Using a wide field stereo-microscope,a high-speed camera and a CCD video camera,liquid dryout behaviors and axial wetting height in vertical rectangular capillary microgrooves were observed and measured under the conditions of pure evaporation and boiling heat transfer.
利用宽视场体视显微镜、高速摄影仪以及CCD摄像系统对纯蒸发和沸腾换热情形下竖直矩形毛细微槽内液体的特殊干涸行为进行了观察,对液体沿微槽槽道方向的润湿高度进行了观察测量,并对液体沿微槽槽道方向的相变换热特性进行了实验研究。
Based on the fundamental mass conservation equation and considering the special characteristics of fluid flow and heat transfer in bilaterally heated annuli, a physical model used to predict dryout in bilaterally heated annuli is proposed.
根据环形管通道内流体流动和换热的特点,以Kirillov和Smogalev提出的干涸点理论模型假设为基础,从最基本的质量守恒方程出发,并引入临界液膜厚度等相应的辅助模型,得到了双面加热环形通道内流动沸腾干涸点的理论模型。
Based on the theory of fluid flow and heat transfer in porous media with inner heat source, the phenomenon of membrane dryout in DMFC is studied quantitatively.
本文首次应用有内热源的多孔介质中流体流动与换热理论,对直接甲醇燃料电池中PEM中的传热过程和干涸 现象进行定量研究。
the electrolyte in the battery nearly dry-out,the use of PE separators,charging process and the temperature rising as well.
产生恶臭的条件为:蓄电池接近干涸;使用PE隔板;充电过程;电池温度升高。
Based on an analysis of the two-phase flow pattern and the dry-out phenomenon, it was clear that annular flow was the predominant flow pattern, and liquid entrainment and deposition were the most important mechanism to sustain the annular flow during the heat absorbing boiling process of CO_2.
通过对两相流型和干涸现象进行分析 ,发现 CO2 在吸热沸腾过程中 ,环状流是主要的流型 ,液滴夹带和沉降是支持环状流最可能的机理。
The lake ran dry during the drought.
干旱时期湖水干涸。
"Because of the drought, the lake began to dry up."
"由于干旱,湖水开始干涸。 "
The spring dried up long ago.
这泉水早就干涸了。
The river has run dry.
这条河已经干涸了。
The river was beginning to run dry.
河水开始干涸起来。
Till a' the seas gang dry, my Dear,
亲爱的,直到大海干涸
The Aral Sea Saving the Last Drop
拯救濒临干涸的咸海
The rain water soaks into the dry fields.
雨水滋润着干涸的田野。
The small brook nearly dried up.
这条小河沟几乎干涸了。
The streams dried up in summer
溪流在夏天干涸了。
The rain sank into the dry soil.
雨水渗入干涸的土壤。
. The river ran dry during the drought.
大旱期间河流干涸 ?
The long draught dried up the small stream.
长期的干旱使那条小河干涸了。
The long drought dried up all the wells.
长期的干旱使所有的井都干涸了。
A streambed, often dry according to the season.
干河谷随季节变化通常干涸的河谷
The stream has shrunk to a mere trickle.
那条溪流已干涸到只有细微的流水了。
The rivers are all drying up in the hot summer.
炎热的夏日使河流不断干涸。
"and the waters of the sea will be cut off, and the river will become dry and waste:"
海中的水必绝尽,河也消没干涸。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号