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Article
PIV investigation on corner separation control in a compressor cascade based on a vortex generator
To deepen the understanding of flow mechanisms related to corner separation and associated control techniques, a passive control scheme based on a vortex generator (VG) installed on the end wall of the cascade...
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Article
Application of New Empirical Models based on Mathematical Statistics in the Through-Flow Analysis
The through-flow analysis is an important part in the compressor design process. In this part, lots of empirical models are used to predict the compressor aerodynamic performances. These models are all based o...
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Article
Influence of Reynolds Number on the Unsteady Aerodynamics of Integrated Aggressive Intermediate Turbine Duct
The ultra-high bypass ratio turbofan engine attracts more and more attention in modern commercial engine due to advantages of high efficiency and low Specific Fuel Consumption (SFC). One of the characteristics...
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Article
Numerical investigation of the effects of rising angle on intermediate turbine duct and nearby turbines
In order to improve the efficiency, ultra-high bypass ratio engine attracts more and more attention because of its huge advantage, which has larger diameter low pressure turbine (LPT). This trend will lead to ...
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Article
A free surface sharpening strategy using optimization method
VOF method which consists in transporting a discontinuous marker variable is widely used to capture the free surface in computational fluid dynamics. There is numerical dissipation in simulations involving the...
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Article
Model study of relationship between local temperature and artificial heat release
In recent decades, it presents a more obvious temperature rise in urban area along with the global warming. City is generally the center of human society, so the study on urban temperature variation will be he...
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Article
Study on adjoint-based optimization method for multi-stage turbomachinery
Adjoint-based optimization method is a hotspot in turbomachinery. First, this paper presents principles of adjoint method from Lagrange multiplier viewpoint. Second, combining a continuous route with thin laye...
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Article
An aerodynamic design and numerical investigation of transonic centrifugal compressor stage
In the present paper, the design of a transonic centrifugal compressor stage with the inlet relative Mach number about 1.3 and detailed flow field investigation by three-dimensional CFD are described. Firstly ...
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Article
Unsteady numerical simulation of hot streak/blades interaction and film cooling
Deeply research on management and application of hot streak is an important way to breakthrough technique obstacle of aero engine hot components. Numerical method is a useful instrument to investigate the corr...
