Personal Information
Ryo Akasaka (赤坂 亮)
Date of Birth: 25th September 1967 (49 years old)
Place of Birth: Fukuoka, Japan
Nationality: Japanese
Work Address: Department of Mechanical Engineering, Faculty of Science and Engineering,
Kyushu Sangyo University
2-3-1 Matsukadai, Higashi-ku, Fukuoka, 813-8503, Japan
Tel: +81-92-673-5628 & Fax: +81-92-673-5090
Academic Qualifications:
• Ph. D. in Engineering
Mechanical Engineering Course, Graduate School of Kyushu University, Fukuoka, Japan, March 2000 (Supervisor: Prof. Takehiro Ito)
• M. Sc. in Mechanical Engineering
Mechanical Engineering Course, Graduate School of Kyushu University, Fukuoka, Japan, March 1994
• B. Sc. in Mechanical Engineering
Department of Mechanical Engineering for Power, Faculty of Engineering, Kyushu University, Fukuoka, Japan, March 1992
Professional Career
1994.4 – 1997.3 Taiyo Nippon Sanso Corporation (formerly Nippon Sanso Corporation)
2000.4 – 2003.3 Post-doctoral fellow, Institute of Environmental Systems, Kyushu University
2003.4 – 2010.3 Associate Professor, Faculty of Humanities, Kyushu Lutheran College
2010.4 – 2013.3 Associate Professor, Department of Mechanical Engineering, Faculty of Engineering, Kyushu Sangyo University
2013.4 – present Professor, Department of Mechanical Engineering, Faculty of Engineering, Kyushu Sangyo University
Membership (as of May 2017)
• Japan Society of Refrigerating and Air Conditioning Engineers (JSRAE)
• Japan Society of Mechanical Engineers (JSME)
• Japan Society of Thermophysical Properties (JSTP)
Awards
• 2011. 8 Best Paper Award 2009/2010, International Journal of Refrigeration, Elsevier.
Five selected papers
1. “Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (R-134a) + 2,3,3,3-Tetrafluoropropene (R-1234yf) Mixtures: Measurements of the Critical Parameters and a Mixture Model Based on the Multi-fluid Approximation”
Ryo Akasaka, Yukihiro Higashi, Yasufu Yamada, Takashi Shibanuma
International Journal of Refrigeration, Vol. 58 (2015), 146-153.

2. “A Fundamental Equation of State for 1,1,1,3,3-Pentafluoropropane (R-245fa)”
Ryo Akasaka, Yong Zhou, Eric W. Lemmon
Journal of Physical and Chemical Reference Data, Vol. 44(2015), 013104.

3. “A Fundamental Equation of State for Cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z))”
Ryo Akasaka, Yukihiro Higashi, Akio Miyara, Sigeru Koyama
International Journal of Refrigeration, Vol. 44(2014), 168-176.

4. “Thermodynamic Property Models for the Difluoromethane (R-32) + Trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and Difluoromethane + 2,3,3,3-Tetrafluoropropene (R-1234yf) Mixtures”
Ryo Akasaka
Fluid Phase Equilibria, Vol. 358(2013), 98-104.

5. “New Fundamental Equations of State with a Common Functional Form for 2,3,3,3-Tetrafluoropropene (R-1234yf) and Trans-1,3,3,3-Tetrafluoropropene (R-1234ze(E))”
R. Akasaka
International Journal of Thermophysics, Vol. 32(2011), 1125-1147.