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Keywords: internal cooling
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Proceedings Papers

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A004, June 7–11, 2021
Paper No: GT2021-58950
...Abstract Abstract Few studies in the open literature have studied the effect of thermal barrier coatings when used in combination with shaped hole film cooling and enhanced internal cooling techniques. The current study presents RANS conjugate heat transfer simulations that identify trends...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A002, June 7–11, 2021
Paper No: GT2021-58725
... internal cooling semi-attached ribs numerical simulation Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-58725 MULTI-OBJECTIVE OPTIMIZATION ON THE FLUID FLOW AND HEAT TRANSFER OF SEMI-ATTACHED RIB-CHANNELS Xu Wang1...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A019, June 7–11, 2021
Paper No: GT2021-59774
..., and partial height strip fins with the gap size of G/H = 0.3 provide the greatest thermal performance for flow Reynolds numbers ranging from Re = 40,000–80,000. internal cooling partial height strip fin thermal performance friction loss heat transfer enhancement Proceedings of ASME Turbo Expo...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A013, June 7–11, 2021
Paper No: GT2021-59422
... temperature was performed based on the CHT calculation results. Average temperature within the solid region of the optimized blade decreased 11.1K as compared to the original case. internal cooling adjoint method heat conduction inverse design Proceedings of ASME Turbo Expo 2021 Turbomachinery...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A006, June 7–11, 2021
Paper No: GT2021-58934
...Abstract Abstract Radial impellers are not internally-cooled because of the manufacturing challenge. The conventional manufacturing method for internally-cooled components is an investment cast process using a ceramic core to create internal passages. This approach has been developed for axial...
Proceedings Papers

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A034, September 21–25, 2020
Paper No: GT2020-16115
...Abstract Abstract Leading edge multi-channel double wall design, a novel internal cooling structure, has been put forward recently to enable higher overall cooling effectiveness with less penalty of coolant mass flow and pressure loss. Our previous work has proved the advantages of the design...
Proceedings Papers

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A005, June 17–21, 2019
Paper No: GT2019-90421
... Abstract A novel internal cooling structure has been raised recently to enhance internal cooling effectiveness and reduce coolant requirement without using film cooling. This study mainly focuses on verifying the actual cooling performance of the structure and investigating the heat transfer...
Proceedings Papers

Proc. ASME. GT2008, Volume 7: Education; Industrial and Cogeneration; Marine; Oil and Gas Applications, 131-136, June 9–13, 2008
Paper No: GT2008-50431
.... Aeroderivative HPT Blade Internal Cooling Compressible Flow Network Analysis Proceedings of ASME Turbo Expo 2008: Power for Land, Sea and Air GT2008 D Pipe internal diameter Fa Thermal expansion factor Ri Exit cooling section, i=1,2,3 Re Reynolds number m Mass flow Mach Mach number Y Expansion factor...
Proceedings Papers

Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 1033-1041, June 3–6, 2002
Paper No: GT2002-30532
... and transient start time of each flow. The technique is applied to the analysis of the heat transfer within a low aspect ratio impingement channel with initial cross flow. 05 02 2009 Transient Heat Transfer Internal Cooling Turbine Proceedings of RBO EXPO 2002 002, Amsterdam T-30533...
Proceedings Papers

Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 653-663, June 14–17, 2004
Paper No: GT2004-53788
... GT24/GT26. Engine operation and performance are illustrated based on test results obtained from four different engines that have meanwhile accumulated more than 12’000 operating hours (OH) in commercial operation with ALSTOM’s AL Fog ® high fogging system. The effect of internal cooling (water...
Proceedings Papers

Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 241-247, May 8–11, 2006
Paper No: GT2006-90250
... the straight divider wall was designed into zigzag divider wall. 11 09 2008 internal cooling trailing edge divider wall ejection holes Proceedings of ASME Turbo Expo 2006 designed into zigzag divider wall. Keywords: internal cooling; trailing edge; divider wall; ejection holes...
Proceedings Papers

Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 909-920, May 8–11, 2006
Paper No: GT2006-91131
... Measurements using a novel heat flux sensor were performed in an internal ribbed channel representing the internal cooling passages of a gas turbine blade. These measurements allowed for the characterization of heat transfer turbulence levels and unsteadiness not previously available...