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Keywords: high-speed
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Proceedings Papers

Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A074, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129264
... (bluff-body vs swirler, confined or unconfined). Transient evolution of the flame through high-speed flame chemiluminescence imaging are recorded for selected pre-mixture injector bulk velocities ranging from 5 to 15 m/s in the lean equivalence ratio range. Additional high-speed data include schlieren...
Proceedings Papers

Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128096
..., due to the demanding operating conditions (high temperatures, toxic and explosive gases), electrical motors are not suitable to drive the syngas compressor. Therefore, a high-speed, small-scale cantilever steam turbine that can valorize the system’s waste heat to power the compression is designed...
Proceedings Papers

Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126770
... Abstract Centrifugal compressors will play a key role in efficiency of energy transition from fossil fuels in commercial and district heating applications. The overall efficiency of such compressors can be further improved by incorporating active magnetic bearings and high-speed direct drives...
Proceedings Papers

Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125975
...-temperature, high-speed, and gas-bearing supported compressor is presented in this work. An iterative process involving preliminary design, meanline analysis using commercial tools and in-house models is used for the design, which is then numerically analyzed using computational fluid dynamics. The goal...
Proceedings Papers

Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 175-181, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59702
... 23 02 2010 In order to improve the machining efficiency of ultra-precision and micro fabrication technology, a high speed spindle is essential for the minitype tools widely applied in systems such as PCB drilling machines, micro fabrication machines, dental handpieces, etc. To realize...