Calculation of transonic flows around profiles with blunt and angled leading edges
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DOI:
https://doi.org/10.15625/0866-7136/38/1/4177Keywords:
Transonic flow, finite volumes, finite differences, blunt LE, angled LEAbstract
Transonic flow is a mixed flow of subsonic and supersonic regions. Because of this mixture, the solution of transonic flow problems is obtained only when solving the differential equations of motion with special treatments for the transition from subsonic region to supersonic region and vice versa. We built codes solving the full potential equation and Euler equations by applying the finite difference method and finite volume method, and also associated with software Fluent to consider the viscous effects. The analysis of results calculated for cases of transonic flow over profiles with blunt and angled leading edges shows more clearly the physical nature of the gas - solid interaction at leading edges in the mixed flow and the optimal application of each profile in transonic flows.
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