热泵
- 名heat pump
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测试和模拟了循环操作温度对吸附热泵效率的COP值的影响;
The effect of operating temperatures on the coefficient of performance of the adsorption heat pump was also tested and discussed .
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采用ANSYS编写的程序得到地源热泵换热器的温度场分布,通过对运行结果分析得出:单管换热时埋管对周围的土壤温度影响半径;
ANSYS procedures used to prepare the ground source heat pump heat exchanger temperature distribution analysis of the results : single-tube heat exchanger pipe to the surrounding radius ;
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小型一体化CO2冷媒热泵热水器的开发
Development of Compact Integral Heat-pump Water Heating System using CO_2 Refrigerant
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CO2跨临界热泵双级加热热水系统运行参数分析与比较
Analysis of Performance Parameters of CO_2 Transcritical Heat Pump on Double-Stage Water Heating System
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地源热泵系统竖直U形管换热器设计中的问题探讨
Discussion on vertical U-tube heat exchanger design for ground-source heat pump systems
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综合试验结果:燃气机热泵是一项高效节能技术,其一次能源利用率PER在试验条件下为1.13~1.79。
The results show that GEHP is of high efficiency energy saving technology . The primary energy ratio is between 1.13-1.79 under experimental condition .
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影响热泵COP的因素与节能途径分析
Analysis of Factors Influencing the COP of Heat-pump and Energy-saving Methods
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在上述理论方法的研究基础上,对空气源热泵热水器可靠性指标分配系统进行需求和功能分析,在MATLAB平台上开发原型系统,通过一个实例演示该系统的主要功能。
Based on the above theoretical study , the demands and functions of the reliability allocation system are analyzed . The prototype system is developed on the MATLAB platform .
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利用导出的燃气发动机驱动热泵装置一次能源利用系数PER的计算公式,分析并指出了供热系数、废热利用率和有效效率对PER的影响以及增大PER的有效途径。
Derives a formula for calculating the primary energy ratio and the impacts of heating coefficient , waste heat recovery rate and useful thermal efficiency on the primary energy ratio , and effective ways to increase of the ratio .
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分析了U形管管径、单孔内U形管数量及热泵机组设计进水温度对换热器换热效果的影响。
Analyses the effect of U-tube diameter , tube quantity in each hole , and the design inlet water temperature of a heat pump unit on the heat exchange capability .
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热泵式VRV空调系统制热运行能耗及其影响因素分析
Analysis of heating energy consumption of the VRV air conditioning system and its influencing factors
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高效吸收式热泵的GAX技术及市场展望
GAX Technology of High-efficiency Absorption Heat Pump and Prospect for its Market
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R22地源热泵机组单螺杆压缩机循环性能研究
Study on performance of single screw compressor in a closed-circuit ground coupled heat pump with R22
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VRV空调系统与螺杆式风冷热泵空调系统全年能耗比较
Comparison of Energy Consumption Between the VRV Air-conditioning System And the Air-cooled Heat Pump Screw Chiller System
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最后借助MATLAB语言中的优化程序包,对一实际水冷蒸气压缩式空调系统和空气源热泵空调系统负荷率不同的5种工况分别进行优化计算,优化后空调系统的能耗比额定能耗明显降低;
Finally , five different load ratios of water-cooling vapor compression chiller and air source Heat Pump system were optimized with optimization box in MATLAB . After the optimization , the air-conditioning system 's energy consumption drops obviously ;
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建立了带膨胀机CO2跨临界热泵系统的数学模型,将模拟计算结果与实验测量结果进行了比较,验证了模型的准确性。
The mathematical model for transcritical CO2 heat pump system with expander is established , the simulative calculation results are compared with the experimental measurement results , and the accuracy of the model is verified .
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在此基础上,对该热泵&废热回收集成模式用于空间站CO2去除系统和废水再生系统给整个空间站质量和功耗所带来的影响进行了理论分析。
The effects of an integral heat pump-heat recollection model applied to CO 2 removal system and waste water reclamation system on the mass and power consumption of the whole space station are also evaluated .
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对VRV热泵空调系统采暖的经济性进行了分析比较。
The paper compares the economical efficiency of the VRV heat pump air condition system to the traditional heating systems .
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土壤源热泵机组冬季供热性能的数值模拟与实验研究R22涡旋压缩式地源热泵机组循环性能研究
Numerical Simulation and Experimental Study on Heating Operation of GSHP Performance of scroll compression ground source heat pump with R22
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提出一种结构与控制均非常简单的太阳能辅助空气源跨临界CO2热泵空调热水系统,包括太阳能集热系统、CO2热泵系统以及室内室外换热系统;
Puts forward a solar-air compound source transcritical CO_2 heat pump water heater and air-condition system , which is simple and easy-controlled . It includes solar collector , CO_2-heat pump and indoors and outdoors heat exchangers .
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本文围绕带喷射器的CO2热泵热水器系统展开研究,主要内容如下:1、对喷射器的工作原理进行热力学分析,以等压混合理论为基础,应用气体动力学原理建立了喷射器的一维计算模型。
The main researches of this thesis are as follows : 1 . Analyze the thermodynamic process on the ejector . A constant pressure mixing model for ejector is established by the aerodynamics method . 2 .
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燃气发动机驱动热泵型冷热水机(GHP)是以燃气为动力通过驱动压缩机作制冷和供热运转的冷热水机。
The gas engine driven heat pump ( GHP ) can supply heat or cold through gas energy .
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土壤源热泵系统(GroundSourceHeatPumpSystem,GSHPS)因其使用可再生的浅层地热能,被称为是21世纪一项最具有发展前途的、具有节能和环保意义的制冷空调技术。
For utilizing the renewable ground thermal energy , the ground source heat pump system ( GSHP ) is taken as an air conditioning technique which has the greatest developmental future , energy saving and environmental protection advantages in the 21st century .
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以生态学函数为目标,研究传热规律为q△(1/T)的三热源热泵的优化性能,获得一些新的性能界限。
The optimal performance of a three-heat-source heat pump for the heat-transfer law of q △( 1 / T ) is studied by taking an ecological criterion as an objective function , and some new performance bounds are derived .
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某地区每年因地源热泵和太阳能技术的应用而减少排放CO2约为19万吨,减排SO2约4300吨。
Because of the applications of the ground source heat pump and solar technology , it can reduce CO2 emissions of approximately 190,000 tons , SO2 emissions of about 4300 tons every year in this area .
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利用数学模型分析了冷却水进口温度和质量流量、冷冻水进口温度和质量流量对带膨胀机CO2跨临界热泵系统的制冷性能系数及最佳高压侧压力的影响。
The influence of the inlet temperature and mass flow of cooling water and the inlet temperature and mass flow of refrigerant water on refrigerant performance coefficient and optimal pressure at high pressure side of the transcritical CO2 heat pump system with expander is analyzed using the mathematical model .
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根据供热系统的实际运行特点,提出了单位热成本的概念,在此基础上,使用BIN法对水源热泵采暖方案的全年运行能耗进行了计算并与燃气锅炉方案做了对比。
The concept of unit heating cost was presented according to the practical characteristics of the heating system . In addition , using the BIN method , the annual energy consumption of the water source heat pump system was analyzed and compared with gas-fired boiler project .
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本文借助于太阳能热泵多功能复合机计算机辅助测试系统(SAHPM-CAT)对其供热工况下的热物理参数进行测试,在VB语言环境支持下、对CAT系统采集数据进行计算机辅助计算。
The heat physics parameters of a solar assisted heat pump multi-function machine ( SAHPM ) have been measured with the help of a computer assistant testing system ( CAT ) in this paper and the testing data been calculated by using a computer software under the VB language circumstances .
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搭建了新型变浓度容量调节热泵系统实验台,研究了采用R32/R134a为工质时变浓度热泵系统的实际运行效果。
An experiment apparatus for this novel capacity control heat pump is built up . The operation performance of the system is investigated using R32 / R134a mixtures as refrigerant in the system .
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本文分析了不同浓度混合工质R32/R134a和纯质R22理论循环性能,应用新型变浓度实验热泵装置测定了混合工质R32/R134a的变浓度循环特性,并与纯质R22进行了比较。
Theoretical cycle performances of mixture refrigerant R32 / R134a and pure R22 are analyzed . The experimental study on a novel air source heat pump system with altering concentration of mixture refrigerant is carried out by using pure R22 and mixture R32 / R134a respectively .