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Keywords: turbine
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111009.
Paper No: TURBO-23-1335
Published Online: June 18, 2024
...Weichen Huang; Kechen Wang; Fei Zeng; Wenbin Chen; Wenwu Zhou; Xin Wen; Di Peng; Yingzheng Liu Roughness caused by deposition, erosion, and additive manufacturing can significantly affect gas turbine efficiency. Previous research has often examined film cooling performance under limited roughness...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041010.
Paper No: TURBO-23-1273
Published Online: December 21, 2023
...Kingshuk Dasadhikari; Yoshihiro Kuwamura This paper presents a new, rapid, flexible approach for turbine blade section design combining algorithmic and inverse techniques to enable automatic generation of blade sections guaranteed to conform to multidisciplinary requirements, with the aim...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041009.
Paper No: TURBO-23-1215
Published Online: December 21, 2023
...Lakshya Bhatnagar; Guillermo Paniagua; Eugene Clemens; Matthew Bloxham Efficiency is an essential metric for assessing turbine performance. Modern turbines rely heavily on numerical computational fluid dynamics (CFD) tools for design improvement. With more compact turbines leading to lower aspect...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031004.
Paper No: TURBO-23-1227
Published Online: November 16, 2023
...Christopher Fuhrer; Nikola Kovachev; Damian M. Vogt; Ganesh Raja Mahalingam; Stuart Mann The growing demand of high flexibility and wide operating ranges of radial turbines in turbocharger applications necessitates new methods in the turbomachinery design process. Often, design criteria...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081003.
Paper No: TURBO-22-1289
Published Online: April 3, 2023
...Ahmed Farid Ayad Hassan; Fabian F. Müller; Markus Schatz; Damian M. Vogt Multi-channel casing (MC) shows promising results in controlling the performance of the radial turbines. It has neither movable parts nor complicated control mechanisms therefore it withstands higher thermal loads compared...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121009.
Paper No: TURBO-20-1347
Published Online: July 14, 2021
...Mahmood H. Alqefl; Kedar P. Nawathe; Pingting Chen; Rui Zhu; Yong W. Kim; Terrence W. Simon The first-stage turbine of a modern gas turbine is subjected to high thermal loads which lead to a need for aggressive cooling schemes to protect its components from melting. Endwalls are particularly...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111008.
Paper No: TURBO-20-1090
Published Online: June 21, 2021
... of particle retention as a function of a reduced set of independent variables relating to both the carrier gas flow and particle. Two-dimensional CFD simulations of particle deposition are performed on the General Electric E 3 nozzle guide vane using the existing, energy-based fouling of gas turbines (EBFOG...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081009.
Paper No: TURBO-20-1358
Published Online: April 26, 2021
...Kai Zhou; Chao Zhou Experimental and numerical methods were used to investigate the aerodynamic effects of a near-casing streamwise incoming vortex flow on the tip leakage flow of different tip geometries in an unshrouded high-pressure turbine. A flat tip, a cavity tip, and a suction side winglet...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061005.
Paper No: TURBO-19-1083
Published Online: May 28, 2020
... edge turbine infrared fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling turbine blade and measurement advancements Film-cooled jet engine airfoils conventionally feature a dense array of film cooling holes...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2019, 141(1): 011005.
Paper No: TURBO-18-1217
Published Online: October 18, 2018
... surface where measurements are being made. The results of a detailed calibration show that the maximum local film effectiveness measurement error could be up to 0.05 if this effect were to go unaccounted for. Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011042.
Paper No: TURBO-11-1184
Published Online: October 31, 2012
...Alessandro Romagnoli; Colin D. Copeland; Ricardo Martinez-Botas; Martin Seiler; Srithar Rajoo; Aaron Costall 1 Corresponding author. Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J OURNAL OF T URBOMACHINERY . Manuscript received August 16...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 632–644.
Published Online: November 7, 2002
...Jeffrey P. Bons Experimental measurements of skin friction c f and heat transfer (St) augmentation are reported for low speed flow over turbine roughness models. The models were scaled from surface measurements taken on actual, in-service land-based turbine hardware. Model scaling factors ranged...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2002, 124(3): 429–438.
Published Online: July 10, 2002
...Markus Jo¨cker; Francois X. Hillion; Torsten H. Fransson; Ulf Wa˚hle´n This paper presents the detailed numerical analysis including parametric studies on the aerodynamic excitation mechanisms in a turbine stage due to the unsteady stator-rotor interaction. The work is part of the predesign study...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2001, 123(4): 739–748.
Published Online: February 1, 2001
...Jeffrey P. Bons; Robert P. Taylor; Stephen T. McClain; Richard B. Rivir Results are presented for contact stylus measurements of surface roughness on in-service turbine blades and vanes. Nearly 100 turbine components were assembled from four land-based turbine manufacturers. Both coated...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2001, 123(2): 198–206.
Published Online: February 1, 2000
...Jeffrey P. Bons; Rolf Sondergaard; Richard B. Rivir The application of pulsed vortex generator jets to control separation on the suction surface of a low-pressure turbine blade is reported. Blade Reynolds numbers in the experimental, linear turbine cascade match those for high-altitude aircraft...