National Natural Science Foundation of China(51976172);National Science and Technology Major Project (2017-II-0009-0023);China’s 111 project(B17037);Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University(CX2023056)。
The time domain harmonic balance method is an attractive reduced order method of analyzing unsteady flow for turbomachines. However, the method can admit non-physical solutions. Non-physical solutions were encountered...
supported by the National Natural Science Foundation of China(No.52376021)。
Swept blades are widely utilized in transonic compressors/fans and provide high load,high through-flow,high efficiency,and adequate stall margin.However,there is limited quantitative research on the mechanism of the e...
supported by the National Natural Science Foundation of China(No.51976116);National Science and Technology Major Project(No.j2019-ii-0006-0026);the Open Research Subject of Key Laboratory of Aerodynamic Noise Control(No.ANCL20230201).
Tip leakage flow(TLF)in compressors,which can cause flow blockage in blade passage and induce efficiency loss,is also a potential threat to the unsteady flow stability of modern aeroengines.This paper provides an over...
This study was supported by the National Natural Science Foundation Project(52376021).
Non-axisymmetric endwall contouring has been proved to be an effective flow control technique in turbomachinery.Several different flow control mechanisms and qualitative design strategies have been proposed.The endwal...
supported by the National Science and Technology Major Project,China(No.2017-II-0009-0023);China’s 111 project(No.B17037);sponsored by Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University,China.
This paper presents a thorough study of the effect of the Constant Eddy Viscosity(CEV)assumption on the optimization of a discrete adjoint-based design optimization system.First,the algorithms of the adjoint methods w...
supported by the National Major Science and Technology Project of China(Nos.2017-II-0006-0020 and J2019-II-0003-0023)。
Nowadays,the adjoint method has become a popular approach in the optimization of turbomachinery to further improve its aerodynamic performance.However,design variables in these adjoint optimization applications are ge...
co-supported by the National Natural Science Foundation of China(No.52022009);the Science Center for Gas Turbine Project of China(No.P2022-A-II-003-001);the Key Laboratory Foundation,China(No.2021-JCJQ-LB-062-0102).
Simulating unsteady turbulent flow in turbomachines is still challenging due to the complexity of blade geometry and relative motion between rotor and stator.This study presents an Immersed Boundary Method(IBM)for hig...
supported by the National Science and Technology Major Project of China(Nos.2017-II-0006-0020,J2019-II-0003-0023).
Inspired by the three-dimensional design of flow passages in turbomachinery,this study proposes the concept of integrated passage design.The capability of adjoint method for efficient optimization and the flexibility ...
The main interest in the current study focuses on the possibility of overspeeding for the gas-generator cycle air turbo ramjet(GG-ATR)engine.The authors developed the air turbo ramjet engine and investigated its compr...
Muli-objective and multi disciplinary optimization mathodologies have progressed enormously in solving complex engineeing design problems.Turbomachines are essential energy conversion elements widely adopted in indust...