GIEC OpenIR  > 中国科学院广州能源研究所
Alternative TitleHeat transfer performance of twisted-tube dry-expansion evaporator
尹应德1,2,3; 朱冬生1,2,3; 孙晋飞1,2,3; 李修真1,2,3; 刘峰4; 王洪4
Source Publication化工学报
Other AbstractThe objective of this paper is to study the heat transfer performance of twisted-tube dry-expansion evaporator(TDE) and conventional baffle dry-expansion evaporator(BDE). The effect of evaporating temperature(Te), condensing temperature(Tc), Reynolds number(Reo) outside tube and heat flux(qi) on heat transfer performance was investigated. The results showed that with the increase of Te, Reo and qi, the heat transfer performances of TDE and BDE were increased, while with the increase of Tc, both of the heat transfer performances were decreased. The air-cooled heat pump(ACHP) applied with TDE and BDE was tested, respectively. The results showed that at the same cooling state the overall heat transfer coefficient(K) of TDE was 36.3% higher than that of BDE, and the ACHP's cooling coefficient of performance(COP) was increased by 6.0%. At the same heating state, the K of TDE was 41.7% higher than that of BDE and the ACHP's heating COP was increased by 15.8%. It was proved that TDE applied in ACHP was feasible, and its performance was better than BDE.
Keyword螺旋扁管 干式蒸发器 传热系数 相变 热力学 汽化 twisted-tube dry-expansion evaporator heat transfer coefficient phase change thermodynamics vaporization
Document Type期刊论文
Corresponding Author尹应德
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
尹应德,朱冬生,孙晋飞,等. 螺旋扁管干式蒸发器的传热性能[J]. 化工学报,2017,68(4):1318-1325.
APA 尹应德,朱冬生,孙晋飞,李修真,刘峰,&王洪.(2017).螺旋扁管干式蒸发器的传热性能.化工学报,68(4),1318-1325.
MLA 尹应德,et al."螺旋扁管干式蒸发器的传热性能".化工学报 68.4(2017):1318-1325.
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