性能系数

因而，逆串联TC循环是一种既具有较高的热力性能系数，又具有较低的发生温度、发生压力的三效循环。

So the cycle is a more valuable cycle which has more higher COP value and lower generator temperature and pressure .

单级压缩时如果系统中带有膨胀机，采用吸气热交换器可以提高制冷量，但对性能系数（cop）值的影响不大；

To the single stage cycle with an expander , a suction line heat exchanger will increase the cooling capacity , but have little effect on cop ;

Air（初三适用）空调器性能系数的讨论

On the Performance Coefficient of Air Conditioner

研究结果表明，在间歇运行工况下，供热性能系数COP平均值为4。

The result shows : under the intermittent operation mode , the average value of COP is4 .

开发CO2膨胀机代替节流阀是提高CO2跨临界循环系统性能系数的一个有效途径。

As the replacement of throttling valve , CO_2 expander is a significant way to improve the coefficient of performance of the CO_2 transcritical cycle .

热泵性能系数COP包括制热性能系数和制冷性能系数。

The heat pump performance coefficient of the COP includes heating coefficient of performance and the refrigerating coefficient of performance .

吸收式制冷的优势在于可用低势热源驱动并以环保无公害流体作为工作介质，缺点是性能系数（COP）较低。

Absorption refrigeration can use low thermal potential energy as its power and environment friendly fluids as its working substance .

并以热泵机组实际运行数据为准，进行热力循环计算，得到热泵性能系数COP。

According to the on-the-spot investigation data , The thermodynamic cycle is calculated for heat pump performance coefficient of the COP .

电机长期工作在低负荷时的效率和功率因数均较低，降低了空调机组的性能系数COP，增加了空调机组的能耗。

The property coefficient COP of air conditioner system reduced and its consumption increased when the electrical motor operated at lower load .

设计条件下系统性能系数（COP）为0.65，不低于同类闭式循环吸收式热泵系统。

The coefficient of performance ( COP ) of the system is 0.65 , which is not less than the COP of the closed cycle .

研究表明，在相同的实验设备及实验工况下，与风机盘管运行模式相比，辐射吊顶运行模式下，吸收式制冷机组的制冷量和性能系数COP都得到了提升。

It was suggested that compared with an coil operation mode , under cooling ceiling operation mode , both cooling capacity and COP of absorption chiller were improved .

在CO2循环中可利用无吸排气阀的回转式压缩机，用膨胀机代替节流阀，以提高R290/CO2复叠式制冷循环的性能系数。

The coefficient of performance of R290 / CO_2 cascaded refrigeration cycle can be enhanced by using rotary compressor without suction and discharge valves and by replacing throttle with expander in CO_2 low temperature cycle .

本文研究影响空调机部分负荷特性的因素，并根据季节性能系数SEER的提出，分析压缩机容量调节的必要性。

By way of analysing Seasonal Energy Efficiency Ratio , this paper investigates the necessity of capacity control for compressor .

结果表明，单支太阳能冷管制冷量可以达到200kJ，性能系数COP约为0.24~0.28之间。

The experimental result and performance effect show that a solar cooling tube 's cooling capacity is 200 kJ and the coefficient of performance ( COP ) is between 0.24 ~ 0.28 .

根据空调负荷连续性和冷水机组承担负荷非连续性的特点，以及冷水机组的性能系数（COP）与其部分负荷率R有关的特性，提出一种基于最佳COP的冷水机组负荷分配方法。

According to the characteristics of continuous load and non-continuous chillers output and the relation between coefficient of performance ( COP ) and part load ratio of a chiller , an online optimal operation strategy was presented .

通过实地测试，对研究对象冬季供暖工况运行特性和参数匹配进行了试验研究，计算了该系统的性能系数（COP值），分析了其运行状况；

Based on experiment , the performance of the lake water heat pump system at heating mode was studied , its energy consumption and Coefficient of Performance ( COP ) were calculated and analyzed .

在较高的热源温度下，吸收制冷系统需采用双效再生流程提高制冷性能系数COP，从而却使只用氨作为制冷剂的系统再生操作压力大幅度增高。

The two-stage generation is adopted at higher heating temperature in absorption refrigeration system for higher coefficient of performance ( COP ), but the generation pressure increases to a great extent only with ammonia as refrigerant .

本文对TFE/NMP吸收式热泵的理想循环进行了模拟，研究了主要操作参数如蒸发温度、冷凝温度、循环倍比、进料浓度等对性能系数COP的影响并结合试验结果得出了最优参数。

The effect of main operation parameters ( evaporation temperature , condensation temperature , cycle ratio and the concentration of weak solutions ) on the coefficient of performance ( cop ) was studied . The optimal parameters are obtained .

用热力学第一定律和第二定律，对三种双级压缩带膨胀机的CO2跨临界循环进行热力学分析，并分别从系统的性能系数、效率、中间压力以及排气温度等方面进行了比较。

Three types of CO 2 transcritical two-stage compression cycles with expanders are analyzed by both the first and the second laws of thermodynamics . The coefficient of performance , exergy efficiency , inter-stage pressure and discharge temperature for the three cycles are compared respectively .

另外，研究CRPMs基于力传递性能系数的可控工作空间的分析方法。

Also , force transmission index based workspace analysis of CRPMs is conducted .

通过对其进行技术可行性、全年能耗和综合性能系数进行分析，结果表明房间空调+热水的CO2耦合系统在能源利用、环境安全和经济运行等方面都具有优势和潜力。

Through analysis on the technology feasibility , annual power consuming and comprehensive coefficient of performance , it indicates that the CO_2 transcritical cycle system combined room air-conditioner and heat pump water-heater is preponderant and potential in effectively utilizing energy , environment protection and economical operation .

计算结果表明，在ARI标准工况下，全新风回热型空调系统的制冷性能系数（COP）高于全新风空调系统2.3倍。

From the calculation results , it is indicated that at the standard ARI conditions , the heat recovery system has a higher coefficient of performance ( COP ) than the full fresh system by 2.3 times .

测量了该空调器在不同室外温度、湿度条件下制热量、性能系数（COP）、系统循环参数、室外换热器结霜量及壁面温度分布随结霜时间的变化。

The transient heating capacity , coefficient of performance ( COP ), cycle parameters of the ASHP system and frost accumulation amount on the outdoor heat exchanger surface , wall temperature distribution along the heat exchange tubes are measured under frosting conditions .

在一定范围内冷水机组制冷量与冷水流量呈线性变化，系统的性能系数COP基本保持稳定，这为冷水泵的节能运行提供了良好的依据；

Cooling capacity of chiller is linear with chilled water flow rate in a certain scope and the coefficient of performance ( COP ) of chiller is basically constant , which provides guidance for energy saving operation of the chilled water pumps ;

研究了在CO2作为低沸点工质时，高沸点工质和中沸点工质对系统压比和性能系数COP的影响，以及这些性能参数随系统中CO2摩尔含量的变化情况。

The influences of high boiling point refrigerants and middle boiling point refrigerants on the COP and pressure ratio of the system are investigated , and the corresponding changes of COP and pressure ratio of these mixtures with the change of carbon dioxide mole fraction are got .

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 .

装填该复合吸附剂的吸附式空调不但可以获得比装填纯硅胶时高得多的比制冷功率SCP，而且系统性能系数COP也明显高于纯硅胶系统。

Simulation study showed that the adsorption air conditioner filled with the composite adsorbent could obtain a higher coefficient of performance ( COP ) and , more importantly , a much higher specific cooling power ( SCP ) than pure silica gel system .

当温升为60℃时，其性能系数为0.22，灯用效率为0.45，单位质量TFE的制热量为130kJ/kg。

When temperature lift is 60 ℃, the coefficient of performance , exergy efficiency and the heat released in absorber for per unit mass of TFE leaving the generator are 0.22 , 0.45 , 130 kJ / kg respectively .

模拟了太阳能制冷及供暖综合系统热水系统一天的水温变化、辅助热源逐时变化，并在此基础上给出了太阳能空调系统制冷性能系数COP和供暖性能系数FNP值。

This paper simulates the change of the hot water temperature and the instantaneous power of the assistant heater of the solar air-conditioning system in a day and after that the COP and FNP of the solar air-conditioning system are also achieved .

结果表明，地下换热量随运行时间的延长逐渐下降，该阶段平均单位井深换热量46.23w/m，系统供热性能系数3.49w/w。

The average quantity of heat per meter of the borehole and coefficient of performance of the system are 46.23w/m and 3.49w/w respectively in this phase .