工热名词-英语

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重要热力学概念及定理英文表述KeythermodynamicConceptsandLaws
EnergyandSpecificEnergy能量和比能量EnergyTransferRate(1W=1J/s,kW功率Thermodynamics热力学MassandDensity质量和密度Length长度Velocity速度
Volume(SpecificVolume体积(比体积)ForcePressure压强SpecificHeat比热
UniversalGasConstant(8.314kJ/kmol∙K通用气体常数Temperature温度
System,Surroundings,Boundary热力系,外界,界面
ClosedSystem,IsolatedSystem,ControlVolume闭口系,孤立系,控制体积Property,State,Process,Steadystate,Extensiveproperty,Intensiveproperty状态参数,状态,过程,稳态,广延量,强度量Equilibrium,Equilibriumstate平衡,平衡状态
Baseunit/mass,time,length,force基本单位/质量,时间,长度,力Specificvolume比容Molarbasis基于摩尔的
Pressure/Absolutepressure,Gagepressure,Vacuumpressure压力/绝对压力,表压力,真空度
Temperature/Thermal(heatinteraction,Thermalequilibrium温度热交换热平衡Zerothlawofthermodynamics热力学第零定律Kelvinscale,Celsiusscale,Fahrenheitscale,Triplepoint开尔文温度,摄氏度,华氏温标,三相点

Thermometers温度计
Work,kineticenergy,gravitationalpotentialenergy功,动能,重力势能Thermodynamicdefinitionofwork,signconventionforwork功的热力学定义,
W>0:workdonebythesystem热力系对外界做功W<0:workdoneonthesystem外界对热力系做功Workisnotaproperty功不是状态参数
Power(therateofenergytransfer,unitsforpower(J/s功率(能量转换率)ExpansionorCompressionWorkδW=pAdx=pdV膨胀功,压缩功Quasi-equilibriumprocess准平衡态过程
Energytransferbyheat,Signconventionforheattransfer
Q>0,heattransfertothesystem热量传递给热力系Q<0,heattransferfromthesystem热力系放出热量Heatisnotaproperty热量不是状态参数FirstLawofThermodynamics热力学第一定律Energybalance能量守恒Internalenergy内能
Thermodynamiccycle热力学循环Powercycle动力循环Thermalefficiency热效率
Refrigerationandheatpumpcycle制冷和热泵循环
coefficientofperformanceforrefrigerationandheatpump制冷系数,供热系数PhaseStateprinciple
Simplecompressiblesystems简单可压缩系统p-v-Tsurfacep-v-TTwo-phaseregions两相区Saturationstate饱和状态Saturationtemperature饱和温度

Saturationpressure饱和压力Criticalpoint临界点p-vdiagramP-VT-sdiagramT-S
Subcooledliquid,compressedliquid过冷液体Two-phaseliquid-vapormixture气液两相混合Qualityx干度
Superheatedvapor过热蒸汽Enthalpy
Referencestate对应状态Referencevalues对应状态值Idealgasmodel理想气体模型Specificheat比热
Compressibilityfactor(Z压缩因子Reducedpressure(pr=p/pc相对压力Reducedtemperature(Tr=T/Tc相对温度
GeneralizedCompressibilityChart[Z=f(pr,Tr]通用压缩因子图Idealgasequationofstate理想气体状态方程Polytropicprocess多变过程Conservationofmass质量守恒Massflowrate质量流量Massratebalance稳流Volumetricflowrate体积流量Flowwork流动功
One-dimensionalflow一元流动
Time-dependent(transientstate和时间相关的状态EnergyratebalanceNozzle喷管Diffuser扩压管

工热名词-英语

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