Akasaka Ryo

アカサカリョウ | Akasaka Ryo

Affiliation and department：
Job title： Associate Professor
Other affiliations (4)：

Homepage URL (1)： http://ras.kyusan-u.ac.jp/professor/0002720/profile.html

Research field (1)： Thermal engineering

Research keywords (3)：熱物性 , 状態方程式 , 気液平衡

Research theme for competitive and other funds (10)：

2020 - 2023 Fundamental Equations of State for Strongly Associated Fluids Based on a Generalized Hydrogen-bonding Model: Application to ISO International Standard Formulations
2018 - 2021 中小型規模の冷凍空調機器に使用する次世代冷媒の熱物性、伝熱特性および基本サイクル性能特性の評価研究
2015 - 2018 多種流体同時相関法による次世代冷媒向け実用状態方程式の効率的開発手法の提案
2016 - 2017 中小型空調機器に適合する新規低GWP冷媒の物性評価および基本サイクル性能評価
2013 - 2016 鉄鋼業における中低温廃熱の高効率回収・利用に関する研究開発

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Papers (73)：

Ryo Akasaka, Eric W. Lemmon. A Helmholtz Energy Equation of State for cis-1-Chloro-2,3,3,3-tetrafluoro-1-propene [R-1224yd(Z)]. International Journal of Thermophysics. 2023. 44. 166
Simona Lago, Paolo Alberto Giuliano Albo, Ryo Akasaka, Raffaella Romeo. Thermodynamic Properties of cis-1-Chloro-2,3,3,3-tetrafluoro-1-propene [R-1224yd(Z)]: Experimental Measurements of the Density and Speed of Sound and Modeling with the Patel-Teja Equation of State. International Journal of Refrigeration. 2023. 155. 154-162
Monjur Morshed, Atiqur R. Tuhin, Ryo Akasaka, Akio Miyara. Application of Extended Corresponding States (ECS) and Residual Entropy Scaling (RES) Techniques for Modeling Viscosity of cis-1,3,3,3-Tetrafluoropropene (R1234ze(Z)) with Revised Experimental Data. International Journal of Thermophysics. 2023. 44. 8. 123
Ryo Akasaka, Marcia L. Huber, Luke D.Simoni, Eric W. Lemmon. A Helmholtz Energy Equation of State for trans-1,1,1,4,4,4-Hexafluoro-2-butene [R-1336mzz(E)] and an Auxiliary Extended Corresponding States Model for the Transport Properties. International Journal of Thermophysics. 2023. 44. 4. 50
粥川洋平, 赤坂亮, 坂庭駿, 齋藤潔. R23代替冷媒に関する性能予測. 日本冷凍空調学会論文集. 2022. 39. 4. 283-292

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MISC (54)：

A Helmholtz Energy Equation of State for R-1224yd(Z). 2016. C311-1-4
Thermodynamic Properties of Low-GWP Alternative Refrigerants. 2016. C312-1-6
J. Steven Brown, Claudio Zilio, Ryo Akasaka, Yukihiro Higashi. Low-GWP refrigerants. SCIENCE AND TECHNOLOGY FOR THE BUILT ENVIRONMENT. 2016. 22. 8. 1075-1076
小山繁, 長孝良, 鈴木惇也, 森口貴也, 永田久美, 山口竜一, 秋山知昭, 吉村賢二, 宮崎隆彦, 森英夫, et al. Developments of Refrigerating and Air-Conditioning Industries and State-of-the Art Technology and Study in West Japan District. 冷凍. 2015. 90. 1055. 681-691
Thermodynamic Properties of R-1243zf : International Collaboration on the Development of Equations of State for Low-GWP Refrigerants. 2015. D121-1-4

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Patents (2)：

Books (4)：

物性推算とその応用
化学工学会 2016
JSRAE Thermodynamic Table Vol.4 HFO-1234ze(E)
Japan Society of Refrigerating and Air Conditioning Engineers 2011
JSRAE Thermodynamic Table Vol.3 HFO-1234yf
Japan Society of Refrigerating and Air Conditioning Engineers 2010
JSRAE Thermodynamic Table Vol.2 R410A
Japan Society of Refrigeranting and Air Conditioning Engineers 2008

Lectures and oral presentations (76)：

A Thermodynamic Property Model for R1234yf and Propane Mixtures
(The 26th IIR International Congress of Refrigeration 2023)
Application of the Universal ECS model to Property Calculations for trans-1,2-Dichloroethene [R1130(E)]
(The 13th Asian Thermophysical Properties Conference)
A Fundamental Equation of State for trans-1,1,1,4,4,4-Hexafluoro-2-butene [R1336mzz(E)]
(19th International Refrigeration and Air Conditioning Conference at Purdue 2022)
Current Status on the Development of Fundamental Equations of State for Low GWP Refrigerants
(Asian Conference on Refrigeration and Air-conditioning 2022 2022)
Build Databases for Evaluating Thermophysical Properties and Heat Transfer Performance of New Low GWP Refrigerants
(The International Symposium on New Refrigerants and Environmental Technology 2021)

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Education (5)：

1997 - 2000 九州大学大学院工学研究科機械工学専攻博士課程
- 2000 Kyushu University Graduate School, Division of Engineering Mechanical Engineering
1992 - 1994 九州大学大学院工学研究科動力機械工学専攻修士課程
1986 - 1992 Kyushu University School of Engineering
- 1992 Kyushu University Faculty of Engineering Department of Mechanical Engineering

Professional career (1)：

Work history (7)：

2017/04 - 現在 Department of Mechanical Engineering, Faculty of Science and Engineering, Kyushu Sangyo University
2010/04 - 2017/03 Kyushu Sangyo University Faculty of Engineering, Department of Mechanical Engineering
2003/04 - 2010/03 Kyushu Lutheran College Department of Humanities
2000/04 - 2003/03 九州大学大学院附属環境システム科学研究センター
2000 - 2003 Researcher, Institute of Environmental Systems,

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Committee career (7)：

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Awards (3)：

2021/09 - Japan Society of Refrigerating and Air Conditioning Engineers (JSRAE), The Chinese Association of Refrigeration (CAR), The Society of Air-Conditioning and Refrigerating Engineers of Korea (SAREK) Asian Academic Award Development of Equations of State for Low-GWP Refrigerants
2010/11 - International Institute of Refrigeration Best Paper of the Year published in the IJR in 2009/2010
1995 - 日本熱物性学会熱物性賞

Association Membership(s) (3)：

THE JAPAN SOCIETY OF MECHANICAL ENGINEERS , 日本冷凍空調学会 , 日本熱物性学会

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