曝光台 注意防骗
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static pressure probe 静压探头[针]
stagnation pressure 滞止压强
simultaneously 同时地
Pitot-static tube 皮托静压管
pitot tube 皮托管
staic holes 静压测孔
stagnation hole 总压测孔
6.2 Differential Analysis of Fluid Motion 流体运动微分分析
sharply different 明显不同的
point to point description of flow 对流动逐点描述
heat transfer coefficient 热传递系数
necessitate 使必要
appeal 诉诸（to）
resulting equations 最后的方程
differential equation 微分方程
algebraic equation 代数方程
take into account 考虑
momentum equation 动量方程
involved =complicated and difficult to understand
(Eexample sentence: The equations get very involved when viscous forces are considered along with other forces.)
Navier-Stokes Equations 纳维尔-斯托克斯方程
postpone vi. 延迟 vt.把…放在后面，使延期
derive 推导
stream function 流函数
kinematics of fluid motion 流体运动学
circulation 环量
irrotationality 无旋
velocity potential 速度势
uniform flow 均匀流
source 源
sink 汇
vortex flow 涡流
superpose 迭加
differential control volume 微元控制体 52
Taylor series expansion 泰勒级数展开
cancel out 消去
gradient operator 梯度算子
cylindrical polar coordinates 圆柱坐标系
stream function 流函数
(Stream function is a very useful device in the study of fluid dynamics and was arrived at by the French mathematician Joseph Louis Lagrange in 1781.)
deformation of the element (流体)微元的变形
translation 平动
linear deformation 线变形
rotation 旋转
angular deformation 角变形
(Example sentence: It appears that the complex deformation of the element can be split into four basic constituents –translation, linear deformation, rotation, angular deformation.)
Figure: Basic Deformation of A fluid Element
write down an expression 写下一个表达式
undergo 经历
stretch in x-direction 在x方向伸长
volume dilatation rate of the element 流体微团的体积膨胀率
irrotational flow 无旋流
rate of shear strain 剪切变形率
6.3 Flow Similarity 流动相似
non-dimensional numbers 无量纲参数
thought and planning 思考和计划
thoughtless experiment 没有思考(创意)的实验
render 描述；呈递；诠释 (⇒render them in a concise and understandable manner)
dimensional analysis 量纲分析
concrete 具体的；混凝土的
unruly 难控制的；不守法的；不服从的
ironical=ironic 讥讽的；说讥讽话的；用反语的
compactness 紧凑
similitude n. ①相似(性)，类似(物),对应物，副本，复制品 ②像，同样 ③比喻
principle of similitude 相似原理
prototype 原型机
laboratory 实验室
fabricate a model 加工一个模型
Buckingham Pi Theorem П 定理
identification of variables 变量确认
repeating variables 重复变量
intuitively 直觉地
enable 使…可能
variables 变量
diversified fields 多种领域
botany 植物学
social sciences 社会科学
(Example sentences: It is used in diversified fields such as Botany and Social Sciences and books and volumes have been written on this topic.)
flow of interest 有价值(感兴趣)的流动
functional relationship 函数关系
somewhat different from 有点不同于
inverse a. 逆的；相反的；反的; 反函数的；倒(位,置,转,相)的 n. ①反(面,数), 逆(量), 逆矩阵 ②倒数(量)
the inverse of Reynolds number Re数的倒置， Re数的倒数
outline v. ①概述，略述 ②勾勒(事物的轮廓） n. ①概述, 梗概②轮廓线，略图
realise 认识；体会
deeper physical significance 更深的物理意义
It turns out that 结果是…，证明是…
inertial force 惯性力
viscous force 粘性力
encounter 遭遇，碰到
Froude Number 复劳德数
Weber Number 韦勃数
pressure coefficient 压力系数
Prandtl number, Pr（普朗特）数 (⇒Prandtl，a leading German Aerodynamicist)
ration of specific heats 比热比
roughness ratio 粗糙度比
skin friction 表面摩擦力
model and prototype 模型和原型机
geometrical similarity 几何相似
kinematic similarity 运动相似
dynamic similarity 动力相似
tradeoff n. ①折衷(办法,方案), 权衡, 综合 ②换位 ③比较评定, 协调
6.4 Boundary Layer Flow 附面层流动
stationary 静止的
moving 运动的 53
no-slip condition：无滑移条件 (⇒The fluid does not slip past the solid in contact.)
a typical effect of viscosity 一个典型的粘性效应
formation of a boundary layer 附面层的形成
flat plate 平板
uniform inviscid flow 均匀无粘流
get into action 起作用，生效
velocity gradient 速度梯度
set up 建立
thickness of boundary layer 附面层厚度
immersed and moving in a fluid 浸没于流体中运动
manifestation n.①表明[示] ②表现形式, 体现, 现象, 象征 ③公开声明
laminar boundary layer 层流附面层 (⇒The flow takes place in layers, i.e., each layer slides past the adjacent layers.)
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低速空气动力学词汇表(38)
