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David Peral, Ahmed Zaid, Christoph Benninghoven, Silvia Araguas-Rodríguez, David Kluß, Solon Karagiannopoulos, Robert Krewinkel, Jörg Feist
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A005, June 7–11, 2021
Paper No: GT2021-59687
... technique is then used to obtain temperatures. The maximum temperature profile of the surface can be determined through a customized calibration. Given the complex cooling system of a combustor, the high temperatures and the long-time exposure, this case offers a unique possibility for the testing...
Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Laurent Descamps, Maxime Rotenberg
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A007, June 7–11, 2021
Paper No: GT2021-59158
... distances. All geometries present 0.8 mm t pipe thickness [m] circular impingement holes arranged in a single row. The jets x spanwise coordinate [m] generated by such holes cool a flat target surface, which is Y jet-to-jet distance [m] replicated by a metal plate in the experimental setup. y streamwise...
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A010, June 7–11, 2021
Paper No: GT2021-59603
... Grain Roughness HR High Roughness PSU PennsState University RANS Reynolds-Average Navier-Stokes Keywords: Gas turbine; Roughness; Additive SLM Selective Laser Melting Manufacturing; Cooling; Heat transfer, CFD, Correlation. SST Shear Stress Transport UDF User-Defined Functions NOMENCLATURE Subscripts...
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A020, June 7–11, 2021
Paper No: GT2021-60100
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60100 COOLING PERFORMANCE OF ADDITIVELY MANUFACTURED PIN FINS IN STACKED MICROCHANNELS FOR THE INSIDE-OUT CERAMIC TURBINE SHROUD-COOLING RING P.K. Dubois1...
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A008, June 7–11, 2021
Paper No: GT2021-59470
... indicated that both the aerodynamic and In this paper the full-scale engine validation of the GT36 gas cooling performances of the turbine blades and vanes are highly turbine is described. The GT36 gas turbine as shown by Figure consistent and repeatable over a range of operating conditions. 1, is a H-class...
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A021, September 21–25, 2020
Paper No: GT2020-15406
... components. Keywords: Gas turbine; Roughness; Additive Manufacturing; Cooling; Heat transfer, CFD, Correlation. NOMENCLATURE Dh Hydraulic diameter [m] f Friction factor H Height of the channel [m] h Roughness height [m] HTC Heat Transfer Coefficient [W/m2K] k Turbulence kinetic energy [m2/s2] ks Sand grain...
Faezeh Rasimarzabadi, Ramin Kamalimoghadam, Mahmoud Najafi, MohammadReza Mohammadi, Nasrin Sahranavard Fard
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A019, September 21–25, 2020
Paper No: GT2020-15214
...COOLING IMPROVEMENT OF GAS TURBINE ROTARY BLADES Faezeh Rasimarzabadi1, Ramin Kamalimoghadam2, Mahmoud Najafi3, MohammadReza Mohammadi4, Nasrin Sahranavard Fard5 1National Research Council Canada, Ottawa, ON, Canada 2, 5 A&S Research Institute, Ministry of Science, Research and Technology, Tehran...
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A030, September 21–25, 2020
Paper No: GT2020-16295
...Abstract Abstract Efficient cooling of the thermally extremely loaded high-pressure-turbine blades and vanes is required to ensure acceptable service life. The development of cooling systems is a high-dimensional problem, since it includes multiple design parameters. The integration...
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A026, September 21–25, 2020
Paper No: GT2020-16033
...COOLED PRESSURE PROBES DESIGN METHODOLOGY FOR HARSH ENVIRONMENT APPLICATIONS Julien Clinckemaillie, Fabrizio Fontaneto firstname.lastname@example.org, email@example.com Turbomachinery and Propulsion Department von Kármán Institute for Fluid Dynamics Chaussée de Waterloo, 72 B-1640 Rhode-Saint-Genèse...
Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T10A002, June 3–7, 2013
Paper No: GT2013-94157
... The aerodynamic and acoustic performance of a locomotive cooling module is optimized by a new design strategy for the fan unit. The fan selection or development of the cooling modules is usually based on the specific design point but without consideration of installation effects. The new...
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1205-1216, June 6–10, 2011
Paper No: GT2011-45449
... transfer rates there; however the turbulent mixing in the wake of the pin fins is reduced appreciably, which leads to decreased heat transfer rates in the wake. KEY WORDS Cooling, Pin fin, dimple, heat transfer, liquid crystal thermography NOMENCLATURE D pin-fin diameter hD channel hydraulic diameter, 2...
Topics: Heat transfer
Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 615-625, June 9–13, 2008
Paper No: GT2008-50660
... 04 08 2009 The presented work demonstrates the feasibility of quasi-automatic structured mesh generation for all details in the complex cooling system of an industrial high pressure turbine stage, as required by advanced Conjugate Heat Transfer (CHT) simulations. The grid generation...
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 501-508, June 14–17, 2004
Paper No: GT2004-53122
... 25 11 2008 In this paper gas turbine power boost via inlet air evaporative fogging system is evaluated for power plants of 40 MW power output in two different locations in Sultanate of Oman. The cooling effect is quantified using evaporative cooling degree hour (ECDH) approach...
Proc. ASME. GT2004, Volume 3: Turbo Expo 2004, 45-53, June 14–17, 2004
Paper No: GT2004-53046
... 25 11 2008 The proposed contribution concerns an experimental investigation of the conjugate thermal behavior of a rib-roughened cooling channel. Previous investigations mainly were focused on the convective aspects of the heat transfer; the scaled models were made of low conductivity...
Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 619-627, June 6–9, 2005
Paper No: GT2005-68660
... 19 11 2008 Many cooling methods have been developed for gas turbine rotational components. Film cooling is one of the most commonly used technique, which introduces cold air through film cooling holes onto the outer surfaces of gas turbine components to protect them from hot...