1-20 of 24
Keywords: cooling
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100529
... and their impact on the cycle. In addition, the fuel burn on aircraft system level is assessed with exchange factors for thrust specific fuel consumption and propulsion system weight. A cooling air model for conceptual design which covers the main effects of steam injection on the required cooling air mass flow...
Proceedings Papers

Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101601
... Abstract Ceramic Matrix Composites (CMCs) offer great potential for developing lighter and more efficient aero-engines. Due to their high temperature capability, CMCs are mainly used in the hot gas section in order to replace cooled metallic components and thus save cooling air. Especially CMC...
Proceedings Papers

Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100596
... pump or the ignitor, have certified temperature limits that must not be exceeded. In order to control the thermal environment around the APU, where these equipment are located, the bay needs to be cooled down when the APU is in operation. In this study, bay cooling is achieved with an ejector system...
Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81945
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-81945 A REVIEW OF HIGH-SPEED ROTATING HP TURBINE HEAT TRANSFER AND COOLING STUDIES OVER THE LAST DECADE IN THE OXFORD TURBINE RESEARCH FACILITY Chiara...
Proceedings Papers

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80958
... Abstract In this study, the influence of grid resolution and inflow turbulence on the prediction of gas temperature distribution around HP-turbine blades and the effectiveness of cooling flows are assessed by means of a comparative, systematic study with increasing grid resolution, starting...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81791
... cool a flat target surface, which is replicated by a metal plate in the experimental setup. A steady-state technique with controlled wall heat flux is used to measure averaged heat transfer values along the target plate. The target plate is composed by a series of insulated blocks to limit lateral...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82391
... and that offer reduced weight and better thermal performance. This is of particular relevance for gas turbine cooling as well, as proved by the first applications of combustors and turbine blades made entirely by AM. Despite that, the effects of the increased surface roughness on friction and heat transfer...
Proceedings Papers

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82864
... Abstract The reduction of cooling air for first stage turbine components plays a vital role in improving the performance of heavy-duty gas turbines. To achieve this goal detailed knowledge of the external heat loads is required as well as introducing novel technologies to reduce the cooling air...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80820
... different cooling conditions. The THP material exhibited excellent durability during testing at high circumferential speeds above 580 m/s. More than 2,000 temperature measurements were obtained on pre-selected locations on the surface of the wheels. The test demonstrates that THP can be used on components...
Proceedings Papers

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59470
... pressures and metal temperatures. These measurements indicated that both the aerodynamic and cooling performances of the turbine blades and vanes are highly consistent and repeatable over a range of operating conditions. Detailed comparisons of the measured engine pressures and temperatures with predictions...
Proceedings Papers

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59687
... 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 of the coating under real engine...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59158
... in a single row. The jets generated by such holes cool a flat target surface, which is replicated by a metal plate in the experimental setup. Measurements are performed using the steady-state technique, obtained by heating up the target plate thanks to an electrically heated Inconel foil applied on the side...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A010, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59603
... in the generation of a more validated and general methodology for the high-fidelity CFD analysis of additive-manufactured components. gas turbine roughness additive manufacturing cooling heat transfer CFD correlation Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference...
Proceedings Papers

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A020, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60100
... Abstract The Inside-out ceramic turbine (ICT), a novel microturbine rotor architecture, has an air-cooled ring which keeps its composite rotating structural shroud within operating temperature. The cooling ring must achieve a significant radial temperature gradient with a minimal amount...
Proceedings Papers

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15406
... in additive manufactured components. gas turbine roughness additive manufacturing cooling heat transfer CFD correlation CFD MODELLING STRATEGIES FOR THE SIMULATION OF ROUGHNESS EFFECTS ON FRICTION AND HEAT TRANSFER IN ADDITIVE MANUFACTURED COMPONENTS Lorenzo Mazzei, Riccardo Da Soghe, Cosimo...
Proceedings Papers

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
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...
Proceedings Papers

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16033
... Abstract The present paper discusses in detail the methodology adopted for the cooling layout design of a water-cooled fast-response wall-static pressure probe intended for measurements in the combustion chamber of gas turbines. The proposed design approach is structured upon three main steps...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A030, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16295
... 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 of stochastic...
Proceedings Papers

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
Publisher: American Society of Mechanical Engineers
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...
Proceedings Papers

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1205-1216, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45449
..., additional strong vortex flows are generated near the wall beneath the main flow region, which distinctively increase the heat 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. Cooling Pin...
Topics: Heat transfer