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您的检索式：作者名="FENG GuoTai"
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| 1 | Clocking Effect in a Two-Stage Compressor with Different Inter-Blade-Row Gaps显示文摘A multi-stage axial compressor has inherently unsteady flow fields because of the following main reasons: (1) relative positions between rotor and stator airfoil; (2) the buildup of converted wakes lead to complex wake/wake and wake/airfoil interactions. The distributions of the potential flows and wakes in the flow passage are depended on the relative positions of blade rows in axial and circumference direction, so variations in the relative axial positions (axial gap) and circumferential positions (clocking effect) of stators or rotors can change these distributions, leading to different compressor efficiency. The current study presents the experimental/numerical result of a low-speed axial compressor, considering the combined effects of stator clocking and variation of axial gaps. Testing was conducted in Two-Stage Axial Compressor Facility in Harbin Institute of Technology. In the test, time averaged data were collected. The results of experimental and time accurate flow calculation for 2 axial gaps, 8 clocking positions for each gap are compared. It is shown that clocking determines the degree of interaction of a stator with the wake of another upstream stator for different gaps between the blade rows. | Hongyan Huang Haitao Yang Guotai Feng Zhongqi Wang | 2004 | Journal of Thermal Science2004，13，1： | 2 |
| 2 | The de- velopment of highly loaded turbine rotating blades by using 3D optimization design method of turbomachin- ery blades based on artificial neural network & genet- ic algorithm显示文摘 | Zhou Fanzhen Feng Guotai Jiang Hongde | 2003 | Chinese Journal of Astronautica Sin- ica2003，16，4： | 1 |
| 3 | Study on topology and vortex structure in a diffusion cascade显示文摘To further make clear vortex structures in diffusion cascades so as to help understand the mechanisms of vortex affecting loss production, the emergence, evolution and development of secondary flow vortexes, including horse shoe vortex, passage vortex and corner vortex and so on, were discussed mainly through using the topological analysis method and numerical calculation. The concept of a three-dimensional dividing surface between the low energy flow zone and the exterior flow zone was presented. The results show that concentrated shed vortex is located outside the dividing surface (in the outer flow zone) and horse shoe vortex, passage vortex and corner vortex are inside the dividing surface (in the low energy flow zone). Dissipation function is used to measure loss production instead of using entropy production. The results about loss analysis indicate that vortex motion directly causes loss production, namely, peak value of loss is generally located around the core of vortex and that maximal loss happens around the dividing surface other than in the low energy flow zone. | ZHANG YongJun WANG HuiShe XU JianZhong FENG GuoTai | 2009 | Science China(Technological Sciences)2009，52，8： | 1 |
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