The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2013
Session ID : F223
Conference information
F223 Feasibility study of stacked high pressure resistance micro-channel heat exchanger for heat pump system
Kohei YAMAMOTOYutaka ABEAkiko KANEKOYutaka SUZUKI
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
It has been required to develop small and high efficient heat exchangers in order to manufacture high efficiency in small energy equipments such as heat pump system using CO_2 refrigerant. Thus, stacked high pressure resistance micro-channel heat exchangers have been developed. The purpose of this study is to reveal heat transfer properties of the stacked high pressure resistance micro-channel heat exchangers when water and steam are respectively supplied test fluids entrance of low and high temperature fluid with. In conclusion, it is found that the longer length of a straight section is, the smaller size of each channel and the more number of stacked layers are, the higher heat transfer rate is.
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© 2013 The Japan Society of Mechanical Engineers
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