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Keywords: Fan
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Journal Articles
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031006.
Paper No: TURBO-21-1165
Published Online: October 4, 2021
.... , and Govardhan , R. , 2004 , “ Vortex-Induced Vibrations ,” Annu. Rev. Fluid Mech. , 36 ( 1 ), pp. 413 – 455 . 10.1146/annurev.fluid.36.050802.122128 [16] Sanders , A. J. , 2005 , “ Nonsynchronous Vibration (NSV) due to a Flow-Induced Aerodynamic Instability in a Composite Fan Stator...
Journal Articles
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031001.
Paper No: TURBO-21-1152
Published Online: September 29, 2021
...Johannes P. Pretorius; Johan A. Erasmus Large diameter axial flow fans are used in air-cooled condenser (ACC) systems of modern power stations. Efficiency improvements on these fans can significantly reduce the ACC power consumption and increase the net sent-out power to the grid. This study...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011013.
Paper No: TURBO-21-1141
Published Online: September 21, 2021
.... This approach enables employing global-based optimization methods on high-dimensional applications through a reduced computational cost. This methodology is demonstrated on the efficiency optimization of a modern jet engine fan blade with constrained pressure ratio. The outcome is compared against a state...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011004.
Paper No: TURBO-20-1195
Published Online: September 7, 2021
...Robert Jaron; Antoine Moreau; Sébastien Guérin; Lars Enghardt; Timea Lengyel-Kampmann; Tom Otten; Eberhard Nicke Due to the increasing bypass ratios of modern engines, the fan stage is increasingly becoming the dominant source of engine noise. Accordingly, it is becoming more and more important...
Journal Articles
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121012.
Paper No: TURBO-20-1281
Published Online: July 27, 2021
... to a certain wave-number of geometry variation. The performance of this method on transonic blade rows is demonstrated on a modern fan assembly. Low engine order and high engine order geometry non-uniformity (e.g., “saw-tooth” pattern) are examined. The non-linear coupling between the flow perturbations...
Journal Articles
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111009.
Paper No: TURBO-21-1025
Published Online: June 21, 2021
...: eduardo.romero@rolls-royce.com Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 20 01 2021 13 04 2021 14 04 2021 21 06 2021 fan compressor turbine aerodynamic design transonic HP blade tip weld...
Journal Articles
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091010.
Paper No: TURBO-20-1397
Published Online: May 11, 2021
... Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 27 11 2020 17 02 2021 18 02 2021 11 05 2021 compressor stall surge and operability fan compressor and turbine aerodynamic design Mitigating surge and rotating stall in axial...
Journal Articles
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091004.
Paper No: TURBO-20-1386
Published Online: May 3, 2021
...A. Duncan Walker; Ian Mariah; Chris Hall The S-shaped duct which transfers flow from the low-pressure fan to the engine core in large civil turbofans presents a challenging problem. Aerodynamically it has a spatially and temporarily varying inlet flow combined with a complex flow field which...
Journal Articles
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061015.
Paper No: TURBO-20-1317
Published Online: April 27, 2021
... 2020 08 02 2021 08 02 2021 27 04 2021 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 turbomachinery blading design...
Journal Articles
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061014.
Paper No: TURBO-20-1342
Published Online: April 21, 2021
...Gábor Daku; János Vad This paper presents hot-wire measurements in a wind tunnel, close downstream of basic models of blade sections being representative for low-speed, low-Reynolds number axial fans, in order to explore the signatures of vortex shedding (VS) from the blade profiles. Using...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071011.
Paper No: TURBO-20-1291
Published Online: April 19, 2021
... used in this paper has been widely used in aircraft engine applications. Its implementation for low speed, low solidity (few blades) turbomachines, such as automotive cooling fans, enables predictions of cooling flows and component temperatures without calibrated fan curves. Automotive cooling fans...
Journal Articles
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061006.
Paper No: TURBO-19-1323
Published Online: April 8, 2021
...@hit.edu.cn Contributed by the Heat Transfer Division of ASME for publication in the J ournal of T urbomachinery . 30 12 2019 29 12 2020 04 01 2021 08 04 2021 compressor stall surge and operability fan compressor and turbine aerodynamic design Modern aero...
Journal Articles
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061005.
Paper No: TURBO-20-1243
Published Online: April 8, 2021
... 2021 boundary layer development computational fluid dynamics fan compressor large eddy simulation fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Gas turbines are important energy production machines in modern industry...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051006.
Paper No: TURBO-19-1092
Published Online: April 7, 2021
... of an advanced turbulence model in the inverse design. These methods improve the accuracy of the inverse design. The loading distribution in the inverse design is obtained based on the boundary vorticity flux diagnosis. An axial fan is redesigned as an example of the inverse design method. The internal flow loss...
Journal Articles
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061001.
Paper No: TURBO-20-1296
Published Online: April 7, 2021
...David Romera; Roque Corral The dependence of the aerodynamic stability of fan blades with the nodal diameter and amplitude of the inlet perturbations is studied. The analysis is conducted using a block-wise spatial Fourier decomposition of reduced passages to reconstruct the full-annulus solution...
Journal Articles
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061002.
Paper No: TURBO-20-1251
Published Online: April 7, 2021
...] Schuler , B. J. , Kerrebrock , J. L. , and Merchant , A. , 2000 , “ Design, Analysis, Fabrication and Test of an Aspirated Fan Stage ,” ASME Paper No. 2000-GT-618. [8] Merchant , A. A. , Drela , M. , and Kerrebrock , J. L. , 2000 , “ Aerodynamic Design and Analysis...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051003.
Paper No: TURBO-20-1396
Published Online: March 31, 2021
...Ben Mohankumar; Cesare A. Hall; Mark J. Wilson Fans that are designed to maintain thrust at the high angle of attack (AOA) flight condition could exploit the cruise fuel burn benefit of a shorter intake design. This article considers how the fan rotor radial pressure ratio distribution and tip...
Journal Articles
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051001.
Paper No: TURBO-20-1172
Published Online: March 30, 2021
... . 21 07 2020 04 01 2021 06 01 2021 30 03 2021 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 turbomachinery...
Journal Articles
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041007.
Paper No: TURBO-20-1082
Published Online: March 22, 2021
...Alejandro Castillo Pardo; Cesare A. Hall Boundary layer ingestion (BLI) potentially offers significant reductions in fuel burn and pollutant emissions. The propulsive fuselage concept features a fan at the back of the airframe that ingests the 360 deg fuselage boundary layer. Consequently...
Journal Articles
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021008.
Paper No: TURBO-20-1228
Published Online: February 2, 2021
... Email: karl.neuhaeuser@tu-berlin.de Email: c.behnsen@campus.tu-berlin.de Email: rudibert.king@tu-berlin.de 18 09 2020 10 11 2020 10 11 2020 02 02 2021 boundary layer development fan compressor turbine aerodynamic design turbomachinery blading design...