A new method which can be used to construct a H-type grid for cascade flow calculation is presented in this paper. To test the feasibility of the grid, the subsonic and transonic full potential equations are solved by using finite difference approximations on a transformed coordinate system. It is found that in order to improve computing accuracy and reduce cost, four conditions should be fulfilled in constructing cascade grids. Also, the artificial viscosity scheme should be improved for cascade calculations.
Some Problems in Calculating Flow Around Two-Dimensional Cascade Profiles
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Hao-Xin, J, Mao-Zhang, C, & Chih-Ya, T. "Some Problems in Calculating Flow Around Two-Dimensional Cascade Profiles." Proceedings of the ASME 1985 Beijing International Gas Turbine Symposium and Exposition. Volume 1: Aircraft Engine; Turbomachinery. Beijing, People’s Republic of China. September 1–7, 1985. V001T02A045. ASME. https://doi.org/10.1115/85-IGT-123
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