The heat transfer performance test of ground heat exchanger was presented and compared with thermal response test.
阐述了地源热泵地埋管传热性能的测试原理，并与热响应测试原理相对比。
Tests were conducted of the heat transfer and resistance performance of drop-shaped finned tubes and test results obtained under different air velocities and temperatures are presented.
对滴状翅片管的传热及阻力性能进行了试验，给出了不同风速、温度下的试验结果。
The flow pattern, mixing characteristic and heat transfer performance of this combined impeller were studied on the basis of laboratory cold simulation test.
在实验室基础上，探讨了这一搅拌器的流型、功率消耗、混合特性和传热性能，为该组合桨的开发应用奠定了基础。
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