industry and Science   Jun 2016   
YOSHIOKA Hidenori, IYOTA Hiroyuki, MIURA Kohei, YUTANI Satoshi, ABE Hisashi
11 Mar 2016   The Japan Society of Mechanical Engineers
Nakamori Yuji, Iyota Hiroyuki, Sakai Hideki, Yoshioka Hidenori, Takayama Masahiro
Abstracts of the 46th Annual Meeting   Sep 2015   
Development of Measuring Device Using Porous Ceramic Based on Principle of Psychrometer
Kohei MIURA, Hiroyuki IYOTA, Taiki MATSUMOTO, Tetsuo TSUJIOKA, Akihiro MORIKAWA, Michiaki TANAKA, Naoki UESUGI
Proceedings of 24th IIR International Congresses of Refrigeration   Aug 2015   
Color Measurement of Meat in Cooking under LED Lightings with Different Spectral Distributions
Akari KAGIMOTO,Risa SHIOMI,Shino OKUDA,Mami MASUDA,Katsunori OKAJIMA,Hideki SAKAI, Hiroyuki IYOTA
Proc. of AIC2015   May 2015   
Color Monitoring Method under High Temperature during Oven Cooking
Yuji NAKAMORI, Hiroyuki IYOTA, Hideki SAKAI, Taiki MATSUMOTO, Shuhei NOMURA
Proc. of AIC2015   May 2015   
Development of a device that uses steam condensation heat to disinfect rice seeds
Takahiro Noda, Yasuyuki Hidaka, Hiroyuki Iyota, Toru Nakamura, Akihiko Ochi, Kazuhiko Sakai, Toshiyuki Morikawa, Tetsuo Yabu, Jun Isota, Shigeru Hoshino, Tsutomu Arie
Book of abstracts of the 11th Conference of the European Foundation for Plant Pathology   8 Sep 2014   
Development of food appearance monitoring system for oven cooking
Taiki MATSUMOTO, Shuhei NOMURA, Hiroyuki IYOTA, Hideki SAKAI
Proc. of the 2nd Asia Color Association Conference   Sep 2014   
Evaluation of shutter speed of digital cameras for color measurement
Hideki SAKAI, Hiroyuki IYOTA
Proc. of the 2nd Asia Color Association Conference   Sep 2014   
Ohishi Kyoko, Ishiwata Kimiko, Takasaki Sadako, Nakamura Keiko, Matsuda Yasuko, Iyota Hiroyuki, Sugiyama Kuniko, Shibukawa Shoko
Abstracts of the Annual Meeting of the Japan Society of Cookery Science   Aug 2014   The Japan Society of Cookery Science
Iyota Hiroyuki, Kayano Tomohiro, Matsumoto Taiki, Nomura Syuhei, Yamagata Junko, Sugiyama Kuniko
Abstracts of the Annual Meeting of the Japan Society of Cookery Science   Aug 2014   The Japan Society of Cookery Science
Thermal Evaluation of A Solar Assised Absorption Air-Conditioning System
Nobuya Nishimura, Tametoshi Matsubara, Yousuke Shirayanagi, Yuma Yamaga
Grand Renewable Energy 2014   27 Jul 2014   
MORIKAWA Akihiro, MIYAWAKI Nozomi, TSUJIOKA Tetsuo, MIURA Kohei, MATSUMOTO Taiki, IYOTA Hiroyuki, TANAKA Michiaki, KITAMURA Haruo
IEICE technical report. Communication systems   3 Jul 2014   The Institute of Electronics, Information and Communication Engineers
Recently, the superheated steam is widely used in the various fields, for example, drying, sterilization and cooking. In the use of superheated steam, humidity in the processing device is one of the important parameters affecting the product quali...
MOTOYAMA Ryosuke, IYOTA Hiroyuki, OGURA Satoshi, NISHIMURA Nobuya
18 Mar 2014   The Japan Society of Mechanical Engineers
MIYAWAKI Nozomi, MORIKAWA Akihiro, TSUJIOKA Tetsuo, MIURA Kohei, MATSUMOTO Taiki, IYOTA Hiroyuki, TANAKA Michiaki, KITAMURA Haruo
IEICE technical report. Signal processing   6 Mar 2014   The Institute of Electronics, Information and Communication Engineers
Recently, the superheated steam is widely used in the various fields, for example, drying, sterilization and cooking. In the use of superheated steam, humidity in the processing device is one of the important parameter affecting product quality. S...
MORIKAWA Akihiro, MIYAWAKI Nozomi, TSUJIOKA Tetsuo, MIURA Kohei, IYOTA Hiroyuki
IEICE technical report. Information theory   27 Jan 2014   The Institute of Electronics, Information and Communication Engineers
Recently, the use of superheated steam is expanding in the field of sterilization, drying, heating and cooking. In the use of superheated steam, humidity in the processing device is an important parameter affecting the product quality. And the nee...
Characterization of baked color of cookie, toast and chicken: a model of light-colored food
Shuhei Nomura, Hiroyuki Iyota, Hideki Sakai
Proc. of the 1st Asia Color Association Conference   Dec 2013   
Accuracy of color measurement by using digital cameras and the standard color chart
Hideki Sakai, Saya Yoshikawa, Hiroyuki Iyota
Proc. of the 1st Asia Color Association Conference   Dec 2013   
A Study on Water Retention Control for a Humidity Sensor at High Temperature
T. Tsujioka, H. Iyota, M. Ohmori, M. Tanaka, H. Kitamura
Abstracts Book of Symposium on Temperature and Thermal Measurements in Industry and Science   Oct 2013   
Wide-Range Psychrometric Chart for Improved Utilization of Superheated Steam and Humid Air
H. Iyota, T. Inoue, J. Yamagata, T. Tsujioka
Abstracts Book of Symposium on Temperature and Thermal Measurements in Industry and Science   Oct 2013   
Tsujioka Tetsuo, Miyawaki Nozomi, Morikawa Akihiro, Matsumoto Taiki, Iyota Hiroyuki, Tanaka Michiaki, Kitamura Haruo
Proceedings of the Society Conference of IEICE   3 Sep 2013   The Institute of Electronics, Information and Communication Engineers
Change in Food Color During Cooking with Steam Oven
Hiroyuki IYOTA, Hideki SAKAI , Yusuke MAMIYA
Proc. of International Colour Association   Jul 2013   
Sensory evaluation of preference of baked food color
Hideki SAKAI and Hiroyuki IYOTA
Proc. of International Colour Association   Jul 2013   
TSUJIOKA Tetsuo, Iyota HIROYUKI, OHMORI Masahito, YAMAGATA Junko, TANAKA Michiaki, KITAMURA Haruo
IEICE technical report. Communication systems   18 Apr 2013   The Institute of Electronics, Information and Communication Engineers
Nowadays, the temperature and humidity control of superheated steam have become important research area in food drier, pasteurization and food processing. The authors have studied on economic humidity sensor that it is available even at high tempe...
OHMORI Masahito, IYOTA Hiroyuki, TSUJIOKA Tetsuo, YAMAGATA Junko
16 Mar 2013   The Japan Society of Mechanical Engineers
IYOTA Hiroyuki, MATSUMOTO Taiki, NOMURA Syuhei, TSUJIOKA Tetsuo, TANAKA Michiaki, KITAMURA Haruo
16 Mar 2013   The Japan Society of Mechanical Engineers
OGURA Satoshi, NISHIMURA Toshinari, IHOTA Hiroyuki, NISHIDA Shinji, IDE Isamu
Procee[d]ings of Thermal Engineering Conference   16 Nov 2012   The Japan Society of Mechanical Engineers
A new molding method using high humidity hot air as heating media was developed. We constructed a laboratory-scale apparatus for concluding basic experimental studies. Packed beds of silica sand coated with/without phenol resins or sugars as an ad...
Development of High-Temperature Wide-Range Humidity Sensor by Wetted Material Temperature Measurement (Effects of Pore Size Distribution on Water Transfer in Porous Ceramics)
Thermal Engineering Conference,2012   Nov 2012   
EFFECTS OF POPPING ON AMARANTH SEED NUTRIENTS
Taro MURAKAMI, Aiko YUTANI, Hiroyuki IYOTA, Tetsuo YAMANO, Yotaro KONISHI
Proc. of The 6th International Conference of the European Amarant Association: Neglected and Under-utilized Species Research in 21st Century   21 Oct 2012   
MODELING AND HEAT TRANSFER ANALYSIS OF STEAM CONVECTION OVEN
The 33rd Japan Symposium on Thermophysical Properties   Oct 2012   
HEATING CHARACTERISTICS OF STEAM CONVECTION OVEN -EFFECTS OF TEMPERATURE, WIND VELOCITY AND STEAM CONCENTRATION IN THE CHAMBER -
The 33rd Japan Symposium on Thermophysical Properties   Oct 2012   
Volume of Liquid Droplet Dropping from a Curved Surface
Sep 2012   
Characteristic Analysis of Solar Energy Assisted Absorption Air-conditioning System
Sep 2012   
Annual Performance Evaluation of Room Air-conditioner - Effects of low cooling part load and Local climate
Sep 2012   
Development of Browning Scale of Baked Foods Based on Color Measurement
Hideki SAKAI, Hiroyuki IYOTA
Proc. of Interim Meeting of the International Colour Association (AIC 2012   Sep 2012   
Development of the paddy seed sterilization device using mixture of superheated steam and hot air
Takahiro NODA, Yasuyuki HIDAKA, Mio YOKOE, Hiroyuki Iyota, Akihiko Ochi, Toru Nakamura, Waichiro MATSUDA
IFT12 Book of Abstracts-Digital, ID:042-01, Las Vegas, USA (2012.6.25)   25 Jun 2012   
NISHIMURA Nobuya, NAKAMURA Atsushi, FUJIOKA Akira, IYOTA Hiroyuki
National Symposium on Power and Energy Systems   20 Jun 2012   The Japan Society of Mechanical Engineers
The authors have been investigating about thermal utilization of the biomass resources in the city from the viewpoint of prevention of global warming. In this report, we examined high efficiency of the waste generation theoretically among a waste ...
Effect of Time-Dependent Humidity Profiles on Change in Food Color during Heating with Steam Convection Oven [Invited]
Hiroyuki IYOTA, Yusuke MAMIYA, Tomohiro KAYANO, Junko YAMAGATA, Hideki SAKA, Kuniko SUGIYAMA
Proc. of the International Congress on Food Engineering and Technology (IFET2012)   Mar 2012   
In-situ Color Measurement and Photo-dome Photographing System for Food Quality Analysis
Hiroyuki IYOTA, Hideki SAKAI
Proc. of the International Congress on Food Engineering and Technology (IFET2012)   Mar 2012   
Optimization of operation of steam convection oven(effects of cooking operation on steam concentration)
The 32nd Japan Symposium on Thermophysical Properties   Nov 2011   
Technical development of paddy seed disinfection using superheated steam
The 32nd Japan Symposium on Thermophysical Properties   Nov 2011   
Effects of Porosity and Pore Size Distribution on Capollary Water Transfer in Porous Media
Tamotsu Inoue, Hiroyuki Iyota
Proc. of 7th Asia-Pacific Drying Conference, T1-2(6 pages),Tianjin, China   Sep 2011   
TANIKAWA Keita, NISHIMURA Nobuya, NAKAMURA Atsushi, IYOTA Hiroyuki
National Symposium on Power and Energy Systems   22 Jun 2011   The Japan Society of Mechanical Engineers
Digestion gas that is generated by anaerobic digestion of wet biomass such as raw sludge and garbage consist of 40% CH_4 and 60% CO_2. At first, molten carbonate fuel cell running on the digestion gas was proposed and a simple prediction model abo...
ITEYA Tomoki, NISHIMURA Nobuya, IYOTA Hiroyuki, MATSUBARA Tametoshi
Symposium on Environmental Engineering   Jun 2011   The Japan Society of Mechanical Engineers
Solar energy use air-conditioning system has been attracting great attention from the view point of global wanning problem. In this paper, the performance of a solar-assisted absorption chiller heater of 352 kilowatt refrigeration capacity has bee...
Defatting and dehydration of meat products during heating in steam convection oven
Junko YAMAGATA, Hiroyuki IYOTA, Kuniko SUGIYAMA, Nobuya NISHIMURA
Proc. of 5th International Symposium on Advanced Science and Technology in Experimental Mechanics   Nov 2010   
INOUE Tamotsu, IYOTA Hiroyuki, ISSHIKI Shogo
The proceedings of the JSME annual meeting   Sep 2010   The Japan Society of Mechanical Engineers
A simple method is required for measuring humidity in a wide range of conditions from room air to superheated steam for several hours. In this study, we applied the theory of a psychrometer to develop a humidity monitoring system by using cylindri...
TANIKAWA Keita, NISHIMURA Nobuya, IYOTA Hiroyuki
Symposium on Environmental Engineering   26 Jun 2010   The Japan Society of Mechanical Engineers
Micro scale gasifier of the biomass of waste origin, which are woody pellets, using the superheated steam as a heating medium has been developed and the feasibility of the generation pyrolysis gas as a fuel for micro cogeneration was verified. The...
Development of a Compact Absorption Refrigerator Assisted by Low Temperature Level Heat Sources
Nobuya NISHIMURA, Tatsuya FUKUDA, Hiroyuki IYOTA
Proc. of 5th Asian Conference on Refrigeration and Air-conditioning   Jun 2010   
KITAHARA Takashi, IYOTA Hiroyuki, INOUE Tamotsu, NISHIMURA Nobuya
The proceedings of the JSME annual meeting   2010   The Japan Society of Mechanical Engineers
We have developed a humidity sensor by applying the principle of the Assman psychrometer. Cylindrical porous ceramic material was used in this sensor for sensing humidity. Some water flowing in the center of the sensing element is supplied to the ...
The factor analysis of the heat island phenomena in Osaka city - The effects by environmental of typcial urban areas based on measurement
Masumoto, Fukunaga, Ohmori, Ohnishi, Iyota, Nishimura
Proc. of Int. Workshop on Physical Modelling of Flow and Dispersion Phenomena   2010   
Nobuya NISHIMURA, Shunse RYO, Tomohiro NOMURA, Hiroyuki IYOTA, Takashi FUJII, Kenji KANAZAWA
Proceedings of the International Conference on Power Engineering : ICOPE   16 Nov 2009   一般社団法人日本機械学会
Micro scale gasifier of biomass, which are refuse derived fuel and wood pellets, using the superheated steam has been developed and the feasibility of the generation pyrolysis gas as a fuel for micro co-generation was verified. The thermal crackin...
Sterlization of Paddy Seed Using Mixture of Superheated Steam and Hot Air
Hiroyuki IYOTA,Tamotsu INOUE,Takahiro NODA, Yasuyuki HIDAKA, Shogo ISSHIKI
Proc. of 6th Asia-Pacific Drying Conference, pp454-460,Bangkok, Thailand   Oct 2009   
ISSHIKI Shogo, IYOTA Hiroyuki, INOUE Tamotsu, YAMAGATA Junko
The proceedings of the JSME annual meeting   Sep 2009   The Japan Society of Mechanical Engineers
A method for measuring a steam mole fraction at the temperature of around 80 - 300℃ and the steam mole fraction of hot air to superheated steam as the objects of heating devices for cooking, and so on, was considered in this study. The temperature...
YAMAGATA Junko, IYOTA Hiroyuki, ISSHIKI Shogo, NISHIMURA Nobuya
The proceedings of the JSME annual meeting   Sep 2009   The Japan Society of Mechanical Engineers
A steam convection oven can heat a large amount of food using steam generated from a small boiler. To measure the changes in the humidity of the gas in heating chamber, we set a wet spherical gauze in the chamber during heating with and without st...
Reduction of Reflected Heat of the Sun by Retroreflective Materials
Hideki Sakai, Kazuo Emura, Norio Igawa, Hiroyuki Iyota
Second International Conference on Countermeasure to Urban Heat Islands (online publishing)   Sep 2009   
Method for Measuring Solar Reflectance of Retroreflective Materials Using Emitting-Receiving Optical Fiber
Hiroyuki Iyota, Hideki Sakai, Kazuo Emura, Norio Igawa, Hideya Shimada, Nobuya Nishimura
Second International Conference on Countermeasure to Urban Heat Islands (online publishing)   Sep 2009   
SAKAI Hideki, IYOTA Hiroyuki, EMURA Kazuo, IGAWA Norio
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. A-1, Materials and construction   Aug 2009   Architectural Institute of Japan
Drying Characteristics of Porous Material Containing Sucrose and NaCl Aqueous Solution in a Wide Range of Hot Humid Air
Hiroyuki IYOTA , Satoshi FUJITA, Naoya KINOSHITA, Masamichi YOSHIDA, Atsushi HASHIMOTO
Proc. of 3rd International Symposium on Advanced Fluid/Solid Science and Technology in Experimental Mechanics   Dec 2008   
Effect of Pore Size Distribution on Heat and Moisture Transfer in Porous Material for High Humidity Hot Air and Superheated Steam Drying
Tamotsu INOUE , Hiroyuki IYOTA , Nobuya NISHIMURA, Masamichi YOSHIDA
Proc. of 3rd International Symposium on Advanced Fluid/Solid Science and Technology in Experimental Mechanics   Dec 2008   
Prediction Method for Drying Time of Wet Porous Material in Humid Hot Air and Superheated Steam
T. Inoue, H. Iyota, N. Nishimura
Proc. of 16th Int. Drying Symposium   Nov 2008   
Effect of Gas Humidity on Drying Characteristics of Porous Materials Immersed in Fluidized Bed Under Reduced Pressure
Y. Tatemoto, R. Kimura, H. Iyota and J. Yamagata
Proc. of 16th Int. Drying Symposium   Nov 2008   
Effect of Steam Concentration in Drying Medium on Convective Drying of Porous Material Containing NaCl Aqueous Solution
H. Iyota, N. Kinoshita, T. Inoue, N. Nishimura, M. Yoshida
Proc. of 16th Int. Drying Symposium   Nov 2008   
IYOTA Hiroyuki
8 Oct 2008   
Drying Characteristics of Porous Materials in Fluidized Bed with Various Humidity under Reduced Pressure
Tatemoto, Y., R. Kimura, H. Iyota and J. Yamagata
Proc.of the 8th International Conference on Separation Science and Technology (ICSST08)   2 Oct 2008   
SAKAI Hideki, IYOTA Hiroyuki, EMURA Kazuo, IGAWA Norio
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. A-1, Materials and construction   Sep 2008   Architectural Institute of Japan
Investigation of the Hospital Catering Stuff's Awareness of Energy Management via Questionnaire
Junko Yamagata, Hiroyuki Iyota, Nobuya Nishimura, Tadashi Akao, Masayoshi Fujiwara
Proc. of 15th International Congress of Dietetics   Sep 2008   
INOUE Tamotsu, IYOTA Hiroyuki, NISHIMURA Nobuya
The proceedings of the JSME annual meeting   Aug 2008   The Japan Society of Mechanical Engineers
The effect of dry- and wet-bulb temperatures on the drying time of a wet spherical porous material in high-temperature gas flow was investigated. The changes in the mass and surface and core temperatures of the material during drying were measured...
RYO Shunse, NISHIMURA Nobuya, IYOTA Hiroyuki, NOMURA Tomohiro, INOUE Tamotu
Symposium on Environmental Engineering   9 Jul 2008   The Japan Society of Mechanical Engineers
Micro scale pelletized RDF (Refuse derived fuel) gasifier using the superheated steam as gasifying agent was developed and the feasibility of the syngas as fuel for micro co-generation was verified. The thermal cracking experiment of wood was cond...
INOUE Tamotu, NISHIMURA Nobuya, IYOTA Hiroyuki, NOMURA Tomohiro, RYO Shunse
Symposium on Environmental Engineering   9 Jul 2008   The Japan Society of Mechanical Engineers
Micro scale RDF gasifier in which the superheated steam is used as gasifying agent was developed and the feasibility of the syngas as fuel for micro co-generation was verified. The thermal cracking experiment of RDF was conducted with the temperat...
SHINOMIYA Naruaki, NISHIMURA Nobuya, IYOTA Hiroyuki
Symposium on Environmental Engineering   9 Jul 2008   The Japan Society of Mechanical Engineers
Sprit type air conditioners are on the increase for large building because of easy installed. Increase in sprit type air conditioners had air cooled heat exchangers, for example multi-type packaged unit system, causes increase in amount of sensibl...
TOKUDA Yuta, IYOTA Hiroyuki, SAKAI Hideki, NISHIMURA Nobuya
14 Mar 2008   The Japan Society of Mechanical Engineers
TANAKA Tomoki, IYOTA Hiroyuki, INOUE Tamotsu, NISHIMURA Nobuya
14 Mar 2008   The Japan Society of Mechanical Engineers
INOUE Tamotsu, IYOTA Hiroyuki, NISHIMURA Nobuya
14 Mar 2008   The Japan Society of Mechanical Engineers
ISSHIKI Shogo, IYOTA Hiroyuki, NISHIMURA Nobuya, KITA Takuji, KAWAMURA Kazuhiko
The proceedings of the JSME annual meeting   2008   The Japan Society of Mechanical Engineers
Generally, the conditions of convective heating in equipments used for food processing, such as a dryer or an oven, varies slightly. For instance, in automatic regulation, door opening/closing can cause such fluctuations. In this study, the effect...
TSUJINO Tomoya, INOUE Tamotsu, YAMAGATA Junko, IYOTA Hiroyuki, NISHIMURA Nobuya
The proceedings of the JSME annual meeting   2008   The Japan Society of Mechanical Engineers
The behavior of condensed water on the surface of a spherical porous material by direct contact condensation in the early stage of superheated steam/high humid hot air drying was investigated experimentally. A spherical brick was used as the sampl...
KINOSHITA Naoya, IYOTA Hiroyuki, NISHIMURA Nobuya, YOSHIDA Masamichi
Procee[d]ings of Thermal Engineering Conference   23 Nov 2007   The Japan Society of Mechanical Engineers
Convective drying of glass beads packed beds containing NaCl aqueous solution, under a wide range of gas temperature and humidity (room air to superheated steam), and the relationship between surface salt deposition, material temperature and moist...
Effects of Gas Humidity on Material Temperature and Moisture Content Changes of Wet Spherical Porous Material in Humid hot air and Superheated Steam
Tamotsu INOUE, Hiroyuki IYOTA, Tomoki TANAKA, Nobuya NISHIMURA
Proc. of 2nd International Symposium on Advanced Fluid/Solid Science and Technology in Experimental Mechanics   Sep 2007   
Optimization for Popping Treatment of Amaranth Seeds in a New Prototype Continuous Processing System
Tamotsu INOUE, Hiroyuki IYOTA, T.UEMURA, L.ZHANG, Yotaro KONISHI
Proc. of 5th Asia-Pacific Drying Conference   Aug 2007   
Air-conditioning Systems in Urban Areas with Respect to the Heat Island Problem
N.Shinomiya, N.Nishimura, T.Nomura, H.Iyota, K.Masumoto
Proc. of 22nd International Congress of Refrigeration   Aug 2007   
SHINOMIYA Naruaki, NISHIMURA Nobuya, IYOTA Hiroyuki, NOMURA Tomohiro, TSUYAMA Tatsuo
Symposium on Environmental Engineering   Jul 2007   The Japan Society of Mechanical Engineers
In recent years, urban areas have been experiencing a rise in the regional atmospheric temperature because of heat island phenomenon, which increases the summer heat. One of the causes of that is an exhaust heat from air-conditioners. In this pape...
IYOTA Hiroyuki, KINOSHITA Naoya, NISHIMURA Nobuya, YOSHIDA Masamichi
Procee[d]ings of Thermal Engineering Conference   23 Nov 2006   The Japan Society of Mechanical Engineers
The effects of wet-bulb temperature of drying media and material's pore diameter on drying characteristics and time were investigated experimentally. Glass bead (mean diameters of 110 and 400μm) packed beds which contained pure water or NaCl aqueo...
MIYATA Yoshiaki, IYOTA Hiroyuki, NISHIMURA Nobuya, YOSHIDA Masamichi
Procee[d]ings of Thermal Engineering Conference   23 Nov 2006   The Japan Society of Mechanical Engineers
Drying of porous material containing a low boiling point solvent in high humidity air was investigated. Glass beads (mean diameter 50μm) packed beds which contained ethanol or water were used as model material. Mass and surface temperature of the ...
Model and Energy Performance of Convective Batch Tray Dryer
D.Masuda, T.Takigawa, H.Imakoma, N.Ohmura, H.Iyot, N.Nishimura
Proc. of Int. Workshop on Process Intensification in Fluid and Particle Engineering   Oct 2006   
Temperatur Change Method for Measurement of Drying Rate
D.Kan, T.Takigawa, H.Imakoma, N.Ohmura, H.Iyota, N.Nishimura
Proc. of Int. Workshop on Process Intensification in Fluid and Particle Engineering   Oct 2006   
OHYA Akira, KAWABATA Takashi, MIYAGAWA Toshiaki, IYOTA Hiroyuki
The proceedings of the JSME annual meeting   Sep 2006   The Japan Society of Mechanical Engineers
The greatly changes of the human circulation dynamics induced by heat, cold, exercise and mental stress or postural change, etc. as environmental factors were known well. To determine the human adaptability by cardiovascular system measurement usi...
Effect of steam partial pressure on drying of wetted starch ball in humid hot air and superheated steam
H. Iyota, T. Inoue, N. Nishimura, T. Nomura
Proc. of 15th Int. Drying Symposium   Aug 2006   
Increase in mechanical strength of mould by combined convective and microwave drying in casting process
E. Yamaguchi, K. Kawamura, H. Imakoma, K. Tsubota, T. Takigawa, H. Iyota, N.Nishimura
Proc. of 15th Int. Drying Symposium   Aug 2006   

Research Grants & Projects

 
Development of a directional high-reflective material for reducing the heat island effect
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2007 - Mar 2010
Application of the optical-sensor for human circulation and nervous system related to environmental and exercise adaptabilities
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2004 - Mar 2007
Modeling of Marangoni Convection Induced at Lithium Bromide Aqueous Solution's Surface and its Application to Improve Absorbers Performance
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2001 - Mar 2003

Education

 
Apr 1992
 - 
Mar 1994
Graduate School, Division of Engineering, Osaka City University