Results 21 to 30 of about 6,247 (69)

Experimental Study on Heat Transfer Characteristics of Supercritical Carbon Dioxide in Horizontal Tube

open access: yesZhileng xuebao, 2007
The heat transfer characteristics of carbon dioxide in a horizontal tube with water in the vertical cross flow form was ex- perimentally investigated. The results indicate that the changes of inlet pressure, mass flux, and cooling water flow have great ...
Lv Jing, Fu Meng, Qin Na, Dong Bin
doaj  

Study on Low Temperature Applications of R404A for Semi-hermetic Reciprocating Refrigeration Compressor

open access: yesZhileng xuebao, 2007
Experiments on a reciprocating compressor C- L150M82 using R404A and R22 were conducted under low temperature working conditions. The feasibility of replacing R22 with R404A was analyzed based on the experimental data. The results show that with the same
Qin Haijie, Yu Shitao, Liu Jinglin
doaj  

Influence of Parameters on Airside Performance of Wavy Fin-and-tube Heat Exchangers with Hydrophilic Coating under Dehumidifying Conditions

open access: yesZhileng xuebao, 2007
The effects of space of fins, number of tube rows and relative humidity of incoming air on airside performance of waw fin with hydrophilic coating under dehumidifying conditions were experimentally explored for seven waw fin - and - tube heat exchangers ...
Zhang Yuanming   +2 more
doaj  

Characteristics of The Charging Process Discharging Process of Direct Evaporative Internal-melt Ice Storage System

open access: yesZhileng xuebao, 2007
The direct evaporative internal- melt ice storage air conditioning is a new and promising ice - storage technology. It has high heat transfer efficiency and hence can be widely used. Through adding ice storage tank and heat transfer tubes and the control
Du Yanli   +4 more
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Theoretical and Experimental Investigation on Characters of Mechanical Pumped Two Phase Cooling System

open access: yesZhileng xuebao, 2007
A brief review of two-phase cooling applications was presented.The differences between MPLHP(Mechanical Pumped Loop Heat Pipe) and LHP/CPL(Loop Heat Pipe /Capillary Pumped Loop)or Mechanical Pumped Single-phase Cooling Loop were discussed according to ...
Liu Jie   +5 more
doaj  

地下冷库建筑设计热物理理论基础

open access: yesZhileng xuebao, 1980
陈启高
doaj  

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