曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
performance of a propeller 螺旋桨性能
fans or windmills 风扇或风车
blade element theory 叶片单元理论
hub 轮轴
axial and angular momentum 轴向动量和角动量
non-linear equation(s) 非线性方程
overall performance of the propeller 螺旋桨整体性能
secondary effect(s) 二次效应
tip vortex 梢涡
radial components of flow 流动的径向分量
over-predict 过大预示
under-predict 过小预示
cruise speed 巡航速度
limitation 局限(性)
thrust 推力
torque 矩
subdivision n. 再分,细分 55
subdivide v. 再分,细分
(A propeller blade can be subdivided as shown into a discrete number of sections.)
propeller blade 螺旋桨叶片
inflow factors 入流参数(因子)
complexity 复杂性
arise 出现
roughly equal to 粗略等于
slipstream 滑流
swirling nature 旋流特性
axial and circumferential directions 轴向和周向方向
unsteady effects due to the propeller's rotation 螺旋桨旋转引起的非定常效应
momentum flow rate 动量流量
in conjunction with 和…一起[共同,会合],连同…一起
bypass and core gas streams 旁路和核心流
turbo-fan engine 涡扇发动机
final form(s) of 最终形式
flight Mach number 飞行马赫数
nonlinear system of equations 非线性方程组
engine conditions/geometry 发动机条件/几何形状
unknown variables 未知变量
iterative solution 迭代解(法)
compressor pressure ratio (CPR) 压缩机压力比
solution procedure 求解步骤
have converged to within a specified tolerance 收敛到一个指定的容限范围内
fan pressure ratio (FPR)风扇压力比
bypass ratio (内外)涵道比,流量比
It should be noted that 应该注意的是
fuel-air ratio 燃料-空气比
convergence enhancing technique(s) 收敛加强技术
fuel consumption 燃料消耗
medium ['mi:diəm] n. 介质,媒体 a. 中间的,中等的
Crank-Nicholson under-relaxation ***欠松弛
propeller thrust and torque coefficients and efficiency 螺旋桨推力和矩系数及效率
intermediate [intə 'mi:djət] a. 中间的,居中的,中级的 n. 中间物,仲裁者 v. 调解,介入
gas turbine ideal cycle analysis 然气涡轮理想循环分析
(Example sentences: Turbofans in civil aircraft are generally divided intro three classifications, based on by-pass ratio: low bypass (1:1), medium bypass (2 or 3:1), and high bypass (4:1 or greater). In a low by-pass engine, the fan and compressor section utilize approximately the same mass airflow, but the fan discharge will generally be slighter greater than that of the compressor. A medium, or intermediate, by-pass engine has an airflow by-pass ratio of between 2:1 and 3:1, and has thrust ratio that is approximately the same as its by-pass ratio.)
behaviour of a gas turbine engine 燃气涡轮发动机性能
ideal Brayton cycle 理想Brayton循环
ideal intake 理想进气道
isentropic compression 等熵压缩
constant pressure combustion 等压燃烧
isentropic expansion through a turbine and nozzle 通过涡轮和喷管的等熵膨胀
entropy n. 熵
combustion chamber pressure 燃烧室压强
burner 燃烧室
compressor 压缩机
turbine 涡轮
exhaust nozzle 排气喷管
ambient pressure 周围环境压强
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低速空气动力学词汇表(40)