Uncertainty analysis of air-conditioner cooling capacity measurement with air enthalpy test method;

Study on cooling capacity determination method of refrigerant compressor and analysis of its uncertainty;

Under different conditions,by improving the conditions of heat exchanging for hot side,the cooling capacity of the thermoelectric refrigerator can be increased to a great extent.

Effects of concentrating production on the climate and refrigerating capacity of coal face in hot mine;

The data analysis shows that when the sewage temperature is rising,the refrigerating capacity and COP of the unit will decrease,a maximum limit for sewage temperature is required to ensure the normal operation of the ordinary heat pump unit in summer.

Synthetically analyses the effect of operating conditions and modes on the refrigerating capacity and energy consumption of the system.

Affection of pressure difference of cooling water on refrigerating output of centrifugal water chillers;

The test results show that refrigerating output and COP increase with the voltage of the fan at cold side,while the consumed electricity almost keeps constant.

This paper analyzes the thermodynamic coefficients of lithium bromide refrigerating machine and,aimed at the decreasing of the refrigerating output of the lithium bromide machine in some central controlling air-conditioner,puts forward the method of solving the problem by increasing the thermodynamic coefficients,which has been successfully put into practice,arousing general concern.

The refrigeration capacity measurement and uncertainty analysis of air condition compressor;

Through analyzing the constitution of condenser of centrifugal chillers,calculated the velocity of flow of cooling water by the pressure difference of cooling water in tube in accordance with Kern equation of shell and tube heat exchanger, then acquired the heat transfer coefficient of the condenser, finally, got out the condenser heat load and refrigeration capacity of centrifugal chillers.

Furthermore,the refrigeration capacity of air conditioner is determined and research overview for air conditioner specialized for SPC exchange center is proposed.

Introduces method and theory of testing air-condition refrigeration and structure of air-condition performance test system for the light rail.

It is put forward that the comprehensive automatic adjustment method for fresh air volume and refrigeration is used to control the CO_ 2 density and temperature inside the car, to improve the air quality inside the car and to meet the heat comfortability requirements of passengers.

Gifford-Mcmahon refrigerator (GM refrigerator) is widely applied as the cooling source of cryopump, because of its simple structure, large cooling power, high reliability and long lifetime.

2 m has been optimized to provide hundreds of Watt cooling power in the liquid nitrogen temperature range.