| 1. | The analysis on condensation heat transfer of flue gas 烟气冷凝换热过程分析 |
| 2. | Experimental study of the condensation of multicomponent vapors inside vertical tubes 含不凝性气体的蒸汽在垂直圆管内表面冷凝换热的实验研究 |
| 3. | Based on a lot of experimental data , the empirical correlations of single - phase heat transfer coefficient , condensation heat transfer coefficient and pressure drop factors are given 根据大量实验数据,得到了计算对流换热系数、冷凝换热系数及阻力系数的经验关联式。 |
| 4. | Concludes that the relative uncertainty of the whole bed and the internal and the external tube condensing heat transfer coefficients are 7 . 19 % , 4 . 95 % , and 8 . 73 % respectively 根据误差分析结果,该试验台冷凝传热系数的相对误差为7 . 19 % ,管内、管外的冷凝换热系数的相对误差分别为4 . 95 %和8 . 73 % 。 |
| 5. | So far the mechanism and the effects of developing flow , condensate film roughness , property variation in the gas phase , system pressure , and sorts of noncondensable gases and its contents on condensing are not adequately understood 而且,系统压力、蒸气过热度、蒸气流速和不凝性气体种类及其含量是影响蒸气冷凝的重要因素,这使得蒸气冷凝换热现象大大复杂化。 |
| 6. | 2 . the investigation on the condensation heat transfer characteristics in a horizontal micro - fin tube for hc600a - oil mixture shows : a . the condensation heat transfer coefficient of the mixture increases with the increasing of the mass flux 2 、关于hc600a含油混合物水平微肋管内的冷凝换热特性的研究表明:混合物微肋管内冷凝平均换热系数随着质量流率的增加而增加。 |
| 7. | ( 2 ) the investigation on the condensation heat transfer characteristics in a horizontal micro - fin tube for hc290 - oil mixture shows : a ) the condensation heat transfer coefficient of the mixture increases with the increasing of the mass flux ( 2 )关于hc290含油混合物水平微肋管内的冷凝换热特性的研究表明: a )随着质量流率的增加,混合物微肋管内冷凝平均换热系数增加。 |
| 8. | In this paper , recent development of condensation heat transfer of alternative refrigerants inside tubes are reviewed , including the comparison of heat transfer characteristics between alternative refrigerants and original refrigerants , the influence of lubricants on heat transfer and the enhancement of condensation heat transfer 本文回顾了国内外替代制冷剂管内冷凝换热方面的研究进展,包括各种替代制冷剂与原制冷剂的传热性能对比、润滑油对传热的影响、冷凝换热过程的强化。 |
| 9. | A correlation was studied out here : , for experiment with sparger 1 # ; , for experiment with sparger 2 # . sparger decreased interfacial heat transfer coefficient , total clotted liquid and steam energy transfer and weakened surface temperature vibration . it also decreased thickness of hot water layer , attenuated steam condensation and shortened the time of balance 加装遮流板使实验初期阶段的表面冷凝换热系数hif降低76 93 ;减少了累计凝结量67以上;降低蒸汽流能量的传递,使表面温度波动显著降低;减少了热水层的厚度;减缓了蒸汽凝结的剧烈程度,大大缩短了系统压力平衡需要的时间。 |