蒸发温度

结果表明，蒸发温度和反应压力对纳米ZnO晶须的形态，即分形维数具有显著影响。

The results show that the evaporating temperature and reaction pressure are the key procedure parameters .

在一定的冷凝温度和蒸发温度下，随着混合制冷剂中CO2的质量分数增加，循环单位制冷量和压力比都增大；

And when giving the evaporating temperature and condensing temperature , the increasing mass fraction of CO2 enhance refrigerating output by unit mass refrigerant and compression ratio .

在发生温度90℃、蒸发温度0℃、冷凝温度34℃的条件下，系统COP可以达到0.182。

A COP of 0.182 can be achieved at generating temperature 90 ℃, evaporating temperature 0 ℃ and condensing temperature 34 ℃ .

在较低CO2跨临界循环蒸发温度和压缩机效率时，此循环相对基本循环有明显优势。

CO_2-NH_3 compression / ejection cascade cycle has an advantage over the basic CO_2 transcritical cycle when the evaporating temperature and the efficiency of compressor is relatively low .

制冷剂CO2在蒸发器内的流动换热性能受许多因素的影响，比如：质量流速、热流密度以及蒸发温度等参数。

The boiling heat transfer performance of refrigerant carbon dioxide in evaporators is influenced by many factors , such as the mass flux , heat flux and evaporation temperature , etc. .

当冷却水温度为27℃、蒸发温度为-18.9℃时，系统的SCP仍然高达356.5W.kg-1。

At a cooling water temperature of 27 ℃ and an evaporating temperature of - 18.9 ℃, SCP was still as high as 356.5 W · kg-1 .

单级蒸气压缩式CO2跨临界制冷循环的理论分析表明：蒸发温度、气体冷却器出口温度和高压压力对循环性能的影响较大。

Theoretical analysis on CO2 transcritical single stage compression refrigeration cycle is made . Results indicate that the evaporation temperature , gas cooler exit temperature and heat rejection pressure have important influence on the system performance .

通过实验，绘出不同蒸发温度下加热水箱的温度变化曲线、热泵制热量变化曲线与热泵COP变化曲线，进而对热泵的运行工况做出分析。

Through experiments , drawn different evaporation temperature heating water temperature curve , curve and thermal heat pump heat pump COP curve , then analysis the heat pump operating conditions . 3 .

探讨了提高复合制冷循环系统COP的几个关键问题，包括喷射器的设计、工作温度、冷凝温度、蒸发温度等，并对复合制冷循环系统的发展作了展望。

Discusses several key issues to raise COP value of complex ejecting refrigeration cycle , including design of ejector , working temperature , condensation temperature , evaporation temperature etc. Prospects its development .

在蒸发温度为3℃时，GAX循环系统最低临界热源温度值随冷却水温度的提高而升高；

Meanwhile , the lowest critical heat reservoir temperature of GAX cycle would increase when the temperature of cooling water increases .

随着气体冷却器侧空气进口温度的降低、流速的增加、蒸发温度的升高，系统的COP均逐渐增大。

When the evaporating temperature increases , the COP increases . And if the air inlet temperature of gas cooler decreases or the air inlet velocity of gas cooler increases , the COP of system increases too .

在模拟方面，本文先对系统进行了热力模拟，得出了制热量、制热系数COP等参数随物料蒸发温度、过热度和过冷度的关系。

In simulation , at first we simulated thermodynamics of the system , obtained heat capacity , heating coefficient ( COP ) and other parameters changed with the material evaporating temperature , superheating temperature and undercooling temperature .

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 .

XPS，IR及能谱分析表明：当沉积温度低于锌蒸发温度时，生成的ZnS中与锌有关的晶体缺陷有Zn&H功能团及存在于花瓣状形态中心的锌微粒夹杂；

XPS , IR and energy spectrum analysis results demonstrate that zinc related crystal defects in deposited zinc sulphide contain fine zinc particles existing in the center of petal and zinc hydrogenide when deposition temperature is lower than that of zinc evaporation .

结果表明：随蒸发温度升高，预热器换热面积、压缩机功率增大，升膜蒸发器换热面积、强制循环蒸发器换热面积、制热能效比COP减小。

The result indicated that the heat exchange area of preheater and Compressor power increases , and the heat exchange area of climbing film evaporator , forced circulation ( type ) evaporator and COP reduced as the evaporation temperature raised .

9月份开始至次年的2月份，闪蒸工艺采用真空度0.06MPa，蒸发温度75℃。

From September to February of next year , they are 0.06 MPa and 75 ℃ .

在2.0×10-4Pa的氧气氛中180℃温度退火下，覆盖的Zn会被部分氧化形成ZnO，还有部分Zn因其在真空中的低蒸发温度而逸出表面。

When the deposited Zn film is annealed at 180 ℃ in oxygen flux with the pressure of 2.0 × 10-4 Pa , it could be partly oxidized to form ZnO . Part of Zn atoms could escape from the surface due to its low evaporation temperature in UHV condition .

结果表明，双效循环在冷却水温度低于30℃且蒸发温度高于-15℃的条件下有较高的COP值，但其所需热源温度比其他两种对照循环的高。

The results showed that the double-effect NH3-H2O absorption cycle had higher COP value at cooling water temperature lower than 30 ℃ and evaporation temperature higher than-15 ℃ . However , the temperature of heat source should be higher than that of the other two reference cycles .

通过改变热源温度、蒸发温度、循环周期等参数，获取多组实验数据，该样机在100℃热源驱动下SCP达到150W/kg，COP达0.4

By means of many experiments , SCP and COP versus evaporating temperature , cycle time and heat source temperature are obtained . A group of optimum operative parameters are chosen . The developed new system has a COP of 0.4 and a SCP of 150W / kg

为实现变蒸发温度和冷凝温度模式下的能耗仿真，利用了基于实验数据拟合而得到的性能曲线来模拟VRF系统在改变蒸发温度和冷凝温度情况下的能耗，具有广泛的适用性。

To achieve energy simulation of variable evaporation temperature and condensation temperature control mode of VRF system , using the experimental data obtained based on the performance curves to simulate the VRF system when changing the evaporation temperature and the condensing temperature .

当料液蒸发温度相同时，冷凝器出口过冷度越高，系统COPH越高，料液蒸发量增大，工质流量不变。

And when the evaporation temperature is fixed , higher the degree of subcooling can achieve higher system COPH and higher evaporation capacity while working fluid flow rate remains unchanged .

针对这种小型的海水淡化热泵装置，以3.6kg/h的淡水产出率为设计参数，确定了该装置的标准运行工况，即冷凝温度、蒸发温度、海水的补充流量等。

With the product water rate of 3.6kg/h as the design parameter , the device 's standard operation conditions were determined , i. e. , condensation temperature , evaporation temperation , sea water make-up flow etc.

在相同蒸发温度下，随着吸气过热度的增大，系统COPH在所选范围内变化不明显，而料液蒸发量缓慢增大，工质流量减小。

With the increase of suction superheat at the same evaporation temperature , the system COPH did not change significantly within the selected range , while the evaporation capacity slowly increases and the working fluid flow rate decreases .

热力膨胀阀-旨在保持适当的蒸发温度。

Thermostatic Expansion Valve-designed to maintain the proper evaporator temperature .

蒸发器蒸发温度过高对奶粉质量的影响

The Effect of High Evaporation Temperature in Evaporator on Milk Powder Quality

负荷变化对蒸发温度的影响分析

Analysis for the effects of the cooling load on the evaporating temperature

喷射器工作的蒸发温度应高于设计蒸发温度。

The evaporating temperature should be higher than the design evaporating temperature .

两个蒸发温度合用一个中间冷却器时中间温度的计算

The calculation of the intermediate temperature of the intercooler with two evaporating temperatures

基于排风机电流和蒸发温度联合控制的除霜实验

Experiments on defrosting control based on exhaust fan current combined with evaporation temperature

蒸发温度越高，换热系数越高。

Heat transfer coefficient rise with evaporating temperature increasing .