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Keywords: natural gas
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Proceedings Papers

Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102053
... Abstract This paper is a follow up to GT2022-82293, which discusses the design validation of an innovative turboexpander-generator (TEG) used for natural gas pressure letdown (PLD). This paper presents the field performance data of the 280kW machine and compares it to predictions. The TEG has...
Proceedings Papers

Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A030, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101471
...Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-101471 REVIEW AND DEVELOPMENT OF NATURAL GAS/HYDROGEN FUEL FLEXIBLE REDUCED CHEMICAL MECHANISM FOR HIGH-ORDER MODELING OF GAS TURBINES Miguel A. Valles...
Proceedings Papers

Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A031, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103212
... Abstract To reduce carbon dioxide emissions, the combustion of natural gas-hydrogen blends in a lean premix gas turbine combustor has been investigated. Previous studies have mostly investigated the fuel blends at relatively low pressure (up to 5 bar) with relatively low hydrogen concentrations...
Proceedings Papers

Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102892
... hydrogen, it is very difficult to control hydrogen combustion due to its high flame speed, pre-ignition propensity, and flashback characteristics. One method to control hydrogen combustion is to blend it with a well-established fuel. Natural gas is a common fuel for use in engines or gas turbines. Natural...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81004
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-81004 AUTOIGNITION DELAY TIME MEASUREMENTS AND CHEMICAL KINETIC MODELING OF HYDROGEN/AMMONIA/NATURAL GAS MIXTURES Jessica B. Baker1, Ramees K. Rahman1...
Proceedings Papers

Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T09A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80406
... and power modes. Results suggest that these plants are likely to be a viable way to produce flexibly low-carbon hydrogen and electricity following the market demand. natural gas reforming hydrogen carbon capture and storage Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference...
Proceedings Papers

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81576
... analyses were conducted to identify important reactions and their rate uncertainty on the model predictions, respectively. supercritical-CO2 oxy-fuel combustion syngas natural gas ammonia nitric oxide ignition emissions Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80924
... hydrogen natural gas co-combustion single burner tests industrial gas turbine Abstract Hydrogen co-firing in a gas turbine is believed to cover an energy transition pathway with green hydrogen as a driver to lower the carbon footprint of existing thermal power generation...
Proceedings Papers

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A019, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82305
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82305 THE IGNITION OF C1 C7 NATURAL GAS BLENDS AND THE EFFECT OF HYDROGEN ADDITION IN THE LOW AND HIGH TEMPERATURE REGIMES A. Abd El-Sabor Mohamed1...
Proceedings Papers

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A032, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59053
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59053 IGNITION DELAY TIME CORRELATION OF C1 C5 NATURAL GAS BLENDS FOR INTERMEDIATE AND HIGH TEMPERATURE REGIME A. Abd El-Sabor Mohamed1, Amrit Bikram Sahu1...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58870
... of hydrogen-containing fuels has been a topic of research for several decades, there are knowledge-gaps and unexplored fuel blend combustion characteristics at conditions relevant to modern gas turbine combustors. Hydrogen will be burned directly or as mixtures with natural gas (NG) and/or ammonia (NH 3...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T16A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60317
... Abstract A family of “flow-through” turboexpander-generators (TEGs) has been developed by Calnetix Technologies for hydrogen and natural gas pressure letdown applications. A flow-through TEG includes an axial expansion turbine and can be installed directly between two flanges of an existing...
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15826
... Abstract New ignition delay time measurements of natural gas mixtures enriched with small amounts of n-hexane and n-heptane were performed in a rapid compression machine to interpret the sensitization effect of heavier hydrocarbons on auto-ignition at gas-turbine relevant conditions...
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A028, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15863
..., a new sensor called NIRIS NG has been designed which analyzes the natural gas composition at the inlet of the turbine burners. The design of the NIRIS NG sensor boasts a short response time (less than one second), easy installation, simple maintenance, and low cost. This is primarily because unlike...
Proceedings Papers

Proc. ASME. GT2013, Volume 1B: Combustion, Fuels and Emissions, V01BT04A006, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94994
... and discussed with respect to the intended use. [Keywords: biomass, hybrid power plant, natural gas, ignition, laminar flame speed, reaction kinetics, decentralized power generation] NOMENCLATURE p Pressure t Time uu u' Unburnt gas velocity Turbulent intensity Da Damköhler number Hi Lower heating value Pr...
Proceedings Papers

Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 625-634, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69282
... of natural gas, methane, and hydrogen were also taken into account -as major components of biogenic gas mixtures. It was found that the reaction behavior of the wood gasification product (N 2 , CO, H 2 , CO 2 , CH 4 ) is mainly determined by its H 2 content, besides CH 4 ; methane determines the kinetic...
Proceedings Papers

Proc. ASME. GT2004, Volume 7: Turbo Expo 2004, 167-177, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-54194
... Recently natural gas prices have increased very substantially and USA’s imports have reached 19% of consumption. These trends are due, in part, to the growing number of low capital cost natural gas combined cycle (CC) electrical generating systems. A way of alleviating high NG prices would...
Proceedings Papers

Proc. ASME. GT2005, Volume 2: Turbo Expo 2005, 527-535, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68736
.... The chemical kinetic model used in this study was mpared with existing low temperature measurements and rrelations for methane and natural gas and was found to be in od agreement. EYWORDS Auto-ignition delay time, premix, low NOx, gas turbine, w rig, methane, natural gas, ethylene (ethene). TRODUCTION Recent...