为查明不凝气体对水平管外膜状凝结换热特性的影响规律，建立了水平单管的气、液双边界层模型。
Film condensation heat transfer characteristics are studied by numerical simulation for a single horizontal tube in the presence of a non condensable gas.
配备可重复充装专用钢瓶，带有气、液双阀以及液位安全保护，可有效清除混入冷媒罐中的不凝气体；
The gas & liquid valves, liquid level and safety protection be furnished to the special rechargeable tank.
研究了不同的塑料在不同的温度下裂解的液体收率、残渣收率、不凝气体收率以及汽油溜分、柴油溜分和重油溜分的量。
The yields of liquid, carbon residue and gas, and the quantity of gasoline, diesel and heavy oil generated by pyrolysis of different kinds of waste plastic at different temperature were studied.
通过对水平管束管间冷凝换热特性的试验研究 ，探讨并分析了冷却水流量以及不凝气体质量分数对管束冷凝换热的影响规律和机理 。
The Effects of the content of the non-condensable gas and the condensing pressure on the overall condensation heat transfer was tested.
该模型考虑了气、液膜之间的质量连续及能量连续特征。 对于不同的壁面过冷度，用数值方法首次求解并分析了边界层内局部不凝气体质量分数、温度和速度的分布规律。
The vapor liquid two boundary layer model is applied to predict local mass concentration of the non condensable gas, temperature profiles and velocity profiles in the boundary layer.
介绍了不凝性气体(如空气)在制冷系统中的危害。
Introduces the harm of non-condensable gases (such as air, etc.) in refrigeration systems.
本文利用自主设计的大空间凝结换热实验台，对水平光管和三维肋管管外高不凝性气体含量水蒸气的凝结换热性能进行了实验研究；
In the past decades, little efforts has been done on the investigation of condensation of steam in the presence of high content non-condensable gas due to its complication.
不凝性小分子气体的析出量随稻杆原料水分含量增大而增大，主要焦油组分析出量则随之减小。
Most of the detected incondensable gases were favored by the moisture content, while tar components were reduced by the moisture content.
不凝性小分子气体的析出量随稻杆原料水分含量增大而增大，主要焦油组分析出量则随之减小。
Most of the detected incondensable gases were favored by the moisture content, while tar components were reduced by the moisture content.
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