建环专业外语

TechnicalEnglish ForBuildingEnvironmentandEquipmentEngineering2013Fall Lesson1 WordandExperssionsDynamic动态的 动力的 动力学的 thermodynamic热力学的 使用热动力的entropy熵enthalpyn 热 焓 物 热函 热含量storedenergy储藏能Potentialenergy势能kineticenergy动能shaftwork轴功property性能state状态systemboundaries系统边界beexpressedas表示为 用 表示transfer传递 Lesson1 WordandExperssionscycle循环 refrigerationcycle制冷循环puresubstance纯物质saturated饱和的subcooled过冷的subheated过热的compressed压缩的thefirstlawofthermodynamics热力学第一定律lawofconservationofenergy能量守恒定律CoefficientofPerformance性能系数refrigerationefficiency制冷效率 Lesson1 WordandExperssionsaccountfor说明 占 解决 得分bound范围 限度cocurrent直流同向Carnotcycle卡诺循环Bubblepoint起泡点 始沸点counterflow逆流Expansionvalve膨胀阀heatrejection排热热损失internalcombustionengine内燃机intheabsenceof缺乏 时 在 不在时multistage多级的single stagecycle单级循环 Lesson1 WordandExperssionsserveas适于Specificvolume比容tabulate把 制成表格theproductofThrottle 的乘积 Lesson1 SentenceHeatisthemechanismthattransfersenergyacrosstheboundaryofsystemwithdifferingtemperature alwaystowardthelowertemperatureAprocessisdescribedbyspecifyingtheinitialandfinalequilibriumstates thepath andtheinteractionsthattakeplaceacrosssystemboundaries Lesson1 Sentencetheconceptofirreversibilityprovidesaddedinsightintotheoperationofcycle forexample thelargertheirreversibilityinarefrigerationcycleoperatingwithagivenrefrigerationloadbetweentwofixedtemperaturelevels thelargertheamountofworkrequiredtooperatethecycle COPisdifi