Colloquium: Xinyuan Liu (FPP)

22 juni 2018 09:30 - Locatie: Lecture room H, Faculty of Aerospace Engineering, Kluyverweg 1, Delft.

Design of Swirl Recovery Vanes for Wing-Mounted Tractor Propeller Propulsion System

Swirl Recovery Vanes (SRVs) are a set of stationary vanes mounted at downstream of the propeller, aiming at producing thrust by recovering the swirl in the propeller slipstream, which may increase the propulsive efficiency of propeller without adding much complexity of structure. Following previous research dealing with implementation of SRVs for an isolated propeller, current project focuses on design of SRV for a more interesting configuration of wing-mounted tractor propeller case: In addition to wing induced drag reduction by wing swirl recovery, extra thrust is potentially generated by properly designed SRV, such that the system performance could be further improved.  In order to have a fast and accurate prediction of the system performance under complicated interaction effects, a Surrogate Based Multi-fidelity Optimization routine based on Shape-Preserving Response Prediction is applied, which replaces the direct optimization of expensive high-fidelity analysis by an iterative re-optimization of a corrected low-fidelity model. Results indicates that the system induced drag is successfully reduced by a one-blade stator designed at down-going blade side of wing downstream.