压气机

Axial compressor ; turbulent flow ; differencing scheme ; impeller ; curvilineal coordinate

轴流压气机；湍流流动；差分格式；叶轮；曲线坐标

A circumferential grooved hub treatment and a frontally tapered squared trench casing treatment are designed and tested in a single axial flow compressor.

本文设计了周向槽式轮毂处理和前置凸台式机匣处理两种装置，在单级轴流压气机实验台上进行了实验研究。

A genetic algorithm has been employed for the structure optimization of a centri fugal compressor impeller.

利用遗传算法对离心压气机叶轮的结构进行优化设计。

Presensitized plate, wipe-on plateA jet engine having a turbine-driven compressor and developing thrust from the exhaust of hot gases.

涡轮喷气发动机一种喷气式发动机，有一个涡轮推动的压气机，通过排出热气而产生推力

Therefore, the constitution of an accurate numerical analysis system for the transonic axial compressor becomes more and more prevalent.

因此，建立一套能够准确分析跨声速轴流压气机流场的分析系统是当前许多叶轮机研究者竭力追求的目标。

The effect of low Reynolds number on the flow instability mechanism of transonic compressor was studied numerically.

数值模拟了低雷诺数下跨声速压气机设计转速下内部流场特性。

This is the main research contents in this paper Enhance the operating efficiency of turbomachine、saving energy become a common understanding. In order to improve the efficiency、output power、comprehensive utilization level of high energy and enhance the operation reliability, numerical simulation of flow field inside turbomachine for several difference uses were studied with our professional dominance based on three practical engineering project. Based on these the axial and centrifugal blowers were designed.

而提高叶轮机械的能量转换效率、节能降耗已成透平机械行业的业内共识，本论文研究利用专业优势，围绕提高几种叶轮机械效率、输出功率、高能量综合利用水平、提高机组运行的可靠性等目标，以三个实际工程研发项目为基础，研究分析了多种特殊用途的叶轮机械内部流动情况，在此基础上，设计研究了轴流与离心两型动车组冷却通风机，并提出烟气轮机与船用涡轮增压器压气机蜗壳的优化方案等。

In the paper the time marching method is used to solve the control equations and a computational analysis of the flow field in a unshrouded impeller is presented.

中文摘要：本文利用数值计算方法对一带分流叶片的离心压气机工作轮内部三维粘性流场进行了数值模拟。

Unsteady simulations are performed to study the interaction between the impeller and vaned diffuser.

对离心压气机和向心涡轮进行性能匹配，并与整机的实验结果对比，能较好的预测微型燃气轮机的共同工作曲线。4。

Aspirated fan/compressor is an integral part of high pressure ratio compression system.

吸附式风扇／压气机是日前国内外高增压比压缩系统的一个重要研究方向。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。