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暖通空调杂志社>期刊目次>2018年>第2期

组合管径圆弧肋片换热器在空调器上的应用

Application of circular finned tube heat exchanger with combined pipe diameter to air conditioner

张 鹏 樊明敬 王 飞
青岛海尔空调器有限总公司

摘要:

采用Fluent软件对4根小管的新型肋片换热器空气侧的流动和换热特性进行了研究,并与开缝三折肋片换热器进行了比较。不同工况下的数值模拟结果表明,前者换热量提高了0~1.75%,压降增大了2.42%~4.86%;实验结果表明,二者COP几乎相等,但前者铜管节省5.8%。

关键词:空调器,肋片换热器,换热性能,组合管径,数值模拟

Abstract:

Studies the airflow of air side and heat exchange performance of a new finned tube heat exchanger with 4 small diameter tubes using the software Fluent, and compares with a slit three-fold finned tube heat exchanger. The numerical simulation results show that heat exchange capacity of the new one is increased by 0 to 1.75% and the pressure drop is increased by 2.42% to 4.86% under the different operating conditions. The experimental results show that the COP of the two heat exchangers are almost the same, but the copper materials consumption of the new heat exchanger is saved by 5.8%.

Keywords:airconditioner,finnedtubeheatexchanger,heatexchangeperformance,combinedpipediameter,numericalsimulation

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