Uncertainty analysis of air-conditioner cooling capacity measurement with air enthalpy test method;
空气焓值法测量空调制冷量的不确定度评定
Study on cooling capacity determination method of refrigerant compressor and analysis of its uncertainty;
制冷压缩机制冷量测定方法研究及其不确定度分析
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.
本文建立了实验装置并对高温43℃下某特种设备热电制冷热端在几种不同散热方式下制冷效果进行了比较,证明了可通过改善传热条件来提高其制冷量。
Effects of concentrating production on the climate and refrigerating capacity of coal face in hot mine;
高温矿井集中生产对采煤工作面气候及制冷量的影响
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.
测试结果表明,当污水温度升高时,热泵系统的制冷量及COP随之降低,对普通热泵机组来说,为保证热泵系统的正常运行,系统污水温度有一个最高的限制要求。
Synthetically analyses the effect of operating conditions and modes on the refrigerating capacity and energy consumption of the system.
针对天车在具有高温集中热源的车间中运行环境的变化,搭建了天车驾驶室空调系统的实验装置,设置符合实际情况的小扰动运行工况进行了实验,综合分析了运行环境和运行方式的改变对天车驾驶室空调系统制冷量和能耗的影响。
Affection of pressure difference of cooling water on refrigerating output of centrifugal water chillers;
冷却水压差对离心式冷水机组制冷量的影响
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.
冷端传热强化后,冷藏箱的耗电量几乎不变,制冷量和制冷系数增加,制冷温度及热端、冷端温度差降低,制冷性能上升。
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.
通过对溴化锂吸收式机组热力系数的分析 ,针对某中央空调装置溴化锂机组制冷量的衰减 ,提出运用提高热力系数的方法解决制冷量衰减问题 ,并成功地进行了实践 ,籍以引起同行的关
The refrigeration capacity measurement and uncertainty analysis of air condition compressor;
空调压缩机制冷量测量及其不确定度分析
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.
通过对离心式冷水机组冷凝器构造的分析,按管壳式热交换器Kern方程,由管程压降计算出冷却水流速,而后得出冷凝器的传热系数,进而算出冷凝器的热负荷和冷水机组的制冷量;建立冷却水压差和离心式冷水机组制冷量的关系,对冷水机组的设计和运行提供了一些参考。
Furthermore,the refrigeration capacity of air conditioner is determined and research overview for air conditioner specialized for SPC exchange center is proposed.
在分析通讯程控交换机房建筑要求和空调特点的基础上,介绍了该机房热负荷的计算方法,并进一步确定了空调制冷量,提出了目前我国通讯机房专用空调的研究方向。
Introduces method and theory of testing air-condition refrigeration and structure of air-condition performance test system for the light rail.
介绍轻轨列车单元式空调器性能测试系统的组成及空调器制冷量的测试方法和原理。
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.
提出了通过采用新风量和制冷量综合自动调节办法,控制车内CO2浓度和温度,提高车内空气品质,满足乘客热舒适要求。
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.
随着低温泵在半导体成膜工业和光学透镜涂层等工业领域的应用日益广泛,对GM制冷机的制冷温度和制冷量提出了更高的要求,希望获得满足工业生产要求的相应规格的两级GM制冷机。
2 m has been optimized to provide hundreds of Watt cooling power in the liquid nitrogen temperature range.
优化设计并研制了一小冷量液氮温区高频热驱动脉冲管制冷机,系统轴向长度仅为1。
Discussion on Reduction Causes of Refrigerating Capacity of Lithium Bromide Absorption-type Cold and Hot Water Unit
溴化锂吸收式冷热水机组制冷量衰减原因探析
Theory and Application of the Testing and Controlling System for Refrigerating Capacity of Refrigerant Compressors;
制冷压缩机制冷量测控系统的若干理论问题与实践
Quality requirment of the tension rate method for the cold drawn steel bar
冷拉钢筋按控制冷拉率法的质量要求
The Best Pump Frequency and the Most Cooling Efficiency in Laser Cooling with Energy Transfer Mechanism
能量传递制冷机制中激光制冷的最佳泵浦频率和最大制冷效率
The VM type cryogenerator is a mini-device using heat imput from outside.
VM型氦气制冷机是依靠外界输入热量来制冷的微型制冷设备。
Research on Multivariable Adaptive Fuzzy Control for Cold Storage Refrigeration System;
冷库制冷系统多变量自适应模糊控制研究
The development and application of high performance G-M cryocooler with new type refrigerative materials
大冷量新型蓄冷材料G-M制冷机的研究进展及应用
Refrigerant Metering with Turbine Vane Flow Meter
用涡轮流量计测量挥发制冷剂液体流量
The lower part of the measuring cup houses a thermoelectric cooler.
量杯的下部有热电制冷器。
1989 Ex-works absorption chiller amounted to 15000 units.
1989年吸收式制冷机销售总量达到15000台。
Development of Displacement-Measurement System for Cold Components in EAST;
EAST冷质部件位移测量系统的研制
Optimal Analysis on the Performance of an Irreversible Harmonic Quantum Refrigeration Cycle;
谐振子量子制冷循环性能的优化分析
Quality Control and Investigation of the Cold Strip Side Trimming
冷轧板带边部剪切质量的控制和研究
DECREASING & POSTPONABLE TECHNOLOGY OF R22 HCFC REFRIGERATION
R22等HCFC制冷剂的减量延续技术
Key Points of Quality Control of Vacuum Freeze Drier
冷冻真空干燥机的质量技术控制要点
Design of Refrigeration Compressor Oil Circulation Test System
制冷压缩机油循环量测试系统的设计
Experimental researches on relationship between the performance of VRF refrigeration loop and vapor-liquid two-phases flow pattern
变制冷剂流量制冷循环性能与气液两相流流型的研究
Control strategy of chilled water temperature for energy efficiency in constant and variable flow systems
定流量与变流量系统冷水温度节能控制策略