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首页> 外文会议>7th Biennial Conference on Engineering Systems Design and Analysis 2004(ESDA 2004) vol.1: Advanced Energy Systems; Advanced Heat Transfer in Engineering Systems; ... >DEVELOPMENT OF A CALORIMETER FOR EVALUATING THERMAL PERFORMANCE OF EVAPORATORS
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DEVELOPMENT OF A CALORIMETER FOR EVALUATING THERMAL PERFORMANCE OF EVAPORATORS

机译：评估蒸发器热性能的量热仪

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摘要

It is presented in this work a prototype of calorimeter developed to evaluate the thermal performance of fin-and-tube evaporators under steady-state conditions. The calorimeter determines the heat rate absorbed by the evaporator, providing qualitative analysis of performance for a given geometry. The calorimeter domain represents the cooling compartment of household refrigerators because it is closed and does not change neither energy nor mass air (humidity). Like consequence, there is a tendency in dehumidifying the ambient. Parameters such as refrigerant mass flow and evaporation temperature can also be adjusted. Therefore, it is possible to establish favorable conditions in order to test evaporating heat exchangers. Results of evaporator performance in terms of heat fluxes and overall heat transfer coefficient (UA) are presented and discussed as well.
机译：这项工作介绍了量热仪的原型，该量热仪是为评估翅片管蒸发器在稳态条件下的热性能而开发的。量热计确定蒸发器吸收的热量，从而对给定几何形状的性能进行定性分析。热量表域表示家用冰箱的冷藏室，因为它是封闭的，不会改变能量或空气质量（湿度）。同样的结果，存在使环境除湿的趋势。也可以调节制冷剂质量流量和蒸发温度等参数。因此，可以建立有利条件以测试蒸发式热交换器。还介绍并讨论了蒸发器性能的热通量和总传热系数（UA）的结果。

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