Results 1 to 10 of about 1,436 (263)

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

open access: yesInternational 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   +1 more
doaj   +2 more sources

Enhancement of aerodynamic performance of axial compressors utilizing natural aspiration through optimized casing circumferential slot [PDF]

open access: yesScientific Reports
This paper presents results of aerodynamic enhancement of axial compressors utilizing optimum natural aspiration through a circumferential slot made within the casing wall upstream the rotor blades row.
Peyman Ghashghaie Nejad   +1 more
doaj   +2 more sources

Investigating the cooling effect of the inlet flow on the axial compressor performance in different operating conditions [PDF]

open access: yesScientific Reports
In this article, the compressor performance in wet compression conditions is compared with that of dry compression. Wet condensation has been done through droplets with one-micron diameter and a three percent mass flow rate.
Sarallah Abbasi, Moein Salmani
doaj   +2 more sources

Algorithm of axial compressor stall warning based on BP neural network and fuzzy logic [PDF]

open access: yesMATEC Web of Conferences, 2022
Stall warning of axial compressor is very challenging and the existing warning margin is not enough. A algorithm based on BP neural network fusion fuzzy logic is proposed.
Qiu Xiaohong, Chen Jiali
doaj   +1 more source

Stability Enhancement of a Single-Stage Transonic Axial Compressor Using Inclined Oblique Slots

open access: yesEnergies, 2021
A casing treatment using inclined oblique slots (INOS) is proposed to improve the stability of the single-stage transonic axial compressor, NASA Stage 37, during operation. The slots are installed on the casing of the rotor blades.
Tien-Dung Vuong, Kwang-Yong Kim
doaj   +1 more source

Numerical Investigation on a Axial Slot Casing Treatment of a Large Circumferential Interval and Small Opening Area

open access: yesEnergies, 2021
Axial slot casing treatment is a common method to extend the stall margin of a compressor. Based on the mechanism of unsteady flow control, this paper redesigns axial slots with large circumferential interval and small opening area. To test the effect of
Zepeng Liu, Guoping Huang, Omer Musa
doaj   +1 more source

Numerical study on the stability enhancement mechanism of self-recirculating casing treatment in a counter-rotating axial-flow compressor

open access: yesEngineering Applications of Computational Fluid Mechanics, 2022
Counter-rotating axial-flow compressor (CRAC) is a promising technology to increase the thrust-to-weight ratio of aero-engines. Self-recirculating casing treatment (SRCT) is selected to explore its stability enhancement capacity in the CRAC.
Yanchao Guo   +3 more
doaj   +1 more source

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

open access: yesAerospace, 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   +5 more
doaj   +1 more source

Experimental and Numerical Investigation on Effects of the Steam Ingestion on the Aerodynamic Stability of an Axial Compressor

open access: yesEntropy, 2020
In order to investigate the influence of steam ingestion on the aerodynamic stability of a two-stage low-speed axial-flow compressor, multiphase flow numerical simulation and experiment were carried out.
Baofeng Tu, Xinyu Zhang, Jun Hu
doaj   +1 more source

Aerodynamic Study on the Influence Mechanism of Bow Blades on the Flow Field of Supersonic Tandem Rotors

open access: yesEnergies, 2022
In order to research the influence mechanism of bow blades on the flow field of supersonic tandem rotors of compressors, the supersonic rotor rotor37 is taken as the prototype and redesigned as a supersonic tandem rotor.
Hao Cheng, Zhaoyun Song, Bo Liu
doaj   +1 more source

Home - About - Disclaimer - Privacy