Organization for University Research InitiativesWaseda University


Interdisciplinary institute for thermal energy conversion engineering and mathematics



Director : Kiyoshi SAITO
Professor, Faculty of Science and Engineering

Research theme

Development of a unified theoretical analysis of energy conversion engineering through the collaboration between mechanical engineering and mathematical science.

Overview of research

As energy conversion technologies increase in number, possibilities and complexity, the development of generalized approaches for the analysis of different engineering systems, such as electric systems, dynamic mechanical systems or thermal fluid systems, becomes essential.
In this institute, the progress of innovative solutions for energy conversion is pursued through the development of a unified analytical construct applicable to different engineering systems and the use of this fundamental theory. To this end, the establishment of an innovative theory with high accuracy and versatility for the energy conversion analysis, crossing basic phenomena to the whole system behaviour, is achieved from the engineering standpoint, where mechanical engineering aims at investigating physical phenomena in a technical context, through a scientific collaboration with mathematical science, aiming at the development of advanced mathematical systematization methods.
Furthermore, in order not to restrict the analysis to a theoretical approach, by implementing this mathematical systematization of the engineering theory within commercially available platforms, as a software that enables the integration of the knowledge from different fields, IOT, AI, information, economic analysis and total energy management studies become possible, and through its practical use as a hardware, together with an industrial-academic collaboration and international cooperation, will expand its application field to a global scale to clarify and guide the optimization of energy conversion methods required for the realization of the next-generation ultra-low carbon society.
Within the scheduled research period, we will focus on the development of the energy conversion technology involving thermal fluid systems, whose theoretical background, despite encompassing the most important physical phenomena for the energy conversion technology, is largely incomplete and stands a step backward to the corresponding technical development. More specifically, as for thermal fluid phenomena, we will concentrate on the mathematical modelling of two-phase flow processes and realize a breakthrough of the mathematical approach with new advanced methods, such as stochastic differential equations and particle methods.
With reference to this new formulation and by introducing a corresponding method for detailed numerical analysis, a generalized approach with high accuracy for system analysis will be achieved. At the same time, by utilizing simulators that enable the engineer to analyse different systems, from power generation systems to energy utilization systems, crossing air conditioning systems, engines, aviation systems, etc, we will realize the development of optimized fundamental devices from basic materials and contribute to the progress of a large variety of innovative energy saving systems.
Furthermore, by internationally expanding the application of this research, we target the development of general guidelines for optimizing energy conversion systems, while considering the specific regional climate and economic situation of the Southeast Asian countries, where rapid spread of highly efficient energy conversion system is demanded for significantly contributing to the realization of a global low-carbon society..


Yutaka Ota (Professor, Faculty of Science and Engineering)
Hiroyuki Kawada (Professor, Faculty of Science and Engineering)
Tetsuya Kawanishi (Professor, Faculty of Science and Engineering)
Tetsuya Satou (Professor, Faculty of Science and Engineering)
Kazuyoshi Miyagawa (Professor, Faculty of Science and Engineering)
Tomoyuki Yamamoto (Professor, Faculty of Science and Engineering)
Hiroaki Yoshimura (Professor, Faculty of Science and Engineering)
Yoshihiro Shibata (Professor, Faculty of Science and Engineering)
Tohru Ozawa (Professor, Faculty of Science and Engineering)
Hideo Kozono (Professor, Faculty of Science and Engineering)
Tadahisa Funaki (Professor, Faculty of Science and Engineering)
Chiharu Tokoro (Professor, Faculty of Science and Engineering)
Toshihide Arimura (Professor, Faculty of Political Science and Economics)
Hironori Higashide (Professor, Faculty of Commerce)
Kei Nagashima(Professor, Faculty of Human Sciences)
Eiji Iwase (Associate Professor, Faculty of Science and Engineering)
Atsushi Hosoi (Associate Professor, Faculty of Science and Engineering)
Seiichi Yamaguchi (Associate Professor(with tenure), Faculty of Science and Engineering)
Kenji Takizawa (Associate Professor, Faculty of Science and Engineering)
Issei Oikawa (Junior Researcher, Faculty of Science and Engineering)
Hirokazu Saito (Assistant Professor, Faculty of Science and Engineering)
Niccolo Giannetti (Assistant Professor, Faculty of Science and Engineering)
Arnas (Research Associate, Faculty of Science and Engineering)
Yukihito Suzuki(Associate Professor)
Koichi Yamamura(Visiting Senior Researcher)
Hiroaki,Yoshimura(Associate Professor, Faculty of Science and Engineering)

Koichi,Yamamura(Guest Assistant Professor)

Adjunct Researcher

Keisuke OHNO
Giovanni Paolo GALDI
Muhammad Idrus ALHAMID
Menandro Serrano BERANA
Jumpei KATO
Suguru OYAMA
Yohei Inoue
Saito Hirokazu

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