EGAMI Yasuhiro

J-GLOBAL         Last updated: Nov 11, 2019 at 15:45
 
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Name
EGAMI Yasuhiro
Affiliation
Nagoya University
Section
Graduate School of Engineering
Job title
COE Designated Associate Professor
Degree
Ph.D.(Tohoku University)

Research Areas

 
 

Academic & Professional Experience

 
2013
 - 
Today
Professor, The faculty of engineering, Department of Mechanical Engineering, Aichi Institute of Technology
 
2010
 - 
2013
Associate Professor, The faculty of engineering, Department of Mechanical Engineering, 愛知工業大学
 
2009
 - 
2010
COE Associate Professor, Graduate School of Micro Nano System Engineering, Nagoya University
 
2003
 - 
2009
Researcher, AS-EV, (Goettingen, Germany), German Aerospace Center(DLR)
 
2003
 - 
2009
Researcher, Institute of Aerodynamics and Flow Technology, German Aerospace Center (DLR)
 
2000
 - 
2003
National Aerospace Laboratory of Japan (Tokyo, Japan)
 
1999
 - 
2000
National Aerospace Laboratory of Japan
 
1998
 - 
1999
Guest Researcher, Institute of Fluid Mechanics, University of Karlsruhe (TH)
 
1997
 - 
1999
Research Associate, Institute of Fluid Science, Tohoku University
 

Education

 
1994
 - 
1997
Department of Mechanical Engineering II, Graduate school of Engineering, Tohoku University
 

Awards & Honors

 
2012
JSME Award (Paper)
 
2003
ICIASF Best Paper Award
 
2002
AIAA Outstanding Paper Award
 

Published Papers

 
Taro Handa, Keiichiro Kitahara, Yu Matsuda, Yasuhiro Egami
Microfluidics and Nanofluidics   23(7)    Jul 2019   [Refereed]
Y. Egami, Y. Sato, and S. Konishi
AIAA Journal   57(5) 2198-2203   May 2019   [Refereed]
Y. Egami, S. Konishi, Y. Sato, Y. Matsuda
Sensors and Actuators A: Physical   286 188-194   Feb 2019   [Refereed]
Bing Han, Yu Matsuda, Yasuhiro Egami, Taro Handa
Microfluidics and Nanofluidics   22    Nov 2018
© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. In continuum regime, the large surface-to-volume ratio in microscale flow indicates stronger influence of boundary layer on internal flow, which is confirmed by the present study throu...
Sugioka Y, Arakida K, Kasai M, Nonomura T, Asai K, Egami Y, Nakakita K
Sensors (Basel, Switzerland)   18(11)    Nov 2018   [Refereed]
Y. Egami, Y. Sato, S. Konihsi
AIAA Aerospace Sciences Meeting, 2018      Jan 2018   [Refereed]
© 2018, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved. In this study, a “sprayable” fast-responding pressure-sensitive paint (PSP) has been systematically investigated to achieve the same time response as anodiz...
江上泰広, HENNE Ulrich, KLEIN Christian
日本航空宇宙学会誌   66(10) 314‐320(J‐STAGE)   2018
Yu Matsuda, Tomohiro Kameya, Yuichi Suzuki, Yuki Yoshida, Yasuhiro Egami, Hiroki Yamaguchi, Hiroki Yamaguchi, Tomohide Niimi, Tomohide Niimi
Sensors and Actuators, B: Chemical   250 563-568   Jan 2017
© 2017 Elsevier B.V. We have proposed an instant method for painting of pressure- and temperature-sensitive paints (PSP and TSP) using a commercial inkjet printer. This method enables us to finely and separately paint PSP and TSP to prevent them f...
Taro Handa, Yu Matsuda, Yasuhiro Egami
Microfluidics and Nanofluidics   20    Dec 2016
© 2016, Springer-Verlag Berlin Heidelberg. In the present study, the characteristics of supersonic flows in micronozzles are experimentally and computationally investigated for Reynolds numbers ranging from 618 to 5560. In the experiments, the flo...
Matsuda Y, Uchida K, Egami Y, Yamaguchi H, Niimi T
Sensors (Basel, Switzerland)   16(4)    Apr 2016   [Refereed]
Yasuhiro Egami, Yu Matsuda, Hiroki Yamaguchi, Tomohide Niimi
Sensors and Actuators, B: Chemical   195 677-681   May 2014
This study is aimed to investigate the effect of different structures of acrylic polymers on the properties of temperature-sensitive paint (TSP). TSP is composed of a temperature-sensitive luminophore and a polymer binder to fix the luminophore on...
Tomohiro Kameya, Yu Matsuda, Yasuhiro Egami, Hiroki Yamaguchi, Tomohide Niimi
Sensors and Actuators, B: Chemical   190 70-77   Jan 2014
A novel dual luminescent sensor, which consists of discrete dot arrays of pressure- and temperature-sensitive paints (PSP and TSP), has been developed for a precise pressure measurement on a solid surface. The sensor arrays were well-ordered by in...
Matsuda Y, Yorita D, Egami Y, Kameya T, Kakihara N, Yamaguchi H, Asai K, Niimi T
The Review of scientific instruments   84(10) 105110   Oct 2013   [Refereed]
Y. Egami, Y. Egami, K. Fujii, K. Fujii, T. Takagi, T. Takagi, Y. Matsuda, Y. Matsuda, H. Yamaguchi, H. Yamaguchi, T. Niimi, T. Niimi
AIAA Journal   51 1779-1782   Jul 2013
The article discusses the effect of model materials, thickness, and coatings on the temperature variation and the accuracy of pressure sensitive paint (PSP) measurements. Moreover, a novel high thermal-conductive PSP is proposed to reduce temperat...
Hiroki Yamaguchi, Tsuneo Hanawa, Oto Yamamoto, Yu Matsuda, Yasuhiro Egami, Tomohide Niimi
Microfluidics and Nanofluidics   14 903   May 2013
Matsuda Y, Ueno K, Yamaguchi H, Egami Y, Niimi T
Sensors (Basel, Switzerland)   12(10) 13899-13906   Oct 2012   [Refereed]
Tomohiro Kameya, Yu Matsuda, Hiroki Yamaguchi, Yasuhiro Egami, Tomohide Niimi
Optics and Lasers in Engineering   50 82-86   Jan 2012
There is much demand for improvement in the performance of a hard disk drive (HDD) along with recent rapid developments of information technology. While high-speed disk rotation of a HDD is necessary to accommodate such needs, it causes disk flutt...
Y. Egami, U. Fey, C. Klein, J. Quest, V. Ondrus, U. Beifuss
Measurement Science and Technology   23    Jan 2012
Two-component temperature-sensitive paint (TSP) for cryogenic wind tunnels has been newly developed to extend the highest working temperature up to 320K, whereas a conventional single-component cryoTSP operates in the temperature range from 100 to...
Yu Matsuda, Fumihiro Nagashima, Hiroki Yamaguchi, Yasuhiro Egami, Tomohide Niimi
Sensors and Actuators, B: Chemical   160 1464-1467   Dec 2011
Abstract: We have proposed a novel utilization of pressure-sensitive paint (PSP) as a luminescent dissolved oxygen (DO) sensor film, which consists of an oxygen sensing dye and polymer matrix, for time resolved DO distribution measurements. The DO...
C. Klein, W. E. Sachs, U. Henne, Y. Egami, H. Mai, V. Ondrus, U. Beifuss
Notes on Numerical Fluid Mechanics and Multidisciplinary Design   112 323-330   Oct 2010
Visualization and measurements of aerodynamic effects on a 2D-wing-profile model were conducted using an optical pressure measurement system based on the pressure-sensitive paint (PSP) technique. The PSP technique can be used to obtain absolute pr...
EGAMI Yasuhiro, IIJIMA Yoshimi, ASAI Keisuke
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B   76(762) 254-258   2010
The causes of disagreement between a priori and in situ results of Pressure-Sensitive Paint (PSP) measurements in cryogenic wind tunnels have been investigated. Systematic experiments were conducted in the JAXA 0.1-m cryogenic wind tunnel to clari...
KAMEYA Tomohiro, MATSUDA Yu, YAMAGUCHI Hiroki, EGAMI Yasuhiro, NIIMI Tomohide
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C   76(771) 3002-3007   2010
A pressure-sensitive paint (PSP) measurement technique is a non-contact optical method based on the oxygen quenching of its luminescence. By using PSP, we measured the pressure distribution on the disk in a hard disk drive, which is difficult to m...
EGAMI Yasuhiro, IIJIMA Yoshimi, ASAI Keisuke
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B   76(762) 259-265   2010
A boundary layer transition on a 10-degree cone model in a supersonic flow was visualized by means of a temperature-sensitive paint (TSP). A transition front can be detected as the edge of brightness measuring the temperature difference between la...
Using cryoTSP as a tool for transition detection and instability examination at high Reynolds numbers
New Results in Numerical and Experimental Fluid Mechanics VI,   96 227-234   2008
U. Fey, Y. Egami, C. Klein
Notes on Numerical Fluid Mechanics and Multidisciplinary Design   96 227-234   Nov 2007
The method of temperature-sensitive paint (TSP) adapted to cryogenic wind tunnels, i.e. cryoTSP is used to detect the natural laminar-turbulent transition of boundary layers in high speed flows. Besides pure transition detection, cryoTSP images pr...
J. Kompenhans, J. Kompenhans, J. Agocs, J. Agocs, Y. Egami, Y. Egami, R. Engler, U. Fey, H. Frahnert, K. De Groot, U. Henne, T. Kirmse, C. Klein, F. Klinge, R. Konrath, L. Koop, H. Mattner, D. Otter, D. Pallek, W. Sachs, A. Schröder, B. Stasicki
Chinese Journal of Aeronautics   19(2) 115-125   Jan 2006
The experimental investigation of unsteady complex flow fields in wind tunnels requires advanced measurement techniques. The most important of such image based measurement techniques are those for the measurement of planar flow velocity fields, pl...
Tomohide Niimi, Tomohide Niimi, Masaki Yoshida, Masaki Yoshida, Makoto Kondo, Makoto Kondo, Yusuke Oshima, Yusuke Oshima, Hideo Mori, Hideo Mori, Yasuhiro Egami, Yasuhiro Egami, Keisuke Asai, Keisuke Asai, Hiroyuki Nishide, Hiroyuki Nishide
Journal of Thermophysics and Heat Transfer   19(1) 9-16   Jan 2005
The pressure-sensitive paint (PSP) technique has potential as a powerful diagnostic tool for measurements in the high Knudsen number regime because it is based on luminescence of molecules. Three types of PSP [two composed of organic dye and polym...
KAMEDA Masaharu, EGAMI Yasuhiro, ASAI Keisuke
冷凍   77(901) 991-996   Nov 2002
Tomohide Niimi, Masaki Yoshida, Makoto Kondo, Yusuke Oshima, Hideo Mori, Yasuhiro Egami, Keisuke Asai, Hiroyuki Nishide
Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B   68(676) 3360-3368   Jan 2002
Recently pressure sensitive paint (PSP) has actively developed to measure continuous distribution of the surface pressure. However, the pressure range has been limited above l Torr (133.3 Pa) and there is no application to lower pressure range bec...
EGAMI Yasuhiro, IIJIMA Yoshimi, ASAI Keisuke, SAKAUE Hirotaka, SULLIVAN John P., BEIFUSS Uwe, ENGLER Rolf H.
Journal of the Visualization Society of Japan   21 325-328   Jul 2001
EGAMI Yasuhiro, KOHAMA Yasuaki
Transactions of the Japan Society of Mechanical Engineers. Series B.   64(618) 327-333   Feb 1998
Full turbulent transition is created in three-dimensional (3D) boundary layer on a swept back flat plate with a displacement body system in a wind tunnel. In the case of general crossflow dominant 3D boundary layer transitions, it is known that af...
EGAMI Yasuhiro, KOHAMA Yasuaki
Transactions of the Japan Society of Mechanical Engineers. Series B.   63(613) 2963-2969   Sep 1997
A full turbulent transition process is created on a yawed flat plate using a displacement body system in a wind tunnel. It was found that high frequency secondary instability drives the crossflow dominant boundary layer into a full turbulent state...
EGAMI Yasuhiro, KOHAMA Yasuaki
年会一般講演   16 155-156   Jul 1997
EGAMI Yasuhiro, KOHAMA Yasuaki, ONODERA Tatsuya
Transactions of the Japan Society of Mechanical Engineers. Series B.   63(607) 849-856   Mar 1997
Full turbulent transition is induced on a yawed flat plate with a displacement body system in a wind tunnel. First, the transition process is measured in detail using hot-wire anemometry and the smoke visualization technique. Second, control of tu...

Misc

 
江上泰広, 大月湧暉, 角谷勇輔, 丹羽圭祐, 松田佑
飛行機シンポジウム講演集(CD-ROM)   56th ROMBUNNO.1D08   2018
山崎遊野, 山口翔梧, 江上泰広
流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム講演集(CD-ROM)   50th-36th ROMBUNNO.2D04   2018
江上泰広, 小倉弘也, 飯田浩二
可視化情報学会誌   37(Suppl.1(CD-ROM)) ROMBUNNO.F109   Jul 2017
江上泰広
塗装工学   52(6) 187‐193   Jun 2017   [Refereed][Invited]
江上 泰広, Henne Ulrich, Klein Christian
年会講演会講演集   48    Apr 2017
大月湧暉, 水野雄貴, 渡邊峻之, 江上泰広
日本機械学会東海支部総会講演会講演論文集(CD-ROM)   66th ROMBUNNO.314   Mar 2017
小倉弘也, 飯田浩二, 江上泰広
日本機械学会東海支部総会講演会講演論文集(CD-ROM)   66th ROMBUNNO.403   Mar 2017
夏堀亜衣, 福住拓也, 佐藤優大, 江上泰広
日本機械学会東海支部総会講演会講演論文集(CD-ROM)   66th ROMBUNNO.316   Mar 2017
谷川和克, 山崎壮登, 飯田浩二, 小倉弘也, 江上泰広
日本機械学会東海支部総会講演会講演論文集(CD-ROM)   66th ROMBUNNO.315   Mar 2017
半田太郎, 松田佑, 江上泰広
衝撃波シンポジウム講演論文集(CD-ROM)   2016 ROMBUNNO.1B2‐2   2017
江上泰広, 佐藤優大, 清水祐弥, 山下耕平
可視化情報学会誌   36(Suppl.1(CD-ROM)) ROMBUNNO.A203   Jul 2016
岡尭志, 半田太郎, 松田佑, 江上泰広, 赤木富士雄, 山口住夫, 山邉光一郎, 益田悠平
可視化情報学会誌   36(Suppl.1(CD-ROM)) ROMBUNNO.A209   Jul 2016
加藤優太, 小倉弘也, 吉村淳, 武田亘平, 江上泰広
可視化情報学会誌   36(Suppl.1(CD-ROM)) ROMBUNNO.A202   Jul 2016
松田佑, 内田健太, 江上泰広, 山口浩樹, 新美智秀
可視化情報学会誌   36(Suppl.1(CD-ROM)) ROMBUNNO.A206   Jul 2016
江上泰広, 浅井圭介, 三ツ石方也, 中北和之, 天尾豊, 坂村芳孝, 松田佑
豊田研究報告   (69) 183‐188   May 2016
小西翔太, 江上泰広
宇宙航空研究開発機構特別資料 JAXA-SP-   (15-020(CD-ROM)) ROMBUNNO.P03   Mar 2016
吉田裕貴, 松田佑, 亀谷知宏, 江上泰広, 山口浩樹, 新美智秀
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   94th ROMBUNNO.1304   2016
加藤優太, 江上泰広
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   94th ROMBUNNO.1301   2016
岡尭志, 半田太郎, 松田佑, 江上泰広, 赤木富士雄, 山口住夫, 山邉光一郎, 益田悠平
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   94th ROMBUNNO.1302   2016
佐藤優大, 小西翔太, 山本真也, 江上泰広
可視化情報学会誌   35(Suppl.1) 157‐160   Jul 2015
江上泰広, 浅井圭介, 三ツ石方也, 中北和之, 天尾豊, 坂村芳孝, 松田佑
豊田研究報告   (68) 183-188   May 2015
江上泰広
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   93rd ROMBUNNO.1031   2015
鈴木佑一, 松田佑, 江上泰広, 山口浩樹, 新美智秀
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   93rd ROMBUNNO.1012   2015
江上泰広, 佐藤優大, 小西将太, 山本真也, 松田佑
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   93rd ROMBUNNO.1013   2015
加藤 優太, 安田 裕貴, 江上 泰広
可視化情報学会誌 = ournal of the Visualization Society of Japan   35(1) 141-144   2015
松田佑, 柿原典央, 依田大輔, 江上泰広, 山口浩樹, 浅井圭介, 新美智秀
可視化情報学会誌   34(Suppl.1) 217‐218   Jul 2014
古川聖, 永井優大, 永井智規, 江上泰広
可視化情報学会誌   34(Suppl.1) 209‐212   Jul 2014
杉村幸寿, 松田祐, 山口浩樹, 新美智秀, 江上泰広
可視化情報学会誌   34(Suppl.1) 213‐216   Jul 2014
亀谷知宏, 松田佑, 江上泰広, 山口浩樹, 新美智秀
可視化情報学会誌   34(132) 28-34,1(4)   Jan 2014
Yu Matsuda, Kaori Ueno, Hiroki Yamaguchi, Yasuhiro Egami, Tomohide Niimi
ASME 2013 11th International Conference on Nanochannels, Microchannels and Minichannels, ICNMM 2013      Dec 2013
Pressure-sensitive paints (PSP) and pressure-sensitive molecular film (PSMF) are drawing much attention, since the techniques enable us to measure pressure/oxygen concentration distribution with high spatial resolution. A measurement system of PSP...
上山淳一, 古川聖, 亀谷知宏, 松田佑, 山口浩樹, 新美智秀, 江上泰広
日本機械学会論文集(Web)   80(811) FE0040 (WEB ONLY)   2014
Osamu Kawamami, Yu Matsuda, Yasuhiro Egami, Itsuro Honda, Hiroki Yamaguchi, Tomohide Niimi
Proceedings of the 15th International Heat Transfer Conference, IHTC 2014      Jan 2014
Boiling and Two-phase flow in microgap channel has been recently proposed for cooling the heat sources directly in application of thermal management for electronic devices. Many researches were carried out to investigate the mechanism of heat tran...
Y. Egami, J. Ueyama, S. Furukawa, T. Kameya, Y. Matsuda, H. Yamaguchi, T. Niimi
Measurement Science and Technology   26    Jun 2015
© 2015 IOP Publishing Ltd. A novel fast response bi-luminophore pressure-sensitive paint (PSP) by inkjet printing of sensor-dot arrays on an anodized aluminum (AA) substrate has been developed for unsteady flow measurements. A bi-luminophore AA-PS...
江上 泰広, 染矢 聡, 松田 佑, 満尾 和徳, 沼田 大樹
可視化情報学会誌 = Journal of the Visualization Society of Japan   37(147) 165-170,図巻頭1p   Oct 2017
江上泰広, 染矢聡, 松田佑, 満尾和徳, 沼田大樹
可視化情報学会誌   37(147) 165‐170,155(1)   Oct 2017
北川一敬, 富田茂, 江上泰広
愛知工業大学総合技術研究所研究報告   (15) 61-65   Sep 2013
江上泰広, 杉村幸寿, 小切間貞之
可視化情報学会誌   33(Suppl.1) 479‐482   Jul 2013
亀谷知宏, 松田佑, 江上泰広, 山口浩樹, 新美智秀
可視化情報学会誌   33(Suppl.1) 485‐486   Jul 2013
上山淳一, 古川聖, 神澤優一, 亀谷知宏, 松田佑, 山口浩樹, 新美智秀, 江上泰広
日本機械学会流体工学部門講演会講演論文集(CD-ROM)   91st ROMBUNNO.G0102   2013
Y. Egami, K. Fujii, T. Takagi, Y. Matsuda, H. Yamaguchi, T. Niimi
28th AIAA Aerodynamic Measurement Technology, Ground Testing, and Flight Testing Conference 2012      Dec 2012
Pressure-Sensitive Paint (PSP) generally changes its luminescence intensity not only with pressure but also with temperature. The effect of temperature variations on a model surface decreases the measurement accuracy of PSP. Therefore, it is impor...
江上 泰広, 杉村 幸寿, 小切間 貞之
可視化情報学会誌 = ournal of the Visualization Society of Japan   33(1) 479-482   2013
UEYAMA Junichi
The Proceedings of the Fluids engineering conference   2013(0) _G0102-01_-_G0102-02_   2013
A fast response pressure-sensitive dot array sensor has been developed by means of an inkjet printing technique on an anodized aluminum substrate, which has been used for unsteady flow measurements. However, PtTFPP based dot array sensor has sever...
FURUKAWA Sei
The Proceedings of the Fluids engineering conference   2013(0) _G0101-01_-_G0101-02_   2013
By means of an inkjet printing device, a pressure-sensitive dot array sensor has been developed for unsteady pressure measurements. A conventional bi-luminophore anodized aluminum Pressure-Sensitive Paint (AA-PSP) prepared by a dipping method does...
Tomohiro Kameya,Array,Yasuhiro Egami,Hiroki Yamaguchi,Tomohide Niimi
International Symposium on Micro-NanoMechatronics and Human Science, MHS 2012, Nagoya, Aichi, Japan, November 4-7, 2012   473-475   2012   [Refereed]
Yu Matsuda, Hiroki Yamaguchi, Yasuhiro Egami, Tomohide Niimi
Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B   77 1189-1200   Dec 2011
Pressure-sensitive paint (PSP) is a useful measurement technique to obtain the pressure distribution on a surface, and has been applied to many measurements in wind tunnel testing. The measurement error of PSP has not been discussed in most report...
KAMEYA Tomohiro, MATSUDA Yu, EGAMI Yasuhiro, YAMAGUCHI Hiroki, NIIMI Tomohide
The Proceedings of Mechanical Engineering Congress, Japan   2012(0) _J053011-1-_J053011-4   2012
In pressure-sensitive paint (PSP) measurements, pressure is deduced from the luminescence intensity of PSP. Since the intensity depends not only on pressure but also on temperature, a PSP result has to be compensated by the temperature of a surfac...
Hiroki Yamaguchi, Tsuneo Hanawa, Oto Yamamoto, Yu Matsuda, Yasuhiro Egami, Tomohide Niimi
Microfluidics and Nanofluidics   11 57-64   Jul 2011
The tangential momentum accommodation coefficient (TMAC) was investigated experimentally fromthe mass flow rate through a single microtube under the slip flow and the early part of the transition regime. The measurements were carried out by the co...
江上 泰広, 藤井 昴樹, 高木 俊希
可視化情報学会誌 = ournal of the Visualization Society of Japan   32(1) 273-276   2012
亀谷 知宏, 松田 佑, 江上 泰広
可視化情報学会誌 = ournal of the Visualization Society of Japan   32(1) 277-280   2012
江上 泰広, 辰己 雄介, 外山 高由
可視化情報学会誌   31(1) 261-264   2011
Yu Matsuda, Hiroki Yamaguchi, Yasuhiro Egami, Tomohide Niimi
ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, ICNMM 2011   1 397-400   Dec 2011
Pressure-sensitive paint (PSP) is an optical measurement technique based on the photo-chemical reaction between oxygen and luminescent molecules, and has potential as a diagnostic tool for pressure measurement in the high Knudsen number regime. Ho...
KAMEYA Tomohiro, MATSUDA Yu, LI Huaxia, YAMAGUCHI Hiroki, EGAMI Yasuhiro, NIIMI Tomohide
The Proceedings of Mechanical Engineering Congress, Japan   2011(0) _J054023-1-_J054023-3   2011
Pressure-Sensitive Paint (PSP) is a pressure sensor based on the oxygen quenching of the luminescence of luminophore. In general, the luminescent intensity of PSP depends not only on pressure but also on temperature. Therefore, it is necessary to ...
U. Fey, R. Konrath, T. Kirmse, T. Ahlefeldt, J. Kompenhans, Y. Egami
48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition      Dec 2010
The present paper addresses the development, qualification trials and application of some non-intrusive measurement techniques suitable for operation in industry-scale, pressurised cryogenic wind tunnels. The application of cryogenic Temperature-S...
Jean Perraud, Jean Pierre Archambaud, Geza Schrauf, Raffaele Donelli, A. Hanifi, J. Quest, T. Streit, S. Hein, S. Hein, U. Fey, U. Fey, Y. Egami, Y. Egami
48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition      Dec 2010
With the goal of studying Natural Laminar Flow (NLF) wings for future 'green' transport aircraft, the aim of the European Research Project TELFONA is to develop and demonstrate the possibility of testing full aircraft models with NLF wings at larg...
J. Perraud, J. P. Archambaud, G. Schrauf, R. S. Donelli, A. Hanifi, J. Quest, S. Hein, T. Streit, U. Fey, Y. Egami
IUTAM Bookseries   18 553-556   Dec 2010
A wind-tunnel experiment on laminar-turbulent transition has been performed in ETW (the European Transonic Wind Tunnel in Koln) at high Reynolds number and cryogenic conditions. The studied geometry is a sting mounted full model in swept-wing conf...
Tomohiro Kameya, Yu Matsuda, Hiroki Yamaguchi, Yasuhiro Egami, Tomohide Niimi
American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM   2 211-215   Dec 2010
There appears fluttering phenomena in a hard disk drive system with high-speed disks rotating inside a closed space, leading to degrade of reading and writing performance. The precise pressure distribution on the disk may improve the performance, ...
Hiroki Yamaguchi, Tsuneo Hanawa, Oto Yamamoto, Yu Matsuda, Yasuhiro Egami, Tomohide Niimi
ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels Collocated with 3rd Joint US-European Fluids Engineering Summer Meeting, ICNMM2010   527-529   Dec 2010
Along with the progress in micro- and nano-technologies, such as Micro Electro Mechanical Systems (MEMS) and μ-TAS (Micro-Total Analysis Systems), the Knudsen number, which is a non dimensional parameter for rarefaction, of the flow around and ins...
江上 泰広, 高 斯, 松田 佑
Journal of the Visualization Society of Japan   30(0) 165-168   2010
KAMEYA Tomohiro, MATSUDA Yu, YAMAGUCHI Hiroki, EGAMI Yasuhiro, NIIMI Tomohide
The proceedings of the JSME annual meeting   2010(0) 123-124   2010
The PSP technique is a nonintrusive pressure measurement method based on the oxygen quenching of the luminescence of luminophore. Since the PSP measurement is generally affected by temperature changes, it is difficult to precisely measure the pres...
YAMAMOTO Oto, YAMAGUCHI Hiroki, HANAWA Tsuneo, MATSUDA Yu, EGAMI Yasuhiro, NIIMI Tomohide
The proceedings of the JSME annual meeting   2010(0) 99-100   2010
Along with the developments of the Micro Electro Mechanical Systems (MEMS), the Knudsen number, which is the non-dimensional parameter for rarefaction, of the flow inside such systems becomes large. In these high Knudsen number flows, a gas-surfac...
KANAZAWA Kazuaki, YAMAGUCHI Hiroki, AOKI Yuta, MATSUDA Yu, EGAMI Yasuhiro, NIIMI Tomohide
The proceedings of the JSME annual meeting   2010(0) 105-106   2010
The micro flows such as flow around MEMS (Micro Electro Mechanical System), are so-called the high-Knudsen number flow. In these flows, the gas-surface interaction becomes important. The energy accommodation coefficient, which is an empirical para...
MISAKI Ryota, MATSUDA Yu, SUZUKI Suguru, YAMAGUCHI Hiroki, EGAMI Yasuhiro, NIIMI Tomohide
The proceedings of the JSME annual meeting   2010(0) 107-108   2010
To analyze micro-scale flows, we need a measurement technique of the molecular level. The pressure-sensitive paint (PSP) technique employs the interactions between luminophores and oxygen molecules; hence it is suitable for pressure measurement in...
NAGASHIMA Fumihiro, MATSUDA Yu, YAMAGUCHI Hiroki, EGAMI Yasuhiro, NIIMI Tomohide
The Proceedings of the Fluids engineering conference   2010(0) 439-440   2010
It is important to understand the behavior of oxygen concentration distribution inside micro-channels for the improvement of micro devices or fuel cells. Most of oxygen sensors such as galvanic or polaro-graphic type cannot be used for unsteady me...
MORIYAMA Tatsuya, YAMAGUCHI Hiroki, IDE Kyohei, MATSUDA Yu, Egami Yasuhiro, NIIMI Tomohide
The Proceedings of the Fluids engineering conference   2010(0) 455-456   2010
In order to analyze high Knudsen number flows, it is important to understand the interactions of gas molecules and solid surfaces. Molecular beams have been used to study these interactions. Properties such as the translational energy and momentum...
KAMEYA Tomohiro, MATSUDA Yu, YAMAGUCHI Hiroki, EGAMI Yasuhiro, NIIMI Tomohide
The Proceedings of the Fluids engineering conference   2009(0) 315-316   2009
For a hard disk drive, high-speed rotation is required to achieve fast access to data on a disk. However, the high-speed rotation induces pressure fluctuation on the disk and results in disk fluttering. Therefore, it is important to investigate th...
Y. Egami, Chr Klein, U. Henne, M. Bruse, V. Ondrus, U. Beifuss
47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition      Dec 2009
A Temperature-Sensitive Paint (TSP) with higher temperature sensitivity for the capturing of better quality of images and increased luminescent intensity for shorter measurement times was newly developed for testing under ambient (0 - 60 °C) condi...
Nagashima Fumihiro, Matsuda Yu, Hayashida Masaya, Yamaguchi Hiroki, Egami Yasuhiro, NIIMI Tomohide
The Proceedings of the Fluids engineering conference   2009(0) 317-318   2009
In the field of chemical industries, it is desired to downsize chemical reactors for easy controlling, synthesizing a wide variety of products in small quantities and so on. It is well known that flow field structure in a mixing channel changes fr...
Development of a Highly Sensitive Temperature-Sensitive Paint for Measurements under Ambient (0 – 60 ºC) Conditions
47th AIAA Aerospace Sciences Meeting and Exhibit   AIAA- 2009-1075   2009
J. Quest, J. Leuckert, U. Fey, R. Konrath, Y. Egami
ICAS Secretariat - 26th Congress of International Council of the Aeronautical Sciences 2008, ICAS 2008   4 1572-1583   Dec 2008
The present paper addresses the development, qualification trials and application of some modern measurement techniques suitable for operation in the pressurised cryogenic wind tunnel ETW. Enhanced online model deformation measurement systems as w...
C. Klein, U. Henne, W. E. Sachs, Y. Egami, H. Mai, V. Ondrus, U. Beifuss
46th AIAA Aerospace Sciences Meeting and Exhibit   AIAA 2008-278   Dec 2008
Visualization and measurements of aerodynamic effects on a 2D-wing-profile model were conducted using an optical pressure measurement system, based on the pressure-sensitive paint (PSP) technique. The PSP technique can be used to obtain absolute p...
Application of Pressure Sensitive Paint -Theory and Pratice-
2nd PSP-Course, Course Notes, edited by U. Henne:, DLR, Göttingen, (2008).   CD-ROM   2008
Development and Application of Modern Measurement Techniques for Pressurized Cryogenic Wind Tunnels
Proceedings of the 26th Congress of International Council of the Aeronautical Sciences (ICAS)   1-12   2008
Application of PSP for Determination of unsteady Surface Pressures on an Oscillating 2D wing in Transonic Flow
Conference Proceedings of MOTAR Meeting   CD-ROM   2008
Instationäre Druckverteilungsmessung von 30 Hz Starrkörperdrehschwingungen am NLR7301-Profilmodell mitttels instationären PSP im DNW-TWG
STAB - Mitteilung, Jahresbericht 2008, DGLR-Fach-Symposium der STAB   CD-ROM   2008
Advanced Measurement Techniques for Cryogenic Testing
STAB - Mitteilung, Jahresbericht 2008, DGLR-Fach-Symposium der STAB   CD-ROM   2008
Advanced Measurement Techniques for Cryogenic Testing
Proceedings of 5th. European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008)   138   2008
U. Fey, Y. Egami, C. Klein
ICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities   CD-ROM   Dec 2007
The method of temperature-sensitive paint (TSP) adapted to industry-scale, cryogenic wind tunnels (i.e. cryoTSP) is used to detect the natural, laminar-to-turbulent transition of the boundary layer in high speed flows. Because of the small boundar...
C. Klein, U. Henne, W. E. Sachs, R. H. Engler, Y. Egami, V. Ondrus, U. Beifuss, H. Mai
ICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities   CD-ROM   Dec 2007
Visualization and measurements of aerodynamic effects on a delta-wing model and a 2D-wing-profile model were conducted using an optical pressure measurement system, based on the pressure-sensitive paint (PSP) technique. The PSP technique can be us...
Yasuhiro Egami, Yasuhiro Egami, Yasuhiro Egami, Uwe Fey, Uwe Fey, Uwe Fey, Jürgen Quest, Jürgen Quest
Collection of Technical Papers - 45th AIAA Aerospace Sciences Meeting   18 AIAA-2007-1062-12813   Jul 2007
A two-component TSP for cryogenic wind tunnels has been newly developed to extend the highest working temperature up to 320 K, whereas a conventional single-component cryoTSP operates in the temperature range from 100 K to 240 K. The two-component...
Optisches Messen des Drucks oder der Temperatur an Oberflaechen mittels druck- oder temperaturempfindlicher Farbe (PSP, TSP)
Proceedings of PhotonicNet Partnertreffen   1-17   2007
Yasuhiro Egami, Yasuhiro Egami, Yasuhiro Egami, Uwe Fey, Uwe Fey, Uwe Fey, Rolf H. Engler, Rolf H. Engler
Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting   17 AIAA-2006-1045-12551   Dec 2006
The appropriate combination of a luminophore and a binder for Pressure-Sensitive Paint (PSP) for a cryogenic wind tunnel has been investigated. The sensitivity of a PSP is governed by the luminescence lifetime of a luminophore, the oxygen permeabi...
Uwe Fey, Uwe Fey, Yasuhiro Egami, Yasuhiro Egami, Rolf H. Engler
Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting   9 AIAA-2006-514-6237   Dec 2006
Simulating true flight Reynolds numbers with scaled models requires the use of cryogenic wind tunnels. Transition detection in 'warm' wind tunnels can be realized using commercially available IR cameras. In cryogenic testing, IR imaging becomes mo...
Application of Pressure Sensitive Paint -Theory and Pratice-.
1st PSP-Course, Course Notes, edited by U. Henne   CD-ROM   2006
Using cryoTSP as a tool for transition detection and instability examination at high Reynolds numbers
STAB - Mitteilung, Jahresbericht 2006   S. 91 - 92 15.   2006
Instationäre PSP-Messungen durchgeführt am DLR-PSP Modell im DNW-TWG
Proceedings of 15th International Symposium of the German working flow on fluid mechanics (STAB Workshop)   CD-ROM   2006
Unsteady Vortex Behaviour of a Rotating 65° Delta Wing using Pressure Sensitive Paint (PSP)
Proceedings of 12th International Symposium on Flow Visualization   CD-ROM   2006
Transition Detection on High-Lift Devices in DNW-KKK by means of Temperature-Sensitive Paint
Proceedings of 12th International Symposium on Flow Visualization   CD-ROM   2006
Using cryogenic Temperature-Sensitive Paint (cryoTSP) as a tool for transition detection
Proceedings of 25th International Congress of the Aeronautical Sciences (ICAS 2006)   CD-ROM   2006
Transition Detection on High-Lift Devices in the DNW-KKK by Means of Temperature-Sensitive Paint
DNW (German-Dutch Wind Tunnels) Annual Report 2005   10-11   2005
Recent developments of image based measurement methods for application to transonic flows in industrial wind tunnels
Proceedings of East West High Speed Flow Field Conference EWHSFF2005   1–10   2005
IIJIMA Yoshimi, SAKAUE Hirotaka, EGAMI Yasuhiro, NISHIZAWA Akira, ASAI Keisuke, FEY U., ENGLER R. H.
Journal of the Visualization Society of Japan   24(1) 383-386   Jul 2004
A new Temperature-Sensitive Paint (TSP) technique for boundary-layer transition detection in a production-type large cryogenic wind tunnel is present. The formulation of Ruthenium complex TSP system has been optimized in terms of luminescence inte...
Application of TSP/PSP in a High Speed Cryogenic Wind Tunnel
Conference Proceedings CEAS/KATnet Conference on Key Aerodynamic Technologies   Session 21, 1-8   2005
TSP measurements in the ETW
DLR/ONERA – Annex   CD-ROM   2004
Yoshimi Iijima, Yasuhiro Egami, Akira Nishizawa, Keisuke Asai, Uwe Fey, Rolf H. Engler
ICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities   70-76   Dec 2003
In this paper, a new Temperature-Sensitive Paint (TSP) technique for boundary-layer transition detection in a production-type large cryogenic wind tunnel is present. The formulation of Ru(trpy) based TSP system has been optimized in terms of lumin...
U. Fey, R. H. Engler, Y. Egami, Y. Iijima, K. Asai, U. Jansen, J. Quest
ICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities   77-88   Dec 2003
The identification of laminar-turbulent boundary layer transition on wind tunnel models provides essential data for modern wing design. However, simulating true flight Reynolds numbers with scaled models requires the use of cryogenic wind tunnels....
EGAMI Yasuhiro, IIJIMA Yoshimi, ASAI Keisuke
Journal of the Visualization Society of Japan   23(1) 149-152   Jul 2003
We have applied PSP to low-speed wind tunnel tests of an automobile model. PSP measurements at low speeds are difficult because of small changes of pressure on a model. To evaluate the accuracy of current PSP system, we made low-speed PSP experime...
Temperature-Sensitive Paint Formulation for Large-Scale Cryogenic Wind Tunnels
MOSAIC International Workshop   CD-ROM   2003
Transition Detection at Cryogenic Temperatures using Temperature Sensitive Paint in the European Transonic Windtunnel (ETW)
Proceedings of 11th International Symposium of the German working flow on fluid mechanics (STAB Workshop)   174-175   2003
Transition Detection by Temperature Sensitive Paint at Cryogenic Temperature in the European Transonic Wind Tunnel (ETW)
Proceedings of International Congress on Instrumentation in Aerospace Simulation Facilities (ICIASF)   77-88   2003
NIIMI Tomohide, YOSHIDA Masaki, KONDO Makoto, OSHIMA Yusuke, MORI Hideo, EGAMI Yasuhiro, ASAI Keisuke, NISHIDE Hiroyuki
Transactions of the Japan Society of Mechanical Engineers. Series B.   68(676) 3360-3368   Dec 2002
Recently pressure sensitive paint (PSP) has actively developed to measure continuous distribution of the surface pressure. However, the pressure range has been limited above 1 Torr (133.3 Pa) and there is no application to lower pressure range bec...

Books etc

 
"Development of Sprayable Ultrafast-PSP for Unsteady Flow" in31st International Symposium on Shock Waves 1
Y. Egami, Y. Sato, Y. Shimizu, K. Yamashita, A. Natsubori, T. Fukuzumi
Springer International Publishing   2019   ISBN:978-3-319-91019-2
"7.4 Transition Detection by Temperature-Sensitive Paint” in Springer Handbook of Experimental Fluid Mechanics
Springer- Verlag Berlin Heidelberg   2007   

Works

 
Development of the technique of the simultaneous pressure and temperature measurement by means of micro-dot arrayed pressure and temperature sensitive moleculars
2009
Advanced In-flight Measurement Techniques
2006 - 2009

Research Grants & Projects

 
Pressure and temperature measurement on the solid surface by means of functional molecular sensors
Project Year: 1999   

Patents

 
Temperature Sensitive Paint for an Extended Temperature Range
US Patent 7513685
Temperaturempfindliche Farbe Fuer einen erweiterten Temperaturerbereich
DE 20 2008 009 006.7
P2005-105160A