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Keywords: internal cooling
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111006.
Paper No: TURBO-23-1085
Published Online: June 17, 2024
.../j.ijheatmasstransfer.2018.09.056 [8] Lau , S. C. , Cervantes , J. , Han , J. C. , and Rudolph , R. J. , 2008 , “ Internal Cooling Near Trailing Edge of a Gas Turbine Airfoil With Cooling Airflow Through Blockages With Holes ,” ASME J. Turbomach. , 130 ( 3 ), p. 031004 . 10.1115/1.2775489...
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
...Christopher Yoon; Elise M. Flachs; Molly E. Ellinger; David G. Bogard The overall cooling effectiveness for gas turbine airfoils is a function of the combined cooling due to internal cooling configurations and film cooling configurations. Typically, film cooling configurations are evaluated...
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
... internal cooling heat loads pressure drop convection Detonation-based combustors have received growing attention in the last decades. Due to the increase in pressure occurring during the heat addition process, resulting in a smaller amount of entropy produced, this new technology determines...
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
... as a targeting thermal protection must prevent the components from deterioration. Current state-of-the-art for internal cooling concerns rib turbulators, pin fins, impingement jets, swirling flows, and matrix cooling. For instance, pin fin arrays are commonly placed at the trailing edge of a blade to improve...
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
... Email: lesley_wright@tamu.edu Email: jc-han@tamu.edu Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 12 09 2021 06 05 2022 06 05 2022 21 07 2022 internal cooling partial height strip...
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
... September 1, 2013; published online January 31, 2014. Editor: Ronald Bunker. 04 08 2013 01 09 2013 An experimental study 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...
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
... data and validated CFD predictions in a wide range of working conditions that pertain to turbomachinery applications; namely, the internal cooling of the turbine blade's leading edge. The secondary flow structure induced by rotation turns out be more complex than the flow models commonly accepted...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031028.
Paper No: TURBO-12-1128
Published Online: March 25, 2013
.... Editor: David Wisler. 04 07 2012 15 07 2012 The pressure drop and heat transfer in a two pass internal cooling channel with two different bend geometries is experimentally studied with the goal of improving the thermal performance factor (TPF) in the coolant channel. The geometries...
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...