| 1. | Thermodynamic analysis of vapour condonsation at low tempevatures
低温气体冷凝过程的热力学分析 |
| 2. | The influence of interfacial shear on laminar film condensation in a vertical tube
液界面切应力对冷凝过程的影响 |
| 3. | The effects of developing flow , condensate film roughness , property variation in the gas phase were considered
分析中，考虑了流动发展段、液膜波动和气相物性变化对冷凝过程的影响。 |
| 4. | The effects of the flow rate , the inlet temperature , the inlet concentration and the system pressure , the temperature of cooling wall and the radius on the features of condensation process with binary ( tfe / nmp ) vapor were gained
同时，也得出了进口流量、进口温度、进口浓度、体系压力、冷却壁温和管径等参数对垂直管内部分膜状冷凝过程参数分布的影响规律。 |
| 5. | In this paper , a physical model - and a mathematic model describing the simultaneous heat and mass transfer in a partial film with binary ( tfe / nmp ) vapor condensation had been set up on the basis of detailed analyses of the features of condensation process
本文在分析垂直管内tfe nmp双组分部分膜状冷凝过程特点的基础上，建立了部分膜状冷凝过程热质传递的物理模型和数学模型。 |
| 6. | These theoretical conclusions summarized by the author can provide some referable guides to the reasonable applications of the vertical tube , also thoughtfulness and method could be made use of during studies on the process of multi - component vapor partial film condensation
本文对双组分部分膜状冷凝传热传质过程的结论，可以为垂直管的合理使用提供一定的参考依据，也可以为多组分部分膜状冷凝过程的研究提供可借鉴的思路和方法。 |
| 7. | The results indicate that the qualitative behavior in this process is similar to that observed in condensation of vapor at or above atmosphere pressure , the coefficient of heat transfer for condensation in tube , the coefficient of heat transfer in total increase with the increasing of heat flux density and vapor pressure . however , heat flux density and vapor pressure have a more significant effect on them
发现水平管内低压蒸汽冷凝过程与常压条件下蒸汽冷凝过程相同，管内冷凝传热膜系数、总传热系数随热流密度、蒸汽压力的增大而增大，但热流密度、蒸汽压力对低压蒸汽冷凝有着更为显著的影响，管外冷却水流量对其影响并不明显。 |
| 8. | At present in the cooling mode of condenser in refrigeration devices , the cooling water needs to be cooled in cooling tower . not only this takes more energy but also the settings are so large . this paper brought forward a new cooling mode - bubbling evaporative cooling
本文针对目前在制冷装置中冷凝器的冷却方式，冷却水另需冷却塔进行冷却，不仅能耗大，而且设备庞大，提出了一种新的冷却方式，即鼓泡蒸发冷却，将冷凝过程与冷却水的冷却合二为一，对鼓泡蒸发冷却过程的换热性能和阻力特性进行了实验研究。 |
| 9. | Based on the experiments , the simulation of the heat exchanger and scroll compressor was accomplished which also offered a favorable condition to the establishment of the whole gwshp methods were used to improve the veracity and astringency of the model , such as : dividing the condenser into several tiny segment with equal area ; separating the condensing process into single - phase region and double - phase region ; the comparing result showed that most of the error between the data of simulation and experiment was within 5 % while the maximal error was 8 . 35 %
在建模过程中，从大量蒸发和冷凝的换热关联式中，通过与实验数据的比较找出了与实验结果最为接近的换热关联式在建模过程中，针对冷凝器及板式换热器的特点，采取将冷凝器按面积分成若干个微元段，并将冷凝过程分成单相区和两相区的方法。同时对涡旋压缩机进行建模和分析同时在热力学平衡基础上与实验数据比较，经过验证，对于换热器模型，模拟计算与实验结果的误差一般都在5以内，最大为12 。 |
| 10. | The theory of interface of two - phase fluid id used to analyze the role of the interfacial heat transfer resistance in cond ensation process , it shows that the interfacial heat transfer resistance can not be ignored under such a vacuum condition , and the effect on heat transfer process becomes declined with the increasing of vapor pressure
应用两相界面理论分析了汽液界面热阻在水平管内低压蒸汽冷凝过程中所起的作用，发现实验范围内汽液界面热阻不可忽略，且其对冷凝传热过程的影响随蒸汽压力的增大而减弱。 |
