... 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...

... , “ Calculation of Unsteady Wake/Rotor Interaction ,” J. Propul. Power , 4 ( 4 ), pp. 356 – 362 . 10.2514/3.23074 CFD = computational fluid dynamics DP = design point IF = interface L = constant speed line LE = leading edge NS = near surge PS = pressure surface...

... compressors and pumps compressor stall surge operability computational fluid dynamics (CFD) The rapid growth of computer power, and advancements in numerical techniques have made computational fluid dynamics (CFD) methods powerful and essential tools for modeling turbomachinery flows...

... 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 straight wind tunnel. There are no conflicts of interest. 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...

... rotating instabilities unsteady flow tip clearance flow compressor stall surge and operability computational fluid dynamics (CFD) Deutsche Forschungsgemeinschaft 10.13039/501100001659 426295581 The rotor tip flow field in axial compressors can be subject to significant...

... 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...

... and stators variable speeds design and adjustment optimization data mining compressor stall surge and operability fan compressor and turbine aerodynamic design turbomachinery blading design National Natural Science Foundation of China 10.13039/501100001809 52206051 The design...

... 10 2023 09 10 2023 16 11 2023 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...

...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...

...Fangyuan Lou; Herbert M. Harrison; Nicole L. Key The identification of stall inception mechanisms and stability-limiting components in a centrifugal compressor is required for the development of effective surge suppression approaches. Part I of this two-part paper investigates the surge signature...

...Fangyuan Lou; Herbert M. Harrison; William J. Brown; Nicole L. Key In the first part of the paper, surge signatures and the underlying mechanisms thereof for a high-speed centrifugal compressor were investigated using signals from fast-response transducers installed along the flow path...