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Keywords: heat transfer
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091002.
Paper No: TURBO-23-1218
Published Online: April 4, 2024
.... , Oliver , T. , and Bogard , D. G. , 2021 , “ Adjoint Optimization of Film Cooling Hole Geometry ,” Volume 5A: Heat Transfer—Combustors; Film Cooling, American Society of Mechanical Engineers , Virtual, Online, p. V05AT12A014 . [13] Yoon , C. , Gutierrez , D. , Furgeson , M. T...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091004.
Paper No: TURBO-23-1120
Published Online: April 4, 2024
...Tapish Agarwal; Ian Jacobi; Beni Cukurel Thermal management of turbine airfoils is a critical design consideration, but the impact of unsteadiness on heat transfer of attached flow regions has received less attention in the literature. When turbine surfaces are subjected to unsteady zero-mean flow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061007.
Paper No: TURBO-23-1270
Published Online: January 29, 2024
... [24] Han , J. C. , Dutta , S. , and Ekkad , S. , 2012 , Gas Turbine Heat Transfer and Cooling Technology , Taylor & Francis , New York, NY , pp. 1 – 844 . [25] Zhang , S. , Shen , X. , Li , Z. , Liu , X. , and Dong , S. , 2022 , “ Strength Analysis...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051008.
Paper No: TURBO-23-1279
Published Online: January 16, 2024
...Alexander J. Wildgoose; Karen A. Thole; Erika Tuneskog; Lieke Wang The complex surface morphology and multiscale surface features inherent in additively manufactured (AM) components contribute to the overall flow characteristics and heat transfer of cooling passages. As the AM process and cooling...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061001.
Paper No: TURBO-23-1297
Published Online: January 16, 2024
... the shape deformation associated with this additive process, the results of the CT scan imaging technique are presented. The performances are characterized both in terms of averaged heat transfer and friction factor values inside the test coupons by means of steady-state technique with a constant wall...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011008.
Paper No: TURBO-23-1012
Published Online: October 31, 2023
... comparison and scaling between situations at different conditions of temperature ratio. Email: james.cartlidge@eng.ox.ac.uk 1 Corresponding author. Email: thomas.povey@eng.ox.ac.uk 17 01 2023 11 08 2023 11 08 2023 31 10 2023 fluid dynamics and heat transfer phenomena...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011010.
Paper No: TURBO-23-1083
Published Online: October 31, 2023
...Hong Wang; Peilin He; Jialong Li; Huawei Lu Particle deposition is a common phenomenon in a turbine cascade. It can change the surface condition, which influences the flow and heat transfer. It is very important to accurately predict particle deposition and surface condition changes. In this study...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011001.
Paper No: TURBO-23-1145
Published Online: October 19, 2023
...Thomas D. Walker; Clare Bonham Knowledge of heat transfer in fuel wetted passages is important for informing injector design and life estimates due to the effects of temperature on fuel degradation. Future injectors will be manufactured using additive methods in an effort to reduce production costs...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121005.
Paper No: TURBO-23-1143
Published Online: October 19, 2023
... on the radial expansion of the compressor discs, which is directly coupled to conjugate heat transfer in co-rotating discs governed by unsteady and unstable buoyancy-induced flow. This paper discusses an experimental and modeling study using the Bath Compressor Cavity Rig, which simulates a generic axial...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111003.
Paper No: TURBO-22-1267
Published Online: September 14, 2023
... into the lower section of the annulus led to a relatively high heat flux, coupled with a blockage effect on the natural draft in the upper section of the annulus inhibiting the convective heat transfer from this section. There appears to be a relationship between the porosity of the annulus and the peak top...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101004.
Paper No: TURBO-22-1365
Published Online: July 28, 2023
...Samuel Altland; Xiang I. A. Yang; Karen A. Thole; Robert Kunz; Stephen McClain Design for cooling effectiveness in turbine blades relies on accurate models for dynamic losses and heat transfer of internal cooling passages. Metal additive manufacturing (AM) has expanded the design space...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. October 2023, 145(10): 104501.
Paper No: TURBO-23-1040
Published Online: June 26, 2023
.... 1 Corresponding author. Email: ajw324@psu.edu Email: kthole@psu.edu 09 03 2023 28 05 2023 30 05 2023 26 06 2023 additive manufacturing heat transfer laser incidence angle wall thickness The additive manufacturing (AM) process, namely laser powder bed...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081013.
Paper No: TURBO-22-1265
Published Online: May 22, 2023
... distributions are the same in the three cases, the effective slope (ES) is very different, and the impact of this parameter on turbulence and heat transfer is analyzed at different Reynolds numbers. Email: serge.meynet@coria.fr Email: alexis.barge@doctorant.ec-lyon.fr 1 Corresponding author...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121003.
Paper No: TURBO-22-1059
Published Online: September 15, 2022
... heat transfer shaped hole adiabatic effectiveness and film cooling Glenn Research Center 10.13039/100006193 NNX14AE97H Gas turbines utilize film cooling on hot gas path components to increase life by lowering metal temperatures. Cylindrical film cooling holes are the most...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091001.
Paper No: TURBO-21-1147
Published Online: March 4, 2022
... presents Reynolds-averaged Navier–Stokes (RANS) conjugate heat transfer simulations that identify trends in cooling design performance as well as experimental measurements of overall effectiveness using a flat-plate matched-Biot number model with a simulated TBC layer of 0.42D thickness, where D...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081013.
Paper No: TURBO-21-1210
Published Online: March 4, 2022
... for publication in the J ournal of T urbomachinery . 25 08 2021 01 02 2022 01 02 2022 04 03 2022 computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in gas turbine combustors heat transfer film cooling effusion modeling reduced-order model...
Journal Articles