1) dropwise condensation heat transfer model
滴状冷凝传热模型
2) dropwise condensation heat transfer
滴状冷凝传热
1.
To investigate new surface materials for promotion of steam dropwise condensation heat transfer mode, the dynamic ion beam mixed implantation (DIMI) method was employed to coat polytetrafluoroethylene (PTFE) film on a copper plate.
为了探索实现滴状冷凝传热的新表面涂层 ,采用离子束动态混合注入技术制备了紫铜基聚四氟乙烯(PTFE)薄膜 ,显著地提高了水蒸气冷凝传热性能。
2.
The objective of this paper is to investigate the influence of the surface properties of polymer film on dropwise condensation heat transfer of steam, in order to prepare a viable polymer film sustaining long- term dropwise condensation.
对离子束动态混合注入(DIMI)技术制备的黄铜、紫铜、不锈钢和碳钢管基聚四氟乙烯(PTFE)表面的冷凝传热实验发现,用不同加工条件制备的表面具有不同的化学组成、不均匀的表面状态以及不同的物理化学性质,从而导致不同的冷凝成滴面积和传热性能,而且表面加工条件对滴状冷凝传热的寿命有至关重要的作用,不同基体材料应有不同的最佳制备工艺条件。
3.
The coordinated effects of difference of surface free energy between nanostructure and liquid-solid on the dropwise condensation heat transfer are analyzed.
实验研究了常压条件下两类表面的滴状冷凝传热特性。
3) condensation heat transfer model
冷凝传热模型
4) dropwise condensation
滴状冷凝
1.
Mechanism of initial droplet formation in dropwise condensation;
滴状冷凝初始液滴的形成机理
2.
Study on dropwise condensation heat transfer on composite electroplating surface;
在复合镀层表面上实现滴状冷凝传热的研究
3.
Mechanism of dropwise condensation heat transfer enhancement in presence of non-condensable gas;
滴状冷凝强化含不凝气的蒸气冷凝传热机制
5) drop condensation
滴状冷凝
1.
Analysis of achieving drop condensation by rolling drop;
滚动脱落实现滴状冷凝的分析
2.
This paper applies the technology of the low energy compound film on the metal surface of heat exchanger, which improves the phase transition form of steam on the surface, and realizes the drop condensation in evaperator.
1前言滴状冷凝具有很高的传热速率,其冷凝传热系数是膜状冷凝的几至几十倍。
6) triangular flute tube
膜状冷凝传热
补充资料:滴状冷凝
分子式:
CAS号:
性质:当饱和蒸气与低于饱和温度的壁面相接触时,将放出潜热并冷凝成液体。若冷凝面上存在着一层油类物质,或是蒸气中混有油类或脂类物质时,冷凝液不能全部润湿壁面而结成滴状小液珠从壁面落下,新的冷凝面又重新露出,这种冷凝现象称为滴状冷凝。与膜状冷凝(这时壁面上始终覆盖着一层液膜)相比,滴状冷凝时的传热系数要大几倍到几十倍。
CAS号:
性质:当饱和蒸气与低于饱和温度的壁面相接触时,将放出潜热并冷凝成液体。若冷凝面上存在着一层油类物质,或是蒸气中混有油类或脂类物质时,冷凝液不能全部润湿壁面而结成滴状小液珠从壁面落下,新的冷凝面又重新露出,这种冷凝现象称为滴状冷凝。与膜状冷凝(这时壁面上始终覆盖着一层液膜)相比,滴状冷凝时的传热系数要大几倍到几十倍。
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参考词条