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Keywords: Compressor
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Journal Articles
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051010.
Paper No: TURBO-22-1284
Published Online: November 25, 2022
...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...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051005.
Paper No: TURBO-22-1153
Published Online: November 25, 2022
...Joshua M. Maynard; Andrew P. S. Wheeler; James V. Taylor; Roger Wells Direct numerical simulations (DNS) are performed of a cantilevered stator blade to identify the unsteady and turbulent flow structure within compressor tip flows. The simulations were performed with clearances of 1.6% and 3.2...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051007.
Paper No: TURBO-22-1225
Published Online: November 25, 2022
...Michael Casey; Christopher Robinson A diagram is described which demonstrates important aspects of the exit velocity triangle of a radial compressor impeller with no inlet swirl. Although this diagram is based on work dating back to 1941, it is not widely known in the radial compressor community...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051009.
Paper No: TURBO-22-1280
Published Online: November 25, 2022
...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...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041009.
Paper No: TURBO-22-1256
Published Online: November 7, 2022
...Armando Del Rio; Ernesto Casartelli; Benno Fleischli; Luca Mangani Centrifugal compressors are mainly designed with the best efficiency point in mind and the focus oriented toward the impeller. The vaned diffuser geometry is usually developed using simple shapes, such as prismatic blades or wedges...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041011.
Paper No: TURBO-22-1234
Published Online: November 7, 2022
...Sungho Yoon; Patricia Cargill Casing treatment is an advanced design feature intended to improve the stability of a compressor. Various investigations have been conducted based on both experimental and numerical studies at least over the last 50 years. In general, it has been demonstrated...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041006.
Paper No: TURBO-21-1089
Published Online: November 4, 2022
... 2022 04 11 2022 computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines measurement techniques turbine blade and measurement advancements turbomachinery...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041001.
Paper No: TURBO-22-1056
Published Online: November 3, 2022
...Xiawen Zhang; Yaping Ju; Zhen Li; Feng Liu; Chuhua Zhang The tradeoff between higher efficiency and wider stability of performance map is still one of the bottlenecks to hamper the further research and development of advanced multistage axial-flow compressor. The recent rapid growth...
Journal Articles
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021013.
Paper No: TURBO-22-1213
Published Online: November 3, 2022
...Tobias Doerr; Sebastian Schuster; Dieter Brillert Droplet-laden flows play a significant role in the development of turbomachinery. For example, fine water droplets are injected into the flow path of axial compressors to increase the power output of gas turbines by making use of evaporation cooling...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041002.
Paper No: TURBO-22-1175
Published Online: November 3, 2022
... aeromechanical instabilities computational fluid dynamics (CFD) fan compressor and turbine aerodynamic design turbomachinery blading design Civil turbofan engine technology development is propelled by the ever-increasing demand for reducing specific fuel consumption (SFC) and emissions...
Journal Articles
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021012.
Paper No: TURBO-20-1233
Published Online: October 20, 2022
...Krishan S. Chana; Robert J. Miller Reaction is the fundamental parameter by which the asymmetry of the velocity triangle of a stage is set. Little is understood about the effect that a reaction has on either the efficiency or the operating range of a compressor. A particular difficulty...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031002.
Paper No: TURBO-22-1155
Published Online: October 17, 2022
... ], are mainly oriented to axial compressors and focussed on higher solidities and lower inlet flow angles (from the axial direction; Fig. 1 ) compared to fans. The latter possibility, widely employed for the design of industrial applications, consists in using the isolated airfoil data and exploiting...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031007.
Paper No: TURBO-22-1227
Published Online: October 17, 2022
...J. D. Chiapperi; E. M. Greitzer; C. S. Tan In this paper, we (i) present a methodology for determining the aerodynamic performance of bi-directional turbomachines for pumped thermal energy storage, i.e., turbomachines designed to operate as a compressor in one direction, and then as a turbine...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031008.
Paper No: TURBO-22-1226
Published Online: October 17, 2022
... compressor analysis, which predicts a more uniform axial velocity the larger the magnitude of the slope of the compressor characteristic, − d ψ / d ϕ [ 11 ]. The implication is that the fan rotor incidence distortion is determined mainly by the axial velocity distortion at the rotor and only...
Journal Articles
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021010.
Paper No: TURBO-22-1183
Published Online: October 12, 2022
... of T urbomachinery . 19 07 2022 03 09 2022 06 09 2022 12 10 2022 computational fluid dynamics (CFD) compressor and turbine aerodynamic design turbomachinery blading design robust design optimization design under uncertainty Bundesministerium für Wirtschaft...
Journal Articles
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021002.
Paper No: TURBO-21-1301
Published Online: October 11, 2022
...Beom-Jin Joe; Min-Hyeok Kim; Suk-Yoon Hong; Jee-Hun Song Prediction of the tip clearance noise (TCN) of axial compressors is essential to accurately determine the noise level of the compressor, because it is left unattenuated during propagation. The existing studies on numerical methods...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011009.
Paper No: TURBO-22-1189
Published Online: October 7, 2022
...) of ASME for publication in the J ournal of T urbomachinery . 22 07 2022 29 08 2022 30 08 2022 07 10 2022 nonsynchronous vibrations Van der Pol fluid–structure interaction reduced-order model computational fluid dynamics (CFD) fan compressor and turbine aerodynamic...
Journal Articles
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111008.
Paper No: TURBO-22-1019
Published Online: July 21, 2022
... been studied for axial compressors (see, e.g., Day [ 2 ]). Reducing the stall margin is also a way to extend the operating range of an axial fan. However, both solutions require a good comprehension of the mechanisms that may occur before and during the stall onset to efficiently detect and control...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101008.
Paper No: TURBO-21-1221
Published Online: April 19, 2022
...Qiang Liu; Will Ager; Cesare Hall; Andrew P.S. Wheeler This paper investigates the surface boundary layer and wake development of a compressor blade at a range of low Reynolds number from 45,000 to 120,000. Experiments in a miniature linear compressor cascade facility have been performed...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071013.
Paper No: TURBO-21-1167
Published Online: March 16, 2022
... 07 2021 24 01 2022 24 01 2022 16 03 2022 aerodynamic topology optimization high-pressure turbine tip leakage flow cavity and leaking flows fan compressor and turbine aerodynamic design turbomachinery blading design Copyright © 2022 by ASME 2022 American Society...