期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 43, 期 10, 页码 1930-1938出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202000086
关键词
Heat transfer performance; Microchannel heat exchangers; N-type waves; Wave microchannels
资金
- Natural Science Foundation of Guangdong Province, China [2017B030311012]
- Science and Technology Program of Guangzhou, China [201804010137, 201807010074]
- Fundamental Research Funds for the Central Universities [2018ZD28]
A microchannel heat exchanger with a triangular wave and symmetrical triangular wave structure was proposed in this paper. In addition, a new N-type microchannel heat exchanger was developed to balance the heat transfer performance and pressure drop. The relationship between different configurations of the N structure of the microchannel and the heat transfer performance was analyzed. The results showed that, at a high inlet flow rate, the symmetrical triangular wave microchannel had the best heat transfer performance, followed by the triangular wave microchannel and the straight channel. At the same flow rate, the degree of disturbance of the fluid was highest in the symmetrical N-structure microchannel, and an excellent heat transfer effect was observed.
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