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유한체적법을 이용한 터보기계 회전차내부의 천이음속.층류 유동해석 (I) 익렬 유동해석
조강래,오종식 대한기계학회 1993 대한기계학회논문집 Vol.17 No.2
For the calculation of transonic laminar flow fields in cascades of turbomachinery, a finite volume method employing Jameson's Runge-Kutta integration scheme as a basic algorithm is presented. The cell-vertex scheme introducing half-spacing mesh cells is developed. For the velocity gradients in the stress terms the integration with divergence theorem is used for the average concept. Some numerical results show good agreement with experimental data.
유한체적법을 이용한 터보기계 회전차 내부의 천이음속.층류 유동해석(II) 상대유면 유동해석
조강래,오종식 대한기계학회 1993 대한기계학회논문집 Vol.17 No.2
For the calculation of transonic laminar relative flow fields on the axisymmetric H-S and B-B stream surfaces in turbomachinery, a finite volume method developed in Part (I) is extended. Energy equation is replaced for simplicity by the condition of constant rothalpy throughout the flow fields. For axisymmetric H-S flow the circumferential componets of absolute velocity are given in advance so that this component of momentum equations can be neglected. Some numerical results show good agreement with experimental data.