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Keywords: film cooling
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Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A025, June 13–17, 2022
Paper No: GT2022-82849
... between the internal and film cooling flow of the turbine blade. magnetic resonance velocimetry gas turbine heat transfer internal cooling film cooling flow measurement Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A005, June 13–17, 2022
Paper No: GT2022-79662
.... In other words, the first stage NGV’s lifespan is determined by the vane material’s durability. Therefore, effective cooling systems and thermal barrier coating (TBC) are provided. This paper presents a numerical prediction of the thermomechanical sensitivity of the first stage NGV with film cooling under...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A045, June 13–17, 2022
Paper No: GT2022-83961
.... As for the external cooling, film cooling technology has been widely used in the modern advanced design of gas turbines in order to enhance the cooling performance and reducing the cooling air usage. According to the public literature, conventional cylindrical film cooling hole has been studied by many researchers...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A044, June 13–17, 2022
Paper No: GT2022-83436
... Abstract With the advent of the use of additive manufacturing to build gas turbine components, the design space for new hole geometries is essentially unlimited. Recently, a computational adjoint based optimization method was used to design shaped film cooling holes fed by internal co-flow...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A025, June 13–17, 2022
Paper No: GT2022-82358
... Abstract The present study employed computational fluid dynamics (CFD) to explore the effect of the shape parameters of fan-shaped holes on film cooling effectiveness, and the optimum values and variation laws of each shape parameter to maximize the averaged film cooling effectiveness were...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A022, June 13–17, 2022
Paper No: GT2022-82189
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82189 EFFECT OF LOCATION AND ROTATIONAL REYNOLDS NUMBER ON FILM COOLING OF ROTATING BLADE PRESSURE SIDE Meng Long Beihang University Beijing, China Li...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A013, June 13–17, 2022
Paper No: GT2022-81307
... of magnitude as the advection term associated with mean motion and thus is not negligible when considering the convective heat transfer problem of film cooling, which differs from the conclusion drawn from the incompressible-jets-in-crossflow studies. The inaccuracy of RANS turbulent modeling caused by counter...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A004, June 13–17, 2022
Paper No: GT2022-78286
..., Lesley M. Wright, and Je-Chin Han Turbine Heat Transfer Laboratory Texas A&M University College Station, TX, USA JC-Han@TAMU.edu Ching-Pang Lee Independent Consultant Cincinnati, Ohio, USA ABSTRACT This study measures the film cooling effectiveness along the trailing edge of a turbine blade in a linear...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A035, June 13–17, 2022
Paper No: GT2022-82787
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82787 DEVELOPING A SCALAR FLUX MODEL SOLELY BASED ON MEAN FLOW QUANTITIES FOR THE FILM COOLING JET FLOW Bo Shi Tsinghua University Dept. Energy and Power...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A034, June 13–17, 2022
Paper No: GT2022-82778
... Ma1 Wei Zeng1, Siming Dai1, Hongmei Jiang2 1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China 2. UM-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai, China ABSTRACT Film cooling, as a key technology to ensure turbine survival in new generation gas turbines...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A031, June 13–17, 2022
Paper No: GT2022-82726
... gas. V06AT12A031-1 Copyright © 2022 by ASME This method of cooling is termed lm cooling . The design and operation of lm cooling holes for optimal protection remains a vast area of study in turbomachinery research. Film Cooling Film cooling analysis shows that the e cacy of a lm cooling scheme can...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A032, June 13–17, 2022
Paper No: GT2022-82755
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82755 EFFECT OF INLET PRESWIRL ON THE FILM COOLING CHARACTERISTICS OF TURBINE VANE SURFACE Xinnan Chena, Zhigang Lia, Jun Lia*, Qingzong XUb, Qiang DUb...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A007, June 13–17, 2022
Paper No: GT2022-79923
... optimization approach based on Large Eddy Simulations and Efficient Global Optimization (EGO) is presented. The shape of a fan-shaped hole used for turbine film cooling is then optimized to maximize the film cooling performance and the numerical problem is modeled using flow configurations close to those...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A041, June 13–17, 2022
Paper No: GT2022-83201
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-83201 DEVELOPMENT AND EVALUATION OF SHAPED FILM COOLING HOLES DESIGNED FOR ADDITIVE MANUFACTURING Michael T. Furgeson1 Emma M. Veley2, Christopher Yoon1...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A021, June 13–17, 2022
Paper No: GT2022-82178
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82178 EXPERIMENTAL INVESTIGATION OF EFFUSION FILM COOLING ON A CYLINDRICAL LEADING EDGE MODEL I-Cheng Huang National Yang Ming Chiao Tung University...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A010, June 13–17, 2022
Paper No: GT2022-80700
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-80700 EFFICIENT MODELLING OF BLADE FILM COOLING IN GAS TURBINES Justin Penrose Ansys UK Ltd Milton Park, UK Laith Zori Ansys Inc Lebanon, NH David Pons...
Proceedings Papers

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A029, June 13–17, 2022
Paper No: GT2022-82555
..., Xi an 710049, China ABSTRACT With increasing aerodynamic and thermal loads, film cooling has been a popular technology integrated into the design of the modern gas turbine vane endwall, especially for the first-stage vane endwall. A staggering amount of research has been completed to quantify...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A023, June 13–17, 2022
Paper No: GT2022-83498
... sweeping jet fluidic oscillators film cooling gas turbine heat transfer Abstract The sweeping jet can be a promising candidate in film cooling applications since it has a large lateral jet spreading which can be considered an advantage when compared to the regular steady jet film...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A024, June 13–17, 2022
Paper No: GT2022-83533
... jets. Will they move synchronously with the fluid or asynchronously with a phase lag? How would the interaction between the droplets and the sweeping jets affect the film cooling effectiveness? To answer these questions, Part II of this paper specifically focuses on investigating the droplet dynamics...
Proceedings Papers

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A023, June 7–11, 2021
Paper No: GT2021-59780
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59780 CFD EVALUATION OF INTERNAL FLOW EFFECTS ON TURBINE BLADE LEADING-EDGE FILM COOLING WITH SHAPED HOLE GEOMETRIES Christopher C. Easterby1 Jacob D. Moore1, David...