In this paper, thermal performance test-bed of total heat exchanger is improved with the requirements of the frosting experiment.
本文在全热交换器热工性能实验台上进行了改进和完善，使之符合结霜实验的要求。
The membrane-based total heat exchanger is a novel heat recovery unit due to its simultaneous recovery of sensible heat and moisture.
膜全热交换器由于可以同时回收空调排风中的潜热和显热而受到重视。
When the plate total heat exchanger run in a day, it can be divided into three periods: frost occurring period, frost stable period and frost melting period.
冬季板式全热交换器在全天中的运行可分为结霜发生期、结霜稳定期和融霜期三个时期。
With an example, analyses the effect of total heat exchanger area on system performance and the optimizing results under different conditions and discusses the impact …
结合实际算例，分析了换热器总传热面积对系统特性的影响以及不同设计工况下的优化结果，同时讨论了换热器种类对最小总传热面积的影响。
The total heat efficiency of total heat exchanger in air-conditioning system is mainly influenced by the sensible heat efficiency under summer conditions in most areas of China.
夏季工况下，我国大部分地区空调系统中全热换热器的全热效率主要受潜热效率影响。
The results showed that the total heat transfer coefficient of heat exchanger with hot water arranged in shell-side was relatively higher by 33% than that with hot water arranged in tube-side.
结果表明：在相同的管、壳程流速下热流体在壳程时换热器总传热系数比热流体在管程时相对高出约33%。
There are 65 items in total for welding processing evaluation of heat exchanger.
用于换热器的焊接工艺评定共有65项。
Factors causing the total fee of shell and tube heat exchangers are analyzed, and a program for optimum design of shell and tube heat exchanger is worked out.
分析了影响年总费用的因素，编制了管壳式换热器优化设计计算机程序。
Factors causing the total fee of shell and tube heat exchangers are analyzed, and a program for optimum design of shell and tube heat exchanger is worked out.
分析了影响年总费用的因素，编制了管壳式换热器优化设计计算机程序。
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