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ID:40621838
大小:120.50 KB
页数:6页
时间:2019-08-05
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1、动力专业英语210102401任课教师:官贞珍第一章Engineeringthermodynamics作业Chapter1homework1.中英互译Chinese-EnglishTranslation(1)热力学(2)高温热源(3)动能(4)过热蒸汽(5)汽轮机叶片(6)reversibleprocess(7)Specificenthalpy(8)Convergentdivergentnozzle(9)steadyflowenergybalance(10)criticalpressure2.用英语简述朗肯循环中的四个理想的基本热力过程brieflydescribe
2、theFouridealbasicthermodynamicprocessesoftheRankinecycleinEnglish图1.朗肯循环Fig1.T-sdiagramofatypicalRankinecycleTheprocess1-2:Theprocess2-3Theprocess3-4Theprocess4-13.英译汉EnglishtoChinesetranslation内容见教材15页第三段。Pleaseseethecontentsinthethirdparagraphonpage15inyourtextbook.Theuseofreheatingp
3、rocessisverycommoninmodernsteampowerplant.……,andthereheattemperatureisfrequentlyequaltothetemperatureofthesteamleavingtheboiler.第二章Fluidmechanics作业Chapter2homework1.中英互译Chinese-EnglishTranslation(1)速度梯度(2)一维稳定流动(3)湍流(4)处于平衡状态(5)速度梯度(6)湍流(7)运动粘度(8)摩擦系数(9)阻力(10)牛顿流体(11)linearrelation(12)
4、mechanicalenergy(13)shearstresses(14)Reynoldsnumber(15)turbulentflow(16)frictionheadloss(17)Bernoulli’sequation(18)boundary-layerseparation(19)suddencontraction(20)minorlosses2.英译汉EnglishtoChinesetranslation内容见教材21页第四段。Pleaseseethecontentsinthefourthparagraphonpage21inyourtextbook.Flui
5、dflowcanbesteadyornonsteady.…….Inthecaseofturbulentflow,suchasrapidsorawaterfall,thevelocitiesvaryerraticallyfrompointtopointaswellasfromtimetotime.第三章Heattransfer作业Chapter3homework1.课后的单词和词组抄写2遍(含中英文)WriteoutWordsandExpressionsattheendofChapter3twotimes.2.英译汉EnglishtoChinesetranslatio
6、n内容见教材37页第三段。Pleaseseethecontentsinthethirdparagraphonpage37inyourtextbook.Inthefilmcondensationprocessthesurfaceiscompletelyblanketedbyaliquidfilm,heattransfernecessary…….Infact,heattransfercoefficientsindrop-wisecondensationmaybeasmuchas10timeshigherthaninfilmcondensation.第四章Heatexch
7、angers作业Chapter4homework1.中英互译Chinese-EnglishTranslation(1)同心套管式(2)管式换热器(3)壳管式(4)紧凑式换热器(5)导热系数(6)总换热系数(7)顺流(8)对数平均温差(9)传热单元数(10)换热器效能(11)fluidizedbed(12)spiralplateheatexchanger(13)plate-fin(14)convectioncoefficient(15)counterflow2.英译汉EnglishtoChinesetranslation内容见教材62页倒数第一段(包括△Tm公式)
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