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Keywords: internal cooling
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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
... of the complex cooling configuration was developed, and quantification of the increase in overall cooling effectiveness was performed in a 1X scale, high-speed facility using infrared thermography. This study produced a PDC AM process, capable of printing complex internal cooling schemes in 1X scale turbine...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051004.
Paper No: TURBO-23-1230
Published Online: January 16, 2024
.... Due to the simple design without moving parts and the high-frequency outlet flow, RDCs represent the most promising solution for integration in gas turbines [ 2 ]. heat transfer and film cooling RDC PGC liner internal cooling heat loads pressure drop convection Copyright © 2024...
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
... for all the additively manufactured coupons (©2023 Baker Hughes Company – All rights reserved) Averaged Nusselt number values as a function of Reynolds number for all the additively manufactured coupons (©2023 Baker Hughes Company – All rights reserved) internal cooling lattice additive...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011004.
Paper No: TURBO-22-1151
Published Online: October 7, 2022
.... Internal cooling structures include leading edge impingement cooling, U-shaped serpentine passage with/without turbulence ribs at blade mid-chord, and trailing edge pin fins. External cooling structures include film holes near the leading edge stagnation point, at the blade tip, and on the trailing edge...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111006.
Paper No: TURBO-21-1234
Published Online: July 21, 2022
... 06 05 2022 21 07 2022 internal cooling partial height strip fin thermal performance friction loss heat transfer enhancement Extensive research efforts continue to improve the cooling solutions employed within gas turbine engines used in land-based power generation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091002.
Paper No: TURBO-21-1179
Published Online: March 4, 2022
... holes and blade shape, which change the secondary flow and flow non-uniformity of the internal cooling flow. This study conducted an experimental and numerical analysis to characterize the secondary flow and flow non-uniformity in a realistic internal cooling serpentine passage. Magnetic resonance...
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
...Matthew J. Horner; Christopher Yoon; Michael Furgeson; Todd A. Oliver; David G. Bogard Few studies in the open literature have studied the effect of thermal barrier coatings (TBC) when used in combination with shaped hole film cooling and enhanced internal cooling techniques. The current study...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2014, 136(8): 081004.
Paper No: TURBO-13-1179
Published Online: January 31, 2014
... is conducted on a simulated internal cooling channel of a turbine airfoil using angled grooves and combination of grooves-ribs to enhance the heat transfer from the wall. The grooves are angled at 45 deg to the mainstream flow direction and combinations of four different geometries are studied that include (1...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2014, 136(3): 031019.
Paper No: TURBO-13-1083
Published Online: October 25, 2013
... to the passages used for the internal cooling of the gas turbine blade's leading edge. Heat transfer data are also available from the literature on the same geometry and at comparable working conditions and have been profitably used for a combined aerothermal analysis. The model consists of a straight smooth...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021035.
Paper No: TURBO-11-1210
Published Online: November 8, 2012
... 8, 2012. Editor: David Wisler. 19 09 2011 10 01 2012 This paper presents a comparative numerical study of turbulent flow inside a two-pass internal cooling channel with different bend geometries. The goal is to find a geometry that reduces the bend related pressure loss...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2003, 125(3): 585–597.
Published Online: August 27, 2003
...Yoji Okita; Hector Iacovides This paper presents computations of flow and heat transfer through passages relevant to those used to internally cool gas-turbine blades, using high-Reynolds-number models of turbulence. Three types of internal flows are first examined, which between them contain all...