流体力学专业英语词汇.pdf

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1、流体力学专业词汇(VocabularyofFluidMechanics)CHAPTER-1acceleration加速度averagevelocity平均速度Bernoulli伯努力boundarylayer边界层calculus微积分coefficientofviscosity粘性系数compressible(incompressible)(不)可压的conservationofmass(momentum,energy)质量(动量,能量)守恒continuum连续介质control-volume控制体density(massperunitvolume)密度d

2、ifferential微分dimension量刚尺度dynamics动力学Euler欧拉eulerian(lagrangian)methodofdescription欧拉(拉格郎日)观点，方法fieldofflow流场flowpattern流型（谱）fluidmechanics流体力学function函数inertia惯性,惯量integral积分kinematics运动学kinetic(potential,internal)energy动(势,内)能Lagrange拉格郎日liquid流体Newtonianfluids牛顿流体(non)linear(非)线性

3、(non)uniform（非）均匀one-dimensional一维pathline迹线perfect-gaslaw理想气体定律pressure压力压强Reynolds雷诺shear(normal)stress剪(正)应力solution解答statics静力学steady(unsteady)(非)定常strain应变streamline(tube)流线(管)thermalconductivity热传导thermodynamics热力学variable变量vector矢量velocitydistribution速度分布velocityfield速度场veloc

4、itygradient速度梯度viscous(inviscid)(无)粘性的volumerateofflow体积流量CHAPTER-2absolute(gage,vacuum)pressure绝对（表，真空）压力areamomentofinertia惯性面积矩atmosphericpressure大气压力barometer气压计bodyforce体力Cartesian[rectangular]coordinates直角坐标（系）centroid质心elliptic椭圆的equilibrium平衡horizontal水平的hydrostatic水静力学，流体静力

5、学hyperbolic双曲线的mercury水银moment矩parabolic抛物线plane(curved)surface平（曲）面plate板pressurecenter压力中心pressuredistribution(gradient)压力分布（梯度）reservoir水库rigid-body刚体scalar标量specificweight比重surfaceforce表面力vertical垂直的,直立的CHAPTER-3Bernoulliequation伯努力方程Boundaries边界Conservationofmass质量Controlvolume

6、控制体Energy(hydraulic)gradeline能级线Flux流率Freebody隔离体Heattransfer热传到Imaginary假想Inlet,outlet进、出口Integrand被积函数Jetflow射流Linear(Angular)-momentumrelation线（角）动量关系式Momentum(energy)-flux动量（能量）流量Netforce合力Noslip无滑移Nozzle喷嘴Rateofwork功率Reynoldstransporttheorem雷诺输运定理Shaftwork轴功Stagnationenthalpy制止

7、焓Surroundings外围System体系Timederivative时间导数Vectorsum矢量合Venturitube文图里管Volume(mass)flow体积（质量）流量Volume(mass)rateofflow体积（质量）流率CHAPTER-4Soomth平滑Laminar层流Transition转捩Roughness粗糙度Randomfluctuations随机脉动Reynoldsnumber雷诺数（Re）Instability不稳定性Breakdown崩溃Meanvalue平均值Drag阻力OsborneReynoldsDyefilame

8、nt染色丝Internal(exter