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Keywords: noise
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Proceedings Papers

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A046, June 13–17, 2022
Paper No: GT2022-81729
... without noise, as well as at the maximum noise intensity. We observe that the mode nature that dominates in the presence of an intense noise may be far from the one observed in noise-free conditions. To better understand the effect of noise in the presence of asymmetries, we repeat some of the experiments...
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
Paper No: GT2013-94157
... in an optimization algorithm taking installation effects into account. The noise emitted by the fan is addressed by a smoothed inflow velocity profile, a new blade sweep strategy, the reduction of secondary flows, and the reduction of fan size and rotational speed. The optimized fan unit is then integrated...
Proceedings Papers

Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T10A005, June 3–7, 2013
Paper No: GT2013-94588
... An important subsystem in most surface transport vehicles is the forced-air cooling module. Under specific operational conditions of the vehicle the cooling system is the major noise source and the component with the largest consumption of energy. A comprehensive time domain simulation model...
Proceedings Papers

Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 109-117, June 8–12, 2009
Paper No: GT2009-59568
..., with initial operating capability around 2015, 2020, and 2030, respectively. Each generation has associated goals for fuel burn, NO x , noise, and field-length reductions relative to today’s aircrafts. The research for the 2020 generation is directed at enabling a hybrid wing body (HWB) aircraft to meet NASA’s...
Proceedings Papers

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1561-1569, June 9–13, 2008
Paper No: GT2008-50750
... 04 08 2009 This paper deals with the effect of the blade leading edge location (R LSD ) of a low solidity cascade diffuser (LSD) on noise and diffuser performance in a centrifugal blower. The noise of the LSD was measured and analyzed comparing with that of vaneless diffuser (VLD...