Experimental assessment on effect of lower porosities of bend skewed casing treatment on the performance of high speed compressor stage with tip critical rotor characteristics
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2016.11.006
Abstract: Abstract Development of casing treatment geometries which will enhance the stable operating envelope of the compressor stage without sacrificing the efficiency is a great challenge for the designers. Bend skewed casing treatment with relatively lower… read more here.
Keywords: casing treatment; stage; bend skewed; compressor stage ... See more keywords
Effects of axisymmetric arc-shaped slot casing treatment on partial surge initiated instability in a transonic axial flow compressor
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2017.05.036
Abstract: Abstract Instability initiated by rotating stall and surge limits the normal operating range of compressors, and seriously deteriorates the efficiency of gas-turbines. Partial surge is a new type of instability inception observed in a transonic… read more here.
Keywords: partial surge; compressor; casing treatment; surge ... See more keywords
A new approach of casing treatment design for high speed compressors running at partial speeds with low speed large scale test
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2017.10.032
Abstract: Abstract The instability problems tend to be more severe when high speed compressors operate at partial speeds. This paper proposes an economic approach for casing treatment design that suitable to this situation. Aiming at reducing… read more here.
Keywords: speed compressors; casing treatment; speed; approach ... See more keywords
Acoustic characterisation of a small high-speed centrifugal compressor with casing treatment: An experimental study
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105518
Abstract: Abstract With the advancements in manufacturing, materials and computational methods, turbomachinery designs have become more efficient providing higher specific power and reliability with lower weight and cost. The rotational speed of turbomachines has increased while… read more here.
Keywords: compressor; casing treatment; speed; noise ... See more keywords
Unsteady measurement in a transonic axial compressor with optimized axial slot casing treatment
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0221808
Abstract: Casing treatment has been widely adopted to enhance the operating range of compressors by extending the stall margin. In this article, a high-precision experimental investigation was conducted in a transonic compressor. Unsteady pressure is measured… read more here.
Keywords: slot casing; treatment; axial slot; optimized axial ... See more keywords
Casing treatment effects on a multistage axial compressor over a wide range of Reynolds number
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DOI: 10.1063/5.0251377
Abstract: This study investigates the effects of casing treatment (CT) on a multistage axial compressor over a wide range of Reynolds numbers (Re) through experimental and numerical methods. A compressor test rig with continuously variable Re… read more here.
Keywords: separation; tip; compressor; casing treatment ... See more keywords
Global optimization of recirculation flow type casing treatment in centrifugal compressors of turbochargers
Sign Up to like & getrecommendations! Published in 2018 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406216679435
Abstract: This paper describes a global optimization of a recirculation flow type casing treatment in centrifugal compressors of turbochargers. The global optimization for the recirculating flow type casing treatment has been performed based on the existing… read more here.
Keywords: recirculation flow; casing treatment; treatment; optimization ... See more keywords
Placement of Recirculation Channel Casing Treatment in Transonic Fans: A Flow Physics Approach
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DOI: 10.2514/1.j064771
Abstract: This study investigates the effects of recirculation channel casing treatment positioning in a transonic fan. Recirculation channels are a passive casing treatment, consisting of an injection and extraction port connected by a secondary flowpath. Casing… read more here.
Keywords: casing treatment; recirculation; physics; recirculation channel ... See more keywords