最新[考研英语]化工原理专业词汇教学讲义ppt.ppt

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1、[考研英语]化工原理专业词汇FluidFlow1流体静力学fluidstatics;hydrostatics流体动力学fluiddynamics;hydrodynamics连续性方程equationofcontinuity柏努力方程Bernoulliequation阻力损失lossofresistance局部阻力localresistance牛顿与非牛顿流体Newtonianandnon-Newtonianfluids速度梯度velocitygradient剪切应力shearstress速度脉动velocityfluctuation边界层的形成boun

2、dary-layerformationFluidFlow2黏度viscosity牛顿黏性定律Newton’lawofviscosity/friction雷诺实验Reynolds’experiment层流laminarflow湍流turbulentflow无量纲数群或准数non-dimensionalnumber边界层boundarylayer边界层分离boundary-layerseparation速度脉动velocityfluctuation流动阻力fluidresistance摩擦系数frtictionfactor量纲分析dimensionalan

3、alysis无量纲数群dimensionlessgroupMechanicalSeperations均相混合物homogeneousmixtures非均相混合物heterogeneousmixtures筛分screening过滤filtration过滤介质filtermedia助滤剂filteraids饼层过滤cakefiltrationMechanicalseperations滤液filtrate过滤介质阻力filter-mediumresistance恒压过滤constant-pressurefiltration滤饼阻力cakeresistance

4、滤饼洗涤washingfiltercakes置换洗涤displacementwashing离心过滤centrifugalfiltrationMechanicalseperations滤浆slurry滤饼cake重力沉降过程gravitysettlingprogress降尘室dust-settlingchamber沉降sedimentation沉降槽/增稠器gravitythickener离心沉降centrifugalsettlingMechanicalSeperations间歇压滤机discontinuouspressurefilter连续过滤离心机c

5、ontinuousfilteringcentrifugals转筒真空过滤机rotaryvacuumfilter分级器sortingclassfier旋风分离器cyclonesHeatTransfer1热传递heattransfer/transport；heattransmisson热传导heatconduction;thermalconduction对流convection自然对流naturalconvection强制对流forcedconvection导热系数heat/thermalconductivity;heattransfercoefficie

6、nt焓enthalpyTopicalHeat-transferEquipmentHeatTransfer2温度分布temperaturedistribution物理性质physicalproperty付立叶定律Fourier’slaw稳态导热steady-stateconduction热阻thermalresistance算术平均温度arithmeticaveragetemperatureHeatTransfer3圆筒壁thick-walledcylinder换热器heat-exchangeequipment套管换热器double-pipeheatex

7、change单程管式换热器single-passtubularheatexchange冷流体入口cold-liquidinlet热流体出口warm-liquidoutletHeatTransfer4逆流与并流countercurrentandparallel-currentflowscountercurrentflowi.ecounterflow焓衡算enthalpybalance局部温差localtemperaturedifference总传热系数overallheat-transfercoefficient对数平均温差logarithmicmean

8、temperaturedifference(LMTD)HeatTransfer5换热器的端温差