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   Articles with "end wall" as a keyword



Experimental investigation of end-wall VGJs in a compressor cascade

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recommendations! Published in 2018 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2018.09.065

Abstract: Abstract One of the important ways of improving compressor performance is to control three-dimensional (3D) separations which are related to the end-wall cross flow and corner separation. End-wall VGJs has been applied on the leading… read more here.

Keywords: wall vgjs; compressor cascade; flow; end wall ... See more keywords

Use of Blended Blade and End Wall method in compressor cascades: Definition and mechanism comparisons

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recommendations! Published in 2019 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2019.06.045

Abstract: Abstract Modern turbomachinery design uses the endwall treatment method to prevent the corner flow from separating. This study presents the Blended Blade and End Wall (BBEW) method, a passive endwall treatment method, and draws the… read more here.

Keywords: blade end; method; blended blade; pressure difference ... See more keywords

Performance enhancement of a centrifugal compressor stage using profiled end wall (PEW) treatments in the radial vaned diffuser

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recommendations! Published in 2021 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2020.106488

Abstract: Abstract Profiled End Wall (PEW) is an effective method that has been employed in recent years in the field of axial flow turbines as a means to reduce secondary flows and associated losses leading to… read more here.

Keywords: compressor; centrifugal compressor; end wall; pew ... See more keywords

Multi-objective optimization of discrete film hole arrangement on a high pressure turbine end-wall with conjugate heat transfer simulations

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recommendations! Published in 2019 at "International Journal of Heat and Fluid Flow"

DOI: 10.1016/j.ijheatfluidflow.2019.108428

Abstract: Abstract This paper discussed a method of combining a full automatic multi-objective optimization and conjugate heat transfer calculation to obtain optimal cooling layouts on a transonic high pressure guide vane under a realistic turbine working… read more here.

Keywords: optimization; end wall; heat; pressure ... See more keywords

Three-dimensional shock-sulfur hexafluoride bubble interaction

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recommendations! Published in 2019 at "AIP Advances"

DOI: 10.1063/1.5126414

Abstract: The evolution of shock-sulfur hexafluoride (SF6) bubble interaction is investigated using a detailed three-dimensional numerical simulation. The influences of the end wall distance on the bubble evolution are analyzed by using the high-resolution simulations. The… read more here.

Keywords: shock wave; end wall; sf6 bubble; interaction ... See more keywords

Effect of moving end wall on tip leakage flow in a compressor cascade with different clearance heights

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recommendations! Published in 2024 at "AIP Advances"

DOI: 10.1063/5.0184929

Abstract: Numerical simulations have been carried out to investigate the effect of the moving end wall on the tip leakage flow structure in a compressor cascade with four different tip clearance heights. A detailed comparison of… read more here.

Keywords: tip leakage; leakage; end wall; flow ... See more keywords

Finely integrated design of end wall region for a compressor linear cascade through adjoint optimization

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0250892

Abstract: With the advancement of aerodynamic design techniques for turbomachinery, the high-loss flow in the end wall region has emerged as a bottleneck, limiting further improvements in the aerodynamic performance of fans and compressors. In this… read more here.

Keywords: wall region; end wall; integrated design; region ... See more keywords

Optimization and experimental study of full-coverage non-axisymmetric end wall contouring with purge flow

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0273383

Abstract: To mitigate secondary flow losses and enhance end wall cooling efficiency, this paper proposes a full-coverage non-axisymmetric end wall contouring (FNEC) method based on periodic non-uniform rational B-spline surfaces. Compared with conventional non-axisymmetric contouring approaches,… read more here.

Keywords: non axisymmetric; end wall; wall; optimization ... See more keywords

Effect of upper end wall boundary layer suction on high-load helium compressor performance in thorium molten salt reactors

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0282786

Abstract: The performance of the helium compressor is a crucial factor in determining the efficiency of thermal-to-work conversion in thorium molten salt reactors. The high-load design approach can efficiently increase the pressure ratio while minimizing the… read more here.

Keywords: wall boundary; end wall; compressor; performance ... See more keywords

Effects of labyrinth cavity angles and non-axisymmetric end wall on the performance of the shrouded stator at different inlet boundary layer thicknesses

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0286356

Abstract: The interplay between leakage flow and secondary flow markedly impairs the aerodynamic efficacy of shrouded stators within axial compressors. However, the synergistic influence of inlet boundary layer thickness, cavity angles, and non-axisymmetric end wall contouring… read more here.

Keywords: cavity; non axisymmetric; end wall; axisymmetric end ... See more keywords

Optimization of Inner Dumping Uncovered Height with Partially Covered End Wall in Adjacent Surface Coal Mining Districts

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recommendations! Published in 2018 at "Mathematical Problems in Engineering"

DOI: 10.1155/2018/5404835

Abstract: In order to analyze the relationships of inner dumping with covered end wall in adjacent surface coal mining districts, a trough-shaped uncovered end wall model was put forward. A mathematical model concerning uncovered end wall… read more here.

Keywords: mining; inner dumping; covered end; surface coal ... See more keywords