时间:2011-03-27 20:02来源:蓝天飞行翻译 作者:航空 点击:次
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 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 final form(s) of 最终形式 nonlinear system of equations 非线性方程组 unknown variables 未知变量 iterative solution 迭代解(法) 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 It should be noted that 应该注意的是 convergence enhancing technique(s) 收敛加强技术 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 gas turbine ideal cycle analysis 然气涡轮理想循环分析 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 |