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Experimental and Computational Investigation of an Advanced Casing Treatment in a Single Stage High Speed Compressor

Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, 2022
An advanced casing treatment design, in the form of bent-axial slots applied to the casing near the rotor leading edge, was tested in a single stage high speed axial compressor.
Nicholas H. Maher   +7 more
semanticscholar   +1 more source

Numerical study of the coherent characteristics of the blade tip of a micro centrifugal compressor and its application in a new unsteady casing-treatment experiment

The Physics of Fluids
The tip-leakage vortex, as the dominant coherent structure of the blade tip of a compressor, is an important source of losses in centrifugal compressor rotors; it limits the stall margin and can even cause compressor surge.
Hongxin Zhang   +4 more
semanticscholar   +1 more source

Effect of different radial skewed angles of reversed blade-angle slot casing treatment on transonic axial flow compressor stability

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2022
Single-channel unsteady numerical simulation was carried out on NASA Rotor 35 to study the influence of radial skewed angle of reversed blade-angle slot casing treatment (RBSCT) on the aerodynamic performance and stall margin of a transonic compressor ...
Haoguang Zhang   +4 more
semanticscholar   +1 more source

A suitable case for treatment

Nature, 1999
Some problems involved in the one‐to‐one management of offenders and offender‐patients demonstrating severe personality disorder (psychopathic disorder) are reviewed against a background of current public and central government concerns.
openaire   +4 more sources

Data Mining-Based optimization study on T-shaped multiple groove casing treatment for axial compressor stability

The Physics of Fluids
Casing treatment is a highly effective and promising technology for improving compressor stability. The study aims to enrich the casing treatment design method and reveal its mechanism for improving compressor stability and design guidelines. Focusing on
Qinghan Li, W. Chu, Jiezhong Dong, T. Ji
semanticscholar   +1 more source

Effect of axial slot casing treatment on a counter-rotating axial-flow compressor aerodynamic performance and stability

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2022
Counter-rotating axial-flow compressor (CRAC) technology is an important technical way to improve the thrust-to-weight ratio of aero-engines. To explore the stall margin improvement potential of axial slot casing treatment (ASCT) in the CRAC, a two-stage
Yanchao Guo, X. Mao, Lei Wang, Limin Gao
semanticscholar   +1 more source

Unsteady measurement in a transonic axial compressor with optimized axial slot casing treatment

The Physics of Fluids
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.
Zhong-gang Fan   +5 more
semanticscholar   +1 more source

Effect of self-recirculating casing treatment on the unsteady flow and stability of counter-rotating axial-flow compressor

International Journal of Turbo & Jet-Engines, 2022
Counter-rotating axial-flow compressor (CRAC) is a promising technology to enhance the thrust-to-weight ratio of aero-engines. Self-recirculating casing treatment (SRCT) is an efficient flow control technique for increasing stall margin in conventional ...
Yanchao Guo, Limin Gao, X. Mao
semanticscholar   +1 more source

Numerical Analysis of a Novel Casing Treatment in an Axial Flow Fan

Journal of Propulsion and Power
The present paper reports the use of a slotted casing treatment of trapezoidal shape to enhance the stall margin of an axial flow fan. The Taguchi method was used to optimize the rectangular slotted casing treatment based on that which the trapezoidal ...
Gautham A. Amin   +2 more
semanticscholar   +1 more source

The case for treatment guidelines

American Journal of Orthodontics and Dentofacial Orthopedics, 2007
Public awareness of the need for orthodontic treatment is greater today than ever before. But as technology continues to advance, the number of treatment options available can overwhelm the public as well as many in the professional community. It is no surprise when patients become frustrated with the decision-making process.
openaire   +3 more sources

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