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Keywords: impingement cooling
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Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103305
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-103305 CONJUGATE HEAT TRANSFER AND THERMAL STRESS IN AN IMPINGEMENT COOLING UNIT FOR GAS TURBINE VANE Shanyou Wang Tsinghua University Beijing, China...
Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101162
...% for cylindrical, rectangular, and ribbed-type diverters, respectively. heat transfer impingement cooling crossflow analysis thermal management CFD turbulence modeling Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts...
Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102515
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-102515 STUDY ON ANTI-CROSSFLOWS CHARACTERISTICS OF JET SHAPE AND INCLINATION IN MULTIPLE JET IMPINGEMENT COOLING Qingsong Hu, Yi Wang, Kefeng Yang...
Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82304
... Engines, Deposition and Fouling, Impingement Cooling, CMAS Chemistry, AFRL02 NOMENCLATURE AFRL02 Air Force Research Lab Test Dust CMAS Calcium-Magnesium-Alumino-Silicate FBC Fluidized Bed Combustion TBC Thermal Barrier Coating XRD capture X-Ray Diffraction Capture Efficiency 1. INTRODUCTION Gas turbine...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59080
... Abstract Impingement cooling is an effective cooling structure in gas turbine blades, but the downstream heat transfer will be reduced seriously by crossflow. It has been proven that equipping a crossflow diverter in impingement channel can make jet free from crossflow and enhance...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58897
.... In the leading edge of the L turbulence structure height[mm] blade where has the high heat load, jet impingement cooling is widely used due to its high heat transfer characteristic in m mass flow [kg/s] stagnation region.The focus is on finding a cooling structure that can improve the heat transfer effect...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14196
... transfer by 15.1% and 13.2% for non-chamfered and chamfered configurations respectively. equilaterally staggered jet impingement cooling LES flow visualization heat transfer HEAT TRANSFER AND FLOW VISUALIZATION OF EQUILATERALLY STAGGERED JET ARRANGEMENT ON A FLAT SURFACE Alankrita Singh...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14747
... height can improve local heat transfer, continuing to increase mainly enlarge heat transfer area. The decent aerodynamic shape decreases the flow discharge coefficient by only 2% at the rib height of 0.3H. impingement cooling roughness element heat transfer flow discharge coefficient...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15966
... Abstract Impingement cooling is a well-established technique to reduce the thermal load of hot gas components in gas turbines. Although the technique is widely used, correlations are nonetheless the standard design method, as the flow field and heat transfer are notoriously difficult to predict...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A032, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16102
... are dominant in a maximum-crossflow configuration. jet impingement concave-convex pimple-dimple impingement cooling heat transfer enhancement MULTI-JET IMPINGEMENT HEAT TRANSFER WITH A DIMPLE-PIMPLE PATTERNED JET PLATE Husam Zawati, Gaurav Gupta, Yakym Khlyapov, Erik Fernandez, Jayanta Kapat...
Topics: Heat transfer
Proceedings Papers

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91084
... Abstract Jet impingement cooling is an important way to cool turbine blades. Ribbed channels are widely used in the chord region of turbine blades and are an important internal cooling structure. In the design process of the internal cooling structure of the conventional turbine blade...
Proceedings Papers

Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A016, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94473
... Impingement cooling pin-fin roughened plate numerical A numerical investigation of the heat transfer characteristics within an array of impingement jets on a flat and square pin-fin roughened plate with spent air in one direction has been conducted. Four types of optimized pin-fin...
Proceedings Papers

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1155-1164, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45287
... 07 05 2012 A mathematical model used for studying jet impingement cooling characteristics is established, and the rationality of the calculation model and method is confirmed by the experimental data. The CFX software is used to numerically simulate the jet impingement cooling...
Proceedings Papers

Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 149-159, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59282
... the configuration tested the case of one edge open exit configuration with single row of staggered effusion holes (Case-C1s) shows higher heat transfer among others. Gas turbine blade cooling Impingement cooling Film holes CFD Proceedings of ASME Turbo Expo 2009: Power for Land, Sea and Air F S C ch...
Proceedings Papers

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 23-34, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27020
... impingement cooling heat transfer enhancement film cooling pin fin cooling effectiveness An integrated impingement and pin-fin cooling configuration is investigated experimentally. Temperature measurements have been performed for several test pieces with various pin/hole arrangements...
Topics: Cooling
Proceedings Papers

Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 133-142, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38215
... 05 02 2009 The cooling configuration adopted in this study integrates impingement cooling and pin fin cooling devices into one body, the aim being enhancement of the effective heat transfer area. The purpose of the study is to confirm improvement of cooling effectiveness for two...
Proceedings Papers

Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 465-479, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68504
... loss. he present work includes shear pattern visualisation on get surface, pressure loss measurements and heat transfer cient measurements for an impingement cooling system imply shaped roughness elements-specifically cylindrical mond pimples. Flow visualisation results and pressure easurements...
Proceedings Papers

Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 263-273, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68186
... The three (2) 3 sharp are r hole from jets were conf varie respe detai Nuss press the s show Nuss Proceedings of GT2005 ASME Turbo Expo 2005: Power for Land, Sea and Air June 6-9, 2005, Reno-Tahoe, Nevada, USA1 Copyright © 2005 by ASME ncement in an impingement cooling system. Three configurations...
Proceedings Papers

Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 385-395, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68348
... impingement cooling heat transfer enhancement CFD film cooling pin fin Experimental and numerical studies were conducted for the development of the integrated impingement and pin-fin cooling configuration. In the development, the spatial arrangements of impingement hole, pin-fin...