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pro vyhledávání: '"rotating stall"'
Akademický článek
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Publikováno v:
Meitan kexue jishu, Vol 51, Iss 9, Pp 242-250 (2023)
Mining contra-rotating fan are prone to rotational stall when it operates at low flow rates, which seriously affects the operational stability. The unsteady flow in the full flow passage of a FBCDZ-10-No20 contra-rotating fan at five axial spacings w
Externí odkaz:
https://doaj.org/article/04b2361f587a4e34871608932a0c501d
Publikováno v:
Fluids, Vol 9, Iss 6, p 134 (2024)
Compressors are an essential component of aircraft engines. Their design and operation must be extremely reliable as engine safety and performance depend greatly on these elements. Axial compressors exhibit instabilities, such as surge or rotating st
Externí odkaz:
https://doaj.org/article/e315c141c34d43cb89bdafd779fce33d
Autor:
Shenren Xu, Caijia Yuan, Chen He, Dongming Cao, Dakun Sun, Carlos Martel, Huihao Chen, Dingxi Wang
Publikováno v:
International Journal of Turbomachinery, Propulsion and Power, Vol 9, Iss 2, p 20 (2024)
The accurate prediction of rotating stall inception is critical for determining the stable operating regime of a compressor. Among the two widely accepted pathways to stall, namely, modal and spike, the former is plausibly believed to originate from
Externí odkaz:
https://doaj.org/article/88669b725b994d8cbedbfe328a3aac6e
Autor:
Ryosuke SEKI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 929, Pp 23-00207-23-00207 (2023)
Using a high-speed multistage scale model compressor simulating a middle stage of a gas turbine compressor for power generation, the effects of 3 types of rotor tip clearances on performance and operating range, and the vortex structure of rotor tip
Externí odkaz:
https://doaj.org/article/69b69b7948784938ba3783a4b3f87eff
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 16, Iss 1, Pp 1131-1153 (2022)
Most mixed-flow pumps obtain a saddle-like Q-P curve with a backflow, owing to the increased incidence angle at low flow rates. The backflow was developed near the shroud and followed downstream again at its end to form a recirculating flow. The rota
Externí odkaz:
https://doaj.org/article/d198f3c4d7f949f580950245c5b7bd02
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 2, Pp 375-388 (2022)
The steady and unsteady characteristics of the internal flow in a high-speed centrifugal blower are studied by computational fluid dynamics (CFD) approach at low flow rates. It is demonstrated that as the flow rate decreases, the separation of flow i
Externí odkaz:
https://doaj.org/article/948f70687a6d410ca2059407aaad75ef
Autor:
Qian Zhang, Guangfeng An
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 1922 (2024)
Capturing internal flow experimentally presents significant challenges due to the asymmetric propagation and strong unsteadiness of a stall cell in the circumferential direction. In this study, a low-speed counter-rotating axial compressor test rig w
Externí odkaz:
https://doaj.org/article/dfef917522354a318283661e8cb33206
Akademický článek
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Akademický článek
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