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Keywords: Gas turbine
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Proceedings Papers

Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT11A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102672
..., coupled laser diagnostics, combustion, gas turbine 1. INTRODUCTION To drive the energetic transition of the aviation sector, aeroengine manufacturers are developing innovative low-carbon aircraft engines based on disruptive technologies. As an example, the flightpath 2050 goals from ACARE (advisory...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102660
... green hydrogen gas turbine renewable energy efficiency emissions Abstract As carbon reduction goals are being established worldwide with various target dates ranging from reductions by typical timeframes around 2030 to net-zero by 2050, the power industry is anticipated to lead...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101731
... hydrogen NO x emissions gas turbine combustor catalytic reduction R&D Abstract Current U.S. government policy seeks to achieve a completely carbon-free economy by 2050, with a carbon-free electricity sector by 2035 (per executive orders #14008 and #14057). To address these goals...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103708
... gas turbine monitoring cyber security Abstract This paper outlines a process for proactive mitigation measures for detecting and preventing threats through detection of exploited vulnerabilities in power generation assets. In many cases, these vulnerabilities are only known to deep...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102065
... gas turbine performance combustion Abstract As gas turbines are operated and maintained, it is key to understand engine firing temperatures at cyclical and variable load operations, and more specifically, the tradeoff between engine performance, repair costs and reliability...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103962
... gas turbine combustion hydrogen decarbonization Abstract Gas turbines continue to play a vital role in the global push for decarbonization, both for near-term reductions as coal phases out for natural gas operation and long-term transitions to carbon-free fuels. While decarbonization...
Proceedings Papers

Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101672
... gas turbine heat transfer film cooling advanced shaped hole Abstract Film cooling is applied to various high-temperature components of a gas turbine and greatly affected by the shape of the injection hole. Numerous studies have been conducted to investigate various film cooling...
Proceedings Papers

Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT11A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103853
... gas turbine combustor turbine interaction CFD SBES Abstract The physical phenomena due to the interaction between the combustor chamber and the first stage nozzle arouse an ever-increasing interest. In fact, a complex and unsteady flow field, characterized by a high level...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100955
... gas turbine hydrogen energy storage electrolysis compressed air energy storage Abstract Increased deployment of intermittent renewable energy resources such as wind and solar PV requires long duration energy storage (LDES) to maximize their utilization. In this paper, using rigorous...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T07A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100390
... turbomachinery education gas turbine undergraduate CFD Abstract This paper outlines the update of a turbomachinery course to cover 3D aerodynamics using a Reynolds Averaged-Navier Stokes solver. Prior to the activities outlined in this paper the course was taught in a conventional way...
Proceedings Papers

Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT11A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103017
... gas turbine combustor turbine interaction swirling flow CFD RANS SBES experiments HTC PSP Abstract In order to further improve gas turbine efficiency and performance and reduce NOx emissions, the ever-increasing employment of lean-premix combustors results in very severe...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103095
... gas turbine modernization & upgrade efficiency increase power increase decarbonization verification thermography Abstract Affordability, reliability, and sustainability are the core properties for power generation towards a new energy system. Therefore, our Siemens Energy gas...
Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101389
... Abstract In gas turbines, sealing flow is extracted from the high-pressure compressor and supplied into the turbine wheel-space to suppress hot gas ingestion. Such hot gas ingestion is thought to be driven by the difference in either the static pressure or swirl between the mainstream and wheel...
Proceedings Papers

Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T16A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103655
... Aerospace, Campo Real, 1962, El Refugio, Querétaro, México 5GE Aerospace, Cincinnati, Ohio, USA ABSTRACT The LM2500 gas turbine was derived from General Electric TF39 and CF6 aircraft engines and has been a best-selling model for over 40 years. The fourth generation LM2500+G4 introduced in 2005 offers...
Proceedings Papers

Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101741
... Change of the base material during gas turbine operation Artificial aging Accelerate change of the base material performed in an air furnace 1 Copyright © 2023 by ASME 1. INTRODUCTION Nickel base superalloys are widely used as the materials for casting power generating gas turbine blades. These materials...
Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102768
... gas turbine rim seal sealing effectiveness inflow swirl numerical simulation Abstract Turbine inlet swirl condition is inherently present at the combustion chamber outlet and has an important influence on mainstream flow and gas ingestion. The sealing effectiveness and ingestion...
Proceedings Papers

Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102361
... gas turbine thermo-fluid network 1D model sensitivity analysis power turbine casing secondary air system Abstract The gas turbine engine operates in high-temperature, instantly changing power demand and various atmospheric conditions. Therefore, turbine inlet temperature and material...
Proceedings Papers

Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T19A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103985
... at the level of local compressor station for gas transmission and storage, namely the so-called hybrid gas turbines. With mechanical gas turbine hybridization, an electric motor-generator and a clutch are added to the turbo-compressor shaft line, traditionally a gas turbine coupled with a compressor...
Proceedings Papers

Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT25A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101940
..., Karlsruhe, Germany 4Siemens Energy Inc., Charlotte, NC ABSTRACT Intermittent renewable energy sources are becoming increasingly important. This creates a demand for more exible gas turbine operation conditions, to ll supply gaps and manage peak loads. As a result, the number of startup and shutdown cycles...