Near-stall operation of transonic compressors is critical for achieving high pressure ratio and efficiency, but it is accompanied by sensitive tip-region flow structures that strongly affect compressor performance. Discrete water injection near the blade tip is investigated as an active flow-control method to modify th...
The non-axisymmetric end wall profiling technology has been widely applied in turbines and axial flow compressors, effectively suppressing corner separation losses and improving compressor efficiency. However, its application in centrifugal compressors remains relatively limited. To realize effective flow control and a...
Hybrid-electric or full electric propulsion systems are considered as potential solutions for sustainable aviation, providing reduced emissions and improved efficiency. However, among the various challenges associated with thermal management in electric propulsion systems, the design and integration of heat exchanger...
This paper presents the improvements of a modular, multi-disciplinary, and multi-fidelity Surrogate-Based Optimization (SBO) framework for rotor blade design, aiming at reducing computational cost and accelerating the design process in aeromechanical applications. The concept of “useful accuracy” is central to our ap...
This study presents a multifidelity, multi-objective optimization framework for the aerodynamic design of airfoils operating at [Formula: see text] Reynolds numbers in incompressible flow. The framework couples the efficiency of the panel solver XFOIL with the accuracy of the unsteady Reynolds-averaged Navier–Stokes so...
The geometric definition of the engine nacelle plays a pivotal role in determining the aerodynamic efficiency of different propulsion systems as it controls the capture area, mass flow rate and external drag. The primary objective of this paper is to provide design optimization for nacelles with reduced mathematical co...
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