Results 1 to 10 of about 11,840,309 (376)

Study of Circumferential Grooved Casing Treatment on Cascade Aerodynamic Performance [PDF]

Aerospace, 2023
To explore the influence of circumferential grooved casing treatment on subsonic cascade performance, a numerical simulation of subsonic cascade was conducted.
Jingbo Tan, Chun Zhang, Huiling Zhu, Ling Zhou, Lucheng Ji   +4 more
doaj   +3 more sources

The Influence of Bleed Position on the Stability Expansion Effect of Self-Circulating Casing Treatment

Aerospace
The self-circulating casing treatment can effectively expand the stable working range of the compressor, with little impact on its efficiency. With a single-stage transonic axial flow compressor NASA (National Aeronautics and Space Administration) Stage ...
Haoguang Zhang, Jinhang Xiao, Xinyi Zhong, Yiming Feng, Wuli Chu   +4 more
doaj   +3 more sources

Investigation of Vaned-Recessed Casing Treatment in a Low-Speed Axial-Flow Compressor, Part II: Unsteady Results

Aerospace, 2023
In this paper, unsteady characteristics of a modified vaned-recessed casing treatment with 23.2% rotor blade tip axial chord exposure were studied numerically.
Mohammad Akhlaghi, Yahya Azizi
doaj   +2 more sources

Stall Margin Improvement in a Centrifugal Compressor through Inducer Casing Treatment [PDF]

International Journal of Rotating Machinery, 2016
The increasing trend of high stage pressure ratio with increased aerodynamic loading has led to reduction in stable operating range of centrifugal compressors with stall and surge initiating at relatively higher mass flow rates.
V. V. N. K. Satish Koyyalamudi, Quamber H. Nagpurwala   +1 more
doaj   +2 more sources

Stability Enhancement and Noise Reduction of an Axial Compressor with Foam Metal Casing Treatment

Aerospace, 2022
Foam metal is a foam-like substance with a high porosity; it has been used in flow control, vibration abatement, and acoustic absorption, mainly based on its physical properties.
Jia Li, Xu Dong, Dakun Sun, Yuqing Wang, Chunwang Geng, Xiaofeng Sun   +5 more
doaj   +2 more sources

Multi-Objective Optimization of Circumferential Groove Casing Treatment in an Ultra-Highly Loaded Low-Reaction Transonic Compressor Rotor

Frontiers in Energy Research, 2022
This study concerns a multi-objective optimization of circumferential single grooved casing treatment for a low-reaction transonic rotor with ultra-high loading. The axial location, width and depth of the groove are investigated as design variables.
Shengli Ding, Shaowen Chen, Songtao Wang, Zhongqi Wang   +3 more
doaj   +2 more sources

An Evaluation of Passive Wall Treatment with Circumferential Grooves at the Casing of the First and Second Blade Rotor Rows of a High-Performance Multi-Stage Axial Compressor

Aerospace
The internal losses in the tip clearance region strongly influence the compressor performance and its operational range. Previous research proved that passive wall treatments with circumferential grooves in axial compressors effectively increase the ...
Ruben Bruno Diaz, Jesuino Takachi Tomita, Cleverson Bringhenti, Franco Jefferds dos Santos Silva, Diogo Ferraz Cavalca   +4 more
doaj   +2 more sources

Improvement of Moderately Loaded Transonic Axial Compressor Performance Using Low Porosity Bend Skewed Casing Treatment [PDF]

International Journal of Rotating Machinery, 2014
This paper presents experimental results of a single stage transonic axial flow compressor coupled with low porosity bend skewed casing treatment. The casing treatment has a plenum chamber above the bend slots.
Dilipkumar Bhanudasji Alone, S. Satish Kumar, Shobhavathy M. Thimmaiah, Janaki Rami Reddy Mudipalli, A. M. Pradeep, Srinivasan Ramamurthy, Venkat S. Iyengar   +6 more
doaj   +2 more sources

Assessment of adenosine triphosphate content in sausages stuffed in different modified casing treatments added with orange extracts, utilising hyperspectral imaging combined with multivariate analysis. [PDF]

Front Nutr
Feng CH, Arai H, Rodríguez-Pulido FJ.
europepmc   +2 more sources

Effect of Inclination Grooves on Axial Flow Compressor Stability: An Experimental and Numerical Simulation Study [PDF]

Journal of Applied Fluid Mechanics, 2022
In the present study, various groove casing treatments were evaluated under a high-speed subsonic axial flow compressor using experimental and numerical simulation methods.
W. H. Liu, W. L. Chu, H. G. Zhang, C. Y. Zhang   +3 more
doaj   +1 more source