Tomohiro Kobayashi - My portal

Profile Information

Affiliation: Graduate School of Engineering, Osaka University

Degree: 学士（工学）
修士（工学）
博士（工学）

J-GLOBAL ID: 201001047769203368
researchmap Member ID: 6000024159

Research Interests

Research Areas

Social infrastructure (civil Engineering, architecture, disaster prevention) / Construction environment and equipment /

Research History

Apr, 2018 - Present

Associate Professor, Graduate School of Engineering, Osaka University
Apr, 2013 - Mar, 2018

Lecturer, Graduate School of Engineering Urban Engineering Course, Osaka City University
Apr, 2010 - Mar, 2013

Lecturer, Ritsumeikan University
2009 - 2010

:日本学術振興会特別研究員PD
2008 - 2009

:日本学術振興会特別研究員DC
2008 - 2008

:イエブレ大学居住環境センター客員研究員
2006 - 2007

:株式会社大林組

Education

- 2009

Osaka University
- 2009

Graduate School, Division of Engineering, Osaka University
- 2006

Osaka University
- 2006

Graduate School, Division of Engineering, Osaka University
- 2005

王立工科大学（KTH, スウェーデン）交換留学
- 2005

-
- 2004

Department of Global Architecture, School of Engineering, Osaka University
- 2004

Faculty of Engineering, Osaka University

Awards

Papers

Wind-induced ventilation rate of single-sided ventilation in a building with internal partition

Zitao Jiang, Tomohiro Kobayashi, Toshio Yamanaka, Mats Sandberg, Narae Choi, Noriaki Kobayashi, Kayuki Sano, Kota Toyosawa

International Journal of Ventilation, 1-22, Feb 21, 2024
Performance of all-air wall induction unit for displacement ventilation in a four-bed hospital ward during the cooling period

Shaoyu Sheng, Toshio Yamanaka, Tomohiro Kobayashi, Narae Choi, Nobukazu Chou

Building and Environment, 248 111101-111101, Jan, 2024
面積の窓を有する空間における冬期暖房時の熱環境予測手法に関する研究第6報 −窓下排気使用時の窓面近傍の温度・気流分布測定および上下温度分布予測モデルによる検討

加藤正宏, 山中俊夫, 小林知広, 大西直紀

空気調和・衛生工学会論文集, 48(320), Nov, 2023 Peer-reviewed
Performance of Combination of Local Exhaust System and Floor-Supply Displacement Ventilation System as Prevention Measure of Infection in Consulting Room

Jun Yoshihara, Toshio Yamanaka, Tomohiro Kobayashi, Narae Choi, Noriaki Kobayashi

Japan Architectural Review (Original Paper) (Accepted), Oct, 2023 Peer-reviewed
Heating and ventilation performance investigation of a novel linear slot diffuser with adaptive outlet area for near window applications

Shaoyu Sheng, Toshio Yamanaka, Tomohiro Kobayashi

Building and Environment, 110813-110813, Oct, 2023 Peer-reviewed
A novel portable cooling unit with air purification for displacement ventilation: Parametric study with zonal model and field experiment

Aya Essa, Toshio Yamanaka, Narae Choi, Tomohiro Kobayashi, Noriaki Kobayashi, Miharu Komori, Nobuki Matsui, Tetsuya Okamoto, Takeshi Arakawa, Yuki Yamoto …

Building and Environment, 244 110657-110657, Oct, 2023 Peer-reviewed
Energy saving, indoor thermal comfort and indoor air quality evaluation of an office environment using corner impinging jet ventilation

Arman Ameen, Mathias Cehlin, Haruna Yamasawa, Tomohiro Kobayashi, Taghi Karimipanah

Developments in the Built Environment, 15 100179-100179, Oct, 2023 Peer-reviewed
Wind tunnel experiment of wind-induced single-sided ventilation under generic sheltered urban area

Zitao Jiang, Tomohiro Kobayashi, Toshio Yamanaka, Mats Sandberg, Narae Choi, Noriaki Kobayashi, Kayuki Sano, Kota Toyosawa

Building and Environment, 242 110615-110615, Aug, 2023 Peer-reviewed
A literature review of cross ventilation in buildings

Zitao Jiang, Tomohiro Kobayashi, Toshio Yamanaka, Mats Sandberg

Energy and Buildings, 291 113143-113143, Jul, 2023 Peer-reviewed
STUDY ON CAPTURE PERFORMANCE OF LOCAL EXHAUST HOOD UNDER PASSING AIRFLOW

Miharu Komori, Toshio Yamanaka, Tomohiro Kobayashi, Narae Choi

Journal of Environmental Engineering (Transactions of AIJ),, 88(809), Jul, 2023 Peer-reviewed
Analysis of single-sided ventilation flows of a generic isolated building using particle tracking method in LES simulation

Zitao Jiang, Tomohiro Kobayashi, Mats Sandberg, Toshio Yamanaka, Noriaki Kobayashi, Narae Choi, Kayuki Sano, Kota Toyosawa

Building and Environment, 235 110230-110230, May, 2023 Peer-reviewed
Prediction Method of Thermal Environment During Heating in Winter for Spaces with Large-Area Window Part5 - Calculation Model for Wall Plume from Perimeter Heater

Masahiro Katoh, Toshio Yamanaka, Tomohiro Kobayashi, Naoki Onishi

Transactions of the Society of Heating, Air-Conditining and Sanitary Engineers of Japan, (314), Apr, 2023 Peer-reviewed
Booth Type Displacement Ventilation for Prevention from Infectious Diseases Using Personal Ventilation

Nana Shikano, Narae Choi, Toshio Yamanaka, Tomohiro Kobayashi, Wakako Namba, Yoichi Tanabe

Transactions of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan, 48(310) 1-10, Jan, 2023 Peer-reviewed
80

Effect of source location on contaminant dispersion pattern and occupants inhaled air quality in lecture room under displacement ventilation

Aya Essa, Toshio Yamanaka, Tomohiro Kobayashi, Narae Choi

JAPAN ARCHITECTURAL REVIEW, Nov 15, 2022 Peer-reviewed
Numerical Evaluation of the Flow Field of an Isothermal Dual-Corner Impinging Jet for Building Ventilation

Arman Ameen, Haruna Yamasawa, Tomohiro Kobayashi

Buildings, 12(10) 1767-1767, Oct 21, 2022 Peer-reviewedLast author
85

Numerical analysis of wind-induced natural ventilation for an isolated cubic room with two openings under small mean wind pressure difference

Tomohiro Kobayashi, Mats Sandberg, Takuya Fujita, Eunsu Lim, Noriko Umemiya

Building and Environment, 226 109694-109694, Oct, 2022 Peer-reviewedLead author
Influence of inlet turbulent condition on the formation mechanism of local scalar concentrations

Haruna Yamasawa, Teruaki Hirayama, Kazuki Kuga, Ryota Muta, Tomohiro Kobayashi, Kazuhide Ito

JAPAN ARCHITECTURAL REVIEW, 5(4) 691-701, Oct, 2022 Peer-reviewed
Cooling and Heating Performance of Ceiling Radiant Membrane Air Conditioning System with PAC

Tatsunori Maeda, Toshio Yamanaka, Tomohiro Kobayashi, Jihui Yuan, Narae Choi, Fumiko Kamimura, Hirotake Shingu, Rakuto Yasue

(307) 1-9, Oct, 2022 Peer-reviewed
Natural Ventilation Performance of High-Rise Office Building with Voids

Shingo Tanabe, Toshio Yamanaka, Tomohiro Kobayashi

(307) 11-17, Oct, 2022 Peer-reviewed
26

Numerical investigation of the flow behavior of an isothermal corner impinging jet for building ventilation

Arman Ameen, Mathias Cehlin, Ulf Larsson, Haruna Yamasawa, Tomohiro Kobayashi

Building and Environment, 223 109486-109486, Sep, 2022 Peer-reviewedLast author

Misc.

Improvement Method of Thermal Environmental Near Windows During Heating Period - Outlet Characteristics and CFD Modelling Method of the Slot Line Diffuser

Shaoyu Sheng, Toshio Yamanaka, Tomohiro Kobayashi, Jihui Yuan, Masahiro Katoh, Saori Yumino

Proceedings of The 15th Roomvent Conference, Vm, Feb, 2021 Peer-reviewed
Effect of supply air condition on temperature/contaminant distribution in a room with impinging jet ventilation system

Haruna Yamasawa, Tomohiro Kobayashi, Toshio Yamanaka, Narae Choi, Mako Matsuzaki

Proceedings of The 15th Roomvent Conference, AD(1), Feb, 2021 Peer-reviewed
Simplified Prediction Model for Vertical Profile of Temperature and Contaminant Concentration in a Room with Impinging Jet Ventilation System

Tomohiro Kobayashi, Noriko Umemiya

Proceedings of The 15th Roomvent Conference, AD(1), Feb, 2021 Peer-reviewedLead authorCorresponding author
Impact of Internal Partition Curtains on Temperature and Contaminant Concentration Distributions in a Four-Bed Hospital Ward with Displacement Ventilation

Narae Choi, Toshio Yamanaka, Tomohiro Kobayashi, Taisei Ihama

Proceedings of The 15th Roomvent Conference, AD(1), Feb, 2021 Peer-reviewed
Modelling of Supply Air Jet from Diffusers of Four-way packaged Air-conditioner for CFD Analysis on Unsteady Airflow in Room

Norikazu Yasuda, Toshio Yamanaka, Tomohiro Kobayashi, Narae Choi

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 595-604, Oct, 2019 Peer-reviewed
Cooling Performance of Air-Conditioning System with Ceiling Suspended Packaged Air Conditioning Unit over Divided-Type Membrane Ceilings in Large Classroom

Shogo Ito, Toshio Yamanaka, Tomohiro Kobayashi, Jihui Yuan, Narae Choi

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 585-594, Oct, 2019 Peer-reviewed
Successive Indoor Air Pressure Calculation Method for Natural Ventilation Rate Prediction

Haruna Yamasawa, Toshio Yamanaka, Tomohiro Kobayashi, Jihui Yuan

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 545-554, Oct, 2019 Peer-reviewed
Vertical Distribution of Temperature and Contaminant Concentration in a Room with Impinging Jet Ventilation System

Mako Matsuzaki, Tomohiro Kobayashi, Toshio Yamanaka, Narae Choi, Haruna Yamasawa

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 453-462, Oct, 2019 Peer-reviewed
Improvement Method of Thermal Environmental Near Windows During Heating Period -Thermal and Air Flow Characteristics of Two-Dimensional Jet from Breeze Line Diffuser in Free Field

Shaoyu Sheng, Toshio Yamanaka, Tomohiro Kobayashi, Jihui Yuan, Masahiro Katou, Saori Yumino

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 382-393, Oct, 2019 Peer-reviewed
Influence of Building Envelope’s Solar Reflectivity,Wind Speed and Building Coverage Ratio on Urban Heat Environment

Haruto Kitakaze, Jihui Yuan, Toshio Yamanaka, Tomohiro Kobayashi

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 365-374, Oct, 2019 Peer-reviewed
Learning Performance in Odor Environment with aroma oils: Influence of Odor of Essential Oils on Learning Performance in Classroom

Aya Eto, Toshio Yamanaka, Narae Choi, Akihisa Takemura, Tomohiro Kobayashi

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 328-337, Oct, 2019 Peer-reviewed
Wind Pressure Coefficient and Wind Velocity around Buildings in High Density Block of Metropolis for Natural Ventilation Design

Toshio Yamanaka, Eunsu Lim, Tomohiro Kobayashi, Toshihiko Sajima, Kanji Fukuyama

Proceedings of The 40th AIVC - 8th Tight Vent & 6th venticool Conference, 883-892, Oct, 2019 Peer-reviewed
Effect of highly reflective building envelopes on outdoor environment temperature and indoor thermal loads using CFD and numerical analysis

Jihui Yuan, Toshio Yamanaka, Tomohiro Kobayashi, Haruto Kitakaze, Kazuo Emura

E3S Web of Conferences (CLIMA 2019 Congress), 111 06031-06031, May, 2019 Peer-reviewed
Simplified Prediction Method of Vertical Temperature Distribution for Impinging Jet Ventilation System

Tomohiro Kobayashi, Toshiya Nishiumi, Noriko Umemiya

E3S Web of Conferences (CLIMA 2019 Congress), 111 01097-01097, 2019 Peer-reviewedLead authorCorresponding author
Simplified Estimation of Wind-Induced Natural Ventilation Rate Caused by Turbulence for a Room with Minute Wind Pressure Difference

Tomohiro Kobayashi, Mats Sandberg, Takuya Fujita, Eunsu Lim, Noriko Umemiya

International Conference on Air Distribution in Rooms (Roomvent 2018), T4 613-618, Jun, 2018 Peer-reviewedLead authorCorresponding author
Air change efficiency of sterile sickroom with vertical/horizontal ventilation system

55(2) 96-103, 2017
Airflow Analysis around Cross-ventilated Building by means of PIV

KOTANI Hisashi, SAGARA Kazunobu, YAMANAKA Toshio, KOBAYASHI Tomohiro, SHIOZAKI Yasuhiro

Journal of the Visualization Society of Japan, Vol.29(No112) 18-24, 2009
Cross ventilation analyzed by recording pressure distribution on the floor of wind tunnel models

Mats Sandberg, Leif Claesson, Tomohiro Kobayashi, Hisashi Kotani

Proceedings of AIVC Conference 2008,, 1 33-38, Oct, 2008 Peer-reviewed
Power Transportation Analysis inside Stream Tube of Cross-Ventilated Building

Tomohiro Kobayashi, Kazunobu Sagara, Toshio Yamanaka, Hisashi Kotani, Naomichi Nishimoto

Proceedings of AIVC Conference 2008, 1 249-254, Oct, 2008 Peer-reviewedLead authorCorresponding author
Measurement of total pressure, static pressure and wind velocity around cross-ventilated building

Naomichi Nishimoto, Kazunobu Sagara, Toshio Yamanaka, Hisashi Kotani, Tomohiro Kobayashi, Shogo Takeda

Proceedings of AIVC Conference 2008, 1 237-242, Oct, 2008 Peer-reviewed

Books and Other Publications

はじめての環境・設備設計シミュレーション CFDガイドブック

空気調和, 衛生工学会編 (Role: Contributor)

オーム社, Nov, 2017 (ISBN: 9784274221538)
実務者のための自然換気設計ハンドブック

日本建築学会編 (Role: Contributor)

技報堂出版, Aug, 2013 (ISBN: 9784765525664)

Presentations

湿度と輻射の最適制御空調を目指したオフィスビルにおける省エネ性・快適性の検討（第4報）伝熱輻射分離空調を有するオフィスビルでの冬期実測及び被験者実験結果

空気調和・衛生工学会学術講演会講演論文集, 2011
湿度と輻射の最適制御空調を目指したオフィスビルにおける省エネ性・快適性の検討（第3報）シミュレーションと実験による夏期の空調システムの適応性

空気調和・衛生工学会学術講演会講演論文集, 2011
置換空調の予測・評価精度向上に関する研究（その3）実験およびCFD解析の精度向上とその検証

空気調和・衛生工学会学術講演会講演論文集, 2011
温度成層型水蓄熱槽における鉛直吹出ディフューザーが蓄熱性能に及ぼす影響の CFD解析

空気調和・衛生工学会学術講演会講演論文集, 2011
風力換気促進装置を有する住宅の換気性能に関する研究（第1報）風洞実験による風圧係数分布の検討

空気調和・衛生工学会学術講演会講演論文集, 2011
住宅地における越屋根の風力換気性能予測手法に関する研究（その1）換気特性曲線を用いた換気量算定手法

空気調和・衛生工学会学術講演会講演論文集, 2011
室内外流管解析に基づく通風量予測に関する研究（その12）建物内の単室における流管内エネルギー輸送性状

空気調和・衛生工学会学術講演会講演論文集, 2011
通風時の建物周辺気流を対象とした PIV 解析の精度検証

日本建築学会大会学術講演梗概集, D2, 2011
住宅地における越屋根の風力換気性能に関する研究（その1）p-Q特性を用いた換気量算定とCFDによる検証

日本建築学会大会学術講演梗概集, D2, 2011
置換空調の予測・評価精度向上に関する研究（その2）CFD解析精度向上にむけた実験及び解析結果

日本建築学会大会学術講演梗概集, D2, 2011
通風量の簡易予測を目的とした室内外流管解析に関する研究（その18）パワーロス予測手法の検討

日本建築学会大会学術講演梗概集, D2, 2011
湿度と輻射の最適制御空調を目指したオフィスビルにおける省エネ性・快適性の検討（その２）外気温度情報を被験者に与えることによる心理量変化の検証

日本建築学会大会学術講演梗概集, D2, 2011
湿度と輻射の最適制御空調を目指したオフィスビルにおける省エネ性・快適性の検討（その１）還気と外気を個別処理するデュアルコイル型空調機の性能評価

日本建築学会大会学術講演梗概集, D2, 2011
パッシブな換気促進装置を有する住宅の換気性能に関する研究（その1)装置形状及び周辺建物配置が風圧係数分布に及ぼす影響

日本建築学会大会学術講演梗概集, D2, 2011
減築によりもたらされる低炭素効果に関する研究（その４）実建物を用いた減築モデルの検証と便益に関する研究

日本建築学会大会学術講演梗概集, 2011
通風量の簡易予測を目的とした室内外流管解析に関する研究（その17）Large Eddy Simulationモデルを用いた流管性状の把握

日本建築学会近畿支部研究報告集, 第51号, 環境系, 2011
通風気流場を対象としたCFD解析の精度検証

空気調和・衛生工学会近畿支部環境工学研究会「気流解析の研究最前線」, pp.1-10, 2011
室内外流管解析に基づく通風量予測に関する研究（その11）LESを用いたCFDによる流管解析

空気調和・衛生工学会近畿支部学術研究発表会論文集, pp.347-350, 2011
CFD 解析による鉛直吹出ディフューザーを有する温度成層型水蓄熱槽の蓄熱性能に関する検討

空気調和・衛生工学会近畿支部学術研究発表会論文集, pp.277-280, 2011
Measurement of Pressure and Velocity distribution around Cross-Ventilated Building and Accuracy Study of CFD Analysis

12th International Conference on Air Distribution in Rooms (Roomvent 2011), 2011

Research Projects

Study on prevention measures for infection of COVID-19 by means of ventilation and control of indoor air distribution

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
Advanced Prediction Method of Indoor Natural Ventilation Flow using LES-based Domain Decomposition Technique

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2024
Radical development method of exhaut device of "pollutant capture" with high capture efficiency

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jun, 2019 - Mar, 2022

Yamanaka Toshio
Simplified Prediction of Natural Ventilation Rate and Guide of Natural Ventilation Design for Mid- to High-Rise Office Building

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (A), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2020

Kobayashi Tomohiro
Development of Comfortable and Safe Ventilation System for Sickroom by Combination of Displacement Ventilation and Mist Spraying for Deodorization and Microorganism Elimination

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2020

Yamanaka Toshio
Prediction of Wind-Induced Natural Ventilation Rate caused by Turbulence considering Pulsation Flow

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Kobayashi Tomohiro, Sandberg Mats, Fujita Takuya, Domoto Hiroki
The proposition of a new index to define the scalar discharge velocity of the industrial local ventilation system and development to an environment design

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Lim Eunsu
Simplified commissioning method of natural ventilation rate and systematic improvement method of the building operation using the method

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

Kotani Hisashi, SAGARA Kazunobu, TANABE Shingo
Thermal environment and ventilation efficiency of semi-displacement ventilation system using radial impinging jet

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2015

KOBAYASHI Tomohiro, SANDBERG Mats, KISHIMOTO Takashi, USAMI Ryota, TOMITA Atsushi, SUGITA Kazuki
Prediction of Cross-ventilation Rate based on Mechanism Analysis of Pressure Loss Generation in Stream Tube inside/outside building

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2010 - 2012

KOTANI Hisashi, MOMOI Yoshihisa, YAMANAKA Toshio, KOBAYASHI Tomohiro, MATS Sandberg, AMANO Narumi, KAMI Kyoko, ARIMA Yusuke, ASAI Kaori
Natural Ventilation Design for Residence with Device promoting Wind-Induced Ventilation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Research Activity Start-up, Japan Society for the Promotion of Science, 2010 - 2011

KOBAYASHI Tomohiro
大開口を有する建物の通風量予測手法に関する研究

科学研究費助成事業, 特別研究員奨励費, 日本学術振興会, 2008 - 2009

小林知広
建物の自然換気設計に関する研究
建物の通風量予測手法に関する基礎的研究
高効率な温度成層型蓄熱槽の設計・運転手法に関する研究
Natural ventilation design of buildings
Fundamental study on prediction of cross-ventilation rate of the building
Design and operation method of temperature-stratified thermal energy storage tank of high efficiency