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Главная Архив Thermal Letter Оргкомитет Будущие конференции AIHTC
International Heat Transfer Conference 6

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

HEAT TRANSFER OF ABSORBING EVAPORATOR IN CDE ENGINE SYSTEM

Naotsugu Isshiki
Tokyo Institute of Technology, Ohokayama, Tokyo, Japan

Y. Maekawa
Tokyo Institute of Technology, Ohokayama, Tokyo, Japan

M. Takeuchi
Tokyo Institute of Technology, Ohokayama, Tokyo, Japan

I. Nikai
Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi, Tokyo 184-8588, Japan

J. Kamoshida
Shibaura Institute of Technology, Omiya, Japan

DOI: 10.1615/IHTC6.2200
pages 169-174

Аннотация

Heat transfer experiments were performed on absorbing evaporators of Concentration Difference Energy engine systems which work on enriched aqueous solution of inorganic salts absorbing the engine exhaust steam. Very high absorption heat transfer coefficients were obtained, presumably thanks to the boundary layer agitation induced by steam injection and sudden collapse of bubbles during absorption. An empirical correlation of absorption Nusselt number Nua and absorption Reynolds number Rea was derived. Furthermore it was shown that the high overall heat transfer coefficient achieved enables the absorbing evaporator to have an overall efficiency higher than 0.8 ~ 0.9.

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