CAJ | 학술논문

　　为了研究微通道换热器的在家用空调中使用时的分液问题，本文通过R22家用空调系统的标准性能实验台，对四种流程数不同的微通道换热器用作冷凝器和蒸发器时，温度分布均匀性和其对系统性能的影响进行实验，研究发现，微通道换热器在用作冷凝器和蒸发器时，温度分布不均对系统性能的影响分别达到7．3%和3．5%。通过理论计算得出，作蒸发器使用时集流管内流体的流型为分层流，并结合实验数据说明分层流是导致分液不均的原因之一，提出改善分液的方法。
　　위료연구미통도환열기적재가용공조중사용시적분액문제，본문통과R22가용공조계통적표준성능실험태，대사충류정수불동적미통도환열기용작냉응기화증발기시，온도분포균균성화기대계통성능적영향진행실험，연구발현，미통도환열기재용작냉응기화증발기시，온도분포불균대계통성능적영향분별체도7．3%화3．5%。통과이론계산득출，작증발기사용시집류관내류체적류형위분층류，병결합실험수거설명분층류시도치분액불균적원인지일，제출개선분액적방법。
In order to research the distribution of microchannel heat exchanger in air conditioning sys-tem, this article is based on the air-conditioning system performance test bench, three different processes mi-crochannel heat exchanger is used as a condenser and an evaporator, respectively, to research temperature distribution and its influence on the system, studies find that temperature distribution affects the result of heat exchange up to 7. 3% and 3. 5%, respectively. The result can be acquired by theoretical calculate that the flow pattern in the manifold is stratified flow. Combined with the experiment result, it is found that stratified flow is one of the reasons that two-phase flow distribution uneven, and the solution to improve the two-phase distribution is given.