English translation for "turbine stage"
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- 透平级
涡轮机级
涡轮级
Related Translations:
- Example Sentences:
| 1. | Numerical simulation of the three - dimensional turbulent flow in a turbine stage cascade
涡轮级叶栅三维湍流流动的数值模拟 | | 2. | Numerical simulation on unsteady flow with turbulence intensity effects in a turbine stage
涡轮级内湍流度影响的非定常数值模拟 | | 3. | Steam turbine stage
蒸汽涡轮机级 | | 4. | Numerical simulation of the unsteady flow in a transonic turbine stage is still a hard work for cfd researcher
涡轮级内的非定常流场数值模拟是现阶段计算流体力学研究的重要领域，也是研究的难点。 | | 5. | The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process . this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency
但这种方法中喷射的冷空气与端壁附近的外流场相互作用产生气动力和热动力损失，并且消耗冷却空气，从而损害涡轮的整体循环效率。 | | 6. | The cfd code used to simulate the fluid field is the commercial software fluent . through the numerical simulation , it can make a qualitative looking of unsteady flow in a transonic turbine stage and the numerical result can be a valuable result to the following research
本次数值模拟使用的是商业计算流体力学软件fluent ，通过数值模拟，最终能够对整个流场有定性的说明，同时对一些特定的流动现象能够较好的模拟出来，为以后的进一步研究提供参考。 | | 7. | Based on an engineering background , through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ) , the article research the unsteady flow in a transonic turbine stage , the unsteady phenomena in the stage include the shockwave , wake , shedding vortex , endwall vortex , passage vortex and leakage vortex , etc . there are two shockwaves generated on the vane the tailing edge , one on suction side is named moving shockwave , and name another on pressure side steady shockwave
本文首先对于研究的意义和国内外研究的现状做了简要的介绍，再从某工程背景出发，通过对e3发动机高压涡轮内流场的数值模拟，研究了干涉的周期性的问题，以及涡轮级内常见的非定常现象：激波、尾迹、脱落涡、根脚涡、通道涡、漏流涡。导向器尾缘会出现两道激波，在吸力面的激波可称为“运动”激波，压力面的激波可称为“定常”激波。 | | 8. | A full mathematical model of optimal flow pattern design withengineering constraints was put forward , based on modern optimal control theory . an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine . according to integral optimization of turbine stages , a full physical model and mathematical expression were put forward for proposition of optimal flow pattern , including all performance parameters in turbine stages . this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state , fixed terminal condition and constraints for part of state terminal variables . the program was also worked out according penalty function method and conjugate gradient method . the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function
把近代最优控制论方法引入轴流透平叶片的设计，在优化的轴流透平子午通道内，建立包括透平级内所有性能参量的最优流型命题的完整的物理模型及其数学表达式，并归化为一个在给定初始状态、自变量终端固定、部分状态变量终端受有约束的条件下，使级的某一性能指标（如级的功率）达到最优的最优控制问题，应用“代价函数法”及“共轭梯度法”编制计算程序，计算得到符合给定约束条件、并使目标函数取极值的最优环量分布，结果是令人满意的。 |
- Similar Words：
- "turbine shut off" English translation, "turbine sifter" English translation, "turbine speed" English translation, "turbine speed control" English translation, "turbine sprinkler" English translation, "turbine start-up panel" English translation, "turbine starter" English translation, "turbine static shroud" English translation, "turbine station" English translation, "turbine stator" English translation
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