含有不凝气体的蒸汽滴状冷凝传热实验研究

工程热物理学报 , 2004, 25(6): 1001-1003.

1.大连理工大学化学工程研究所,辽宁,大连,116012

2.大连理工大学化学工程研究所,辽宁,大连,116012

3.大连理工大学化学工程研究所,辽宁,大连,116012

4.大连理工大学化学工程研究所,辽宁,大连,116012

5.大连理工大学化学工程研究所,辽宁,大连,116012

6.大连理工大学化学工程研究所,辽宁,大连,116012

基金项目: 教育部留学回国人员科研启动基金(1999-747) 国家自然科学基金(59906002)

EXPERIMENTAL INVESTIGATION OF DROPWISE CONDENSATION IN THE PRESENCE OF NON-CONDENSABLE GAS

本文对饱和水蒸气和空气的混合物在垂直表面上滴状冷凝传热特性进行了实验研究.考察了不同的压力条件下不凝气对冷凝传热的影响.与膜状冷凝实验结果对比表明,滴状冷凝对含有不凝气的蒸汽冷凝传热有强化作用;在较高的冷凝压力下不凝气体对传热的影响相对较小.

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