Experimental investigations of aero-engine pre-swirl system performance improvement with consideration of inner seal flow effect
Yue Zhang,
Gaowen Liu,
Yuyue Wu
et al.
Abstract:The pre-swirl system is essential for delivering cooling air to turbine blades within aviation engines. To explore the impact of the inner seal on the pre-swirl system, a high pressure ratio and high rotational speed experimental platform was constructed. The impact of inner seal inflow and outflow on the pre-swirl system's performance was evaluated. In response to the adverse effects of inner seal inflow on the system, a bypass structure was proposed to divert the inner seal flow, and the optimization effects… Show more
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