空调管翅式换热器接触状态研究

Machine Tool & Hydraulics(2020)

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Abstract
空调管翅式换热器中铜管和翅片并不是完全接触,其接触状态会影响到换热器的传热.从理论和模拟两方面分析出间隙厚度为影响传热的主要因素之一,并以间隙厚度和接触长度占比作为接触状态的表征指标.通过模拟得到结论:随着间隙厚度减小,接触长度占比增加,从铜管传递到翅片的热量越多,翅片分布温度越高,传热效果越好.
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