Topology optimization with vortex-intensity-based objective function enables novel film cooling hole with superior performance
Huidong Tang,
Jianqin Zhu,
Zhi Tao
et al.
Abstract:Film cooling is widely adopted in the thermal protection of modern aerospace engines. The optimization of the film hole is an important issue in thermal designs. In this work, a density-based topology optimization is conducted to obtain a high-performance film cooling hole geometry. Unlike the traditional wall-temperature-based optimization objectives, a novel objective function based on the Q-criteria is proposed by taking the vorticity dynamics and flow mixing into account. Finally, a unique high-performance… Show more
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