... . 10.2514/1.562 [2] Day , I. J. , 2016 , “ Stall, Surge, and 75 Years of Research ,” ASME J. Turbomach. , 138 ( 1 ), p. 011001 . 10.1115/1.4031473 [3] Garnier , V. H. , Epstein , A. H. , and Greitzer , E. M. , 1991 , “ Rotating Waves as a Stall Inception Indication...

... structures near surge conditions. This study utilizes all pressure signals to assess the stage's operational state (stable, transient, or unstable/surge). An additional goal is to develop an algorithm predicting flow patterns in different stage sections with minimal pressure signals at the rotor inlet...

... author. Email: liuyang18@iet.cn Email: pengfeng@iet.cn Email: zhw@iet.cn 08 01 2024 17 05 2024 20 05 2024 Graphical Abstract Figure compressor rotating inlet distortion stall margin adaptive control stall warning compressor stall surge To pursue...

... Email: kwok-kai.so@accelleron-industries.com Email: magnus.fischer@kistler.com CFD = computational fluid dynamics DP = design point IF = interface L = constant speed line LE = leading edge NS = near surge PS = pressure surface RANS = Reynolds...

... Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 05 09 2023 19 04 2024 19 04 2024 23 05 2024 Graphical Abstract Figure aeromechanical instabilities centrifugal compressors and pumps compressor stall surge operability computational...

... by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 31 10 2023 23 04 2024 23 04 2024 08 05 2024 Graphical Abstract Figure flow separation boundary layer development compressor stall surge The boundary layer...

... in the characterization of this disturbance. 2 Corresponding author. Email: martin.lange@tu-dresden.de 11 05 2022 04 01 2024 14 02 2024 23 04 2024 Graphical Abstract Figure aerodynamical instabilities compressor stall surge and operability fan compressor and turbine...

... prestall disturbances rotating instabilities unsteady flow tip clearance flow compressor stall surge and operability computational fluid dynamics (CFD) Graphical Abstract Figure Up to now, all results have been presented for the absolute (laboratory) frame of reference, after...

... 2023 17 11 2023 15 12 2023 centrifugal compressors and pumps compressor stall surge and operability computational fluid dynamics (CFD) Centrifugal compressors are used in various applications, such as aircraft engines and turbochargers for automobiles. However, when...

... inlet guide vanes and stators variable speeds design and adjustment optimization data mining compressor stall surge and operability fan compressor and turbine aerodynamic design turbomachinery blading design 21 04 2023 13 11 2023 14 11 2023 15 12 2023 Contributed...

... compressor stall surge and operability fan compressor aerodynamic design turbomachinery blading design It is well known that the aerodynamic design of multistage transonic compressor rotors is incredibly difficult. The reason is that as the blade relative inlet Mach number approaches unity...

...Fanzhou Zhao; Jose Moreno; John Dodds; Mehdi Vahdati In this paper an efficient numerical strategy for computational fluid dynamics (CFD) simulation of surge events in a three-shaft engine compression system is presented. Numerical results are compared against measured data and the sources...

... rotating stall centrifugal compressors and pumps compressor stall surge and operability It is common to observe that centrifugal compressor pressure rise characteristic has a sudden pressure loss. It causes a slope change of the characteristic, rolling over from “−”ve to “+”ve at high-speed...

...Ben Zhao; Teng Zhou; Ce Yang Surge is a crucial problem for achieving a good working range of centrifugal compressor and power cycle safety. Effective and early detection of the surge is essential to avoid its onset. In this paper, experiments measuring the pressure and acoustic signals have been...

...Ryosuke Seki; Toshihiko Azuma; Junji Iwatani; Akihiro Nakaniwa; Hidetaka Okui; Takanori Shibata In this article, an unsteady tip leakage flow instability is identified and investigated for an axial compressor at near-surge conditions. We describe the results of experimental verification of a new...

... to their compact size and ability to deliver high-pressure ratios over a wide range of flowrates. Methods to improve compressor efficiency near surge without reducing the surge margin have received considerable interest in the past. In many situations, changes to the impeller blade design and/or diffuser...

... Office of Naval Research 10.13039/100000006 N00014-18-1-2430 compressor stall surge and operability 17 08 2022 08 01 2023 09 01 2023 09 02 2023 Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T...

... operation. In other cases, violent surge may occur, requiring engine shut down and repair. Compressors are therefore designed with a stall margin (SM) such that the design mass flowrate is sufficiently high compared with the stall point. Attempts to understand the compressor stalling phenomenon have been...

...Julien Marty; Lionel Castillon; Pierric Joseph The operating range of a compressor is limited by surge or rotating stall line, among others. Numerical simulations must accurately predict these phenomena. This study is based on the experimental compressor CME2, which is a low-subsonic axial...

...Yoshihiro Hayashi; Teng Cao In centrifugal compressors, it is common to observe a rapid reduction in surge margin toward high rotational speed, which shows a non-linear surge characteristic against the change of rotational speed. This paper presents a comprehensive experimental and numerical study...