1) Number System
数制,数系
2) refrigeration coefficient
制冷系数
1.
Further analysis of the effect on the refrigeration coefficient with the superheat of the refrigeration cycle;
制冷循环的过热对制冷系数影响的探讨
2.
The effect on the ratio of refrigeration coefficient with the super-cooling of the refrigeration cycle;
制冷循环的过冷对制冷系数比值的影响
3.
Based on the principles of classic thermo-dynamics,the paper has a therotical research in refrigeration coefficient of the ideal reversible Garnotcycle and the actual irreversible cycle.
从经典热力学的基本理论出发,对理想可逆卡诺循环和实际不可逆卡诺循环的制冷系数进行了理论研究,证明了理想可逆卡诺循环的制冷系数是最高系数,分析了实际情况下制冷系的制约因素,为提高制冷系数提供了理论指导。
3) COP
[英][kɔp] [美][kɑp]
制冷系数
1.
Optimization of cooling load and COP for an irreversible Brayton refrigerator with variable temperature heat reservoirs;
变温热源不可逆布雷顿制冷循环制冷率和制冷系数优化
2.
The analytical formulae about cooling load,COP(coefficient of performance),exergy loss rate,exergy output rate and ecological criterion of the irreversible refrigeration cycle are derived.
用有限时间热力学理论和方法分析了热漏、热阻和其它不可逆性对定常流普适制冷循环模型性能的影响,导出了由两个绝热过程、两个等热容吸热过程和两个等热容放热过程组成的不可逆制冷循环的制冷率、制冷系数、火用损失率、火用输出率和生态学性能,并由数值计算分析了循环过程对循环性能的影响特点。
3.
The analytical formulae about cooling load,COP,exergy loss rate,exergy output rate and ecological function of the endoreversible universal steady-flow refrigeration cycle consisting of one heating branch,one cooling branch and two adiabatic branches with heat resistance loss are derived.
用有限时间热力学方法分析了一类普适定常流内可逆制冷机循环,导出了存在传热损失时,由一个吸热过程、一个放热过程和两个绝热过程组成的一类普适的定常流内可逆制冷机循环的制冷率、制冷系数、损失率、输出率和生态学性能,并由数值计算分析了循环过程对循环性能的影响特点。
4) coefficient of performance
制冷系数
1.
Quantum degeneracy effect on the coefficient of performance from a Stirling refrigeration cycle;
量子简并对斯特林制冷循环制冷系数的影响
2.
The influence of coefficient of performance(COP) and quantity of refrigeration(Qref)were investigated with evaporating temperature and final desor.
采用不同浓度磷酸溶液浸渍法改性ZSM-5沸石分子筛,测定温度为303 K时不同浓度改性试样的饱和吸附量,筛选出最佳改性试样并测定其吸附等温线;在此基础上对最佳改性试样进行制冷性能预测,采用D-A方程简略式进行吸附制冷模拟仿真,探讨冷凝温度、脱附温度对系统制冷系数(COP)及制冷量(Qref)的影响。
3.
The experiment results show that the temperature difference between inlet and cold air outlet, the unit refrigeration and the coefficient of performance increases with the increase of the length of vortex tube under the same cold fraction with ambient temperature and inlet pressure of 0.
5Mpa的情况下,相同冷流率时,随着热端管长度的增加,涡流管的制冷温度效应、单位制冷量和制冷系数增加,而其制热温度效应无显著的规律;对同一热端管长的涡流管,随着冷流率的增加,涡流管的制冷温度效应、单位制冷量和制冷系数增加,且在冷流率为40%-50%时出现峰值,而制热温度效应随冷流率的增加而增加,在冷流率范围内未出现峰值。
5) modulation index
调制系数
1.
According to modulation index value,the scheme have three modes in whole district: linear modulation mode,overmodulation modeⅠ and overmodulation mode Ⅱ.
该控制策略将整个控制区域按照调制系数的大小分成三种工作模式,线性调制模式、过调制模式Ⅰ和过调制模式Ⅱ。
2.
Two control methods to balance the voltage of capacitors of three--level voltage source inverter by the differentphase--shift angle and by the different modulation index of switching function on positive and negative half wave are proposed.
提出了两种均衡三级电压源逆变器直流侧电容电压控制方法 ,并进行比较 ,认为开关函数正负半波采用不同的移相角的控制方法与采用不同的调制系数的控制方法 ,都可以达到均衡三级电压源逆变器直流侧电容电压的目的 ,且后者更为可靠。
6) COP
[英][kɔp] [美][kɑp]
制热系数
补充资料:数制
数制: 虽然计算机能极快地进行运算,但其内部并不像人类在实际生活中使用的十进制,而是使用只包含0和1两个数值的二进制。当然,人们输入计算机的十进制被转换成二进制进行计算,计算后的结果又由二进制转换成十进制,这都由操作系统自动完成,并不需要人们手工去做,学习汇编语言,就必须了解二进制(还有八进制/十六进制)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条