Combined with gravity, surface tension, vapor velocity and cooling water velocity to the impact of R22 condensation on horizontal C-S tube, the paper deduces the relational expression on horizontal C-S tube which is in the tube-in-tube condenser.
本文以R22为工质,采用水平C-S管为传热管的水平套管式冷凝器为研究对象,运用理论分析并结合实验的方法探讨了R22蒸气在水平C-S管外的凝结换热性能,综合考虑了重力、表面张力、蒸气流速及冷却水流速对R22蒸气在水平套管中C-S管外凝结换热机理中所起的作用。
The effect of vapor velocity on Marangoni condensation heat transfer for water-ethanol mixture vapor on a vertical surface with temperature gradients was researched.
本文以水-酒精混合蒸气为工质,对蒸气流速对存在温度梯度的竖直壁面Marangoni凝结换热特性的影响进行了实验研究。
In order to clarify the effect of vapor velocity on Marangoni condensation,heat flux and vapor-to-surface temperature difference were measured for steam-ethanol mixtures over a wide range of composition at vapor velocity of 2, 4 and 5 m/s.
36 kPa的条件下,通过实验研究了不同蒸汽流速(u=2、4、5 m/s)下纯水和不同酒精浓度水-酒精混合蒸汽沿重力方向流过竖直紫铜平板表面上的凝结换热特性,并实现了实验的可视化,同时分析了不同蒸汽流速下造成Marangoni凝结换热特性差异的原因。
The result shows the heat transfer coefficient of condensation of the C-S tube is related with the surface tension and the vapor velocity, and then fits experimental relational expression.
以R22为工质在套管式冷凝器中对C-S水平管在饱和蒸汽状态下冷凝传热的性能进行实验研究,得出凝结换热系数与表面张力及蒸汽流速之间的关系,并拟合出其实验关系式。
EFFECT OF VAPOR VELOCITY ON MARANGONI CONDENSATION HEAT TRANSFER ON VERTICAL SURFACE WITH TEMPERATURE GRADIENTS
蒸气流速对存在温度梯度的竖直壁面Marangoni凝结换热的影响研究
SHOCK EFFECT IN SUPERSONIC NON-EQUILIBRIUM CONDENSING STEAM FLOW
水蒸气超音速非平衡凝结流动中的激波效应
Diameter of the suction and evaporating pipes should be decided by oil circulation and reconfirmation of gas speed.
吸气管及蒸发器管径，应考虑回油并再次确认流速后确定。
steam flow diagram
热线图,蒸气流程图
fluid coking - steam gasification
流化焦化-蒸汽气化
high-velocity superheated-steam kiln
高速过热蒸气快速干燥窑
heat transfer, fluids, air, gases, evaporators, coolers
传热, 流体, 空气, 气体, 蒸发器, 冷却器
The equatorial belt of calms, with its rapid evaporation and strong rising air currents, provides an ideal situation for abundant rain.
在赤道无风带，迅速的蒸发和强烈的上升气流，为大量降雨提供了理想的环境。
The vapour then passes to the compressor and the cycle is repeated.
随后,蒸气又流过压缩机,重复上述循环。
Experimental study on fluidized steam sterilization of black pepper
黑胡椒粒流态化蒸气杀菌的试验研究
Improvement of Installation Precision for Wet gas and Steam Volume Meter
湿气体及蒸汽流量计安装精度的提高
Numerical Simulation of a Superheated Steam Comminution Classifier
过热蒸汽气流粉碎分级机的数值模拟
an foul-smelling outflow or vapor (especially a gaseous waste).
一种难闻的流出物或蒸气（尤其是气体废物）。
Investigation of Real Gas Flows Within Steam and Gas Turbines;
蒸汽及燃气透平内部真实气体流动问题的研究
FLOW AND HEAT TRANSFER IN AN AIR GAP OF A MEMBRANE DISTILLATION SYSTEM
气隙式膜蒸馏中空气隙内流动与换热研究
The influence of water phase evaporation on gas percolation in low permeability gas reservoirs
低渗透气藏水相蒸发对气体渗流的影响
Test method of steam/oxygen accelerated ageing of printed board
GB/T4677.14-1988印制板蒸汽-氧气加速老化试验方法
Numerical analysis of water phase transition effects in hypersonic nozzles
高超声速喷管中水蒸气凝结的数值研究