Implementation of heat exchanger performance testing system of heat transfer and flow resistance 换热器传热与流动阻力性能测试系统的实现.pdf
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Journal of Southeast University ( English Edition) Vol. 28 ,No . 1 ,pp. 46-51 M ar. 20 12 ISSN 1003—7985
Implementation of heat exchanger performance testing system
of heat transfer and flow resistance
Cao Ruibing Chen Yaping Wu Jiafeng Dong Cong Sheng Yanjun
( School of Energy and Environment , Southeast University , Nanjing 210096 , China)
( Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education , Southeast University , Nanjing 210096 , China)
Abstract: A heat transfer performance testing system is lization efficiency and reducing energy consumption.
presented w ith its hardw are structure , operation principle , and Therefore , using the appropriate methods to test the per-
softw are control and measurement system . Working fluids of formance of the heat exchanger is particularly impor-
the subsystem include thermal conducting oil , compressed air , tant[6-7 ] . Heat transfer capacity and flow resistance are two
glycol w ater solution and w ater as the heating fluids , and air main performance indices for evaluating a heat exchanger.
and w ater as the cooling fluids. The heat transfer performance A heat exchanger performance test is to simulate the opera-
testing of heat exchangers can be conducted not only for a tion conditions of both the side temperature and the flow
conventional one heating fluid to one cooling fluid , but also rate and to measure and compare the heat transfer capacity
for a compound air cooling heat exchanger w ith tw o or three
an
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