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Keywords: impingement cooling
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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
Paper No: GT2022-82304
... trend. Results are interpreted through the lens of CaO-MgO-Al 2 O 3 -SiO 2 eutectic chemistry, but the chemical pathways by which these eutectics come into existence is found to be of equal importance. gas turbine engines deposition and fouling impingement cooling CMAS chemistry AFRL02...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A008, June 7–11, 2021
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
Paper No: GT2021-58897
... Abstract Impact cooling is an effective way to enhance heat transfer, especially in the gas turbine blades. In the leading edge of the blade where has the high heat load, jet impingement cooling is widely used due to its high heat transfer characteristic in stagnation region. The focus...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A002, September 21–25, 2020
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
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, V07AT15A032, September 21–25, 2020
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
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
Paper No: GT2013-94473
... obtained. The highest total heat transfer rate increased up to 162% with barely any extra pressure loss compared with that of the flat plate. Pressure distributions and streamlines have also been captured to explain the heat transfer characteristic. Impingement cooling pin-fin roughened plate...
Proceedings Papers

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1155-1164, June 6–10, 2011
Paper No: GT2011-45287
... 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 characteristics on a gas...
Proceedings Papers

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 23-34, May 14–17, 2007
Paper No: GT2007-27020
... of the hole arrangement. impingement cooling heat transfer enhancement film cooling pin fin cooling effectiveness Proceedings of GT2007 ASME Turbo Expo 2007: Power for Land, Sea and Air May 14-17, 2007, Montreal, Canada GT2007-27020 1 Copyright © 2007 by ASME combustion gas flow is 380000...
Topics: Cooling
Proceedings Papers

Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 133-142, June 16–19, 2003
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...