Results 11 to 20 of about 1,595,600 (284)
Acoustics, 2020 A benchmark of Reynolds-Averaged Navier-Stokes (RANS)-informed analytical methods, which are attractive for predicting fan broadband noise, was conducted within the framework of the European project TurboNoiseBB.
Carolin Kissner +11 more
doaj +3 more sources
On the relation between broadband noise and aerodynamic fan performance
, 2007 The influence of fan speed and fan loading on broadband noise has been experimentallyinvestigated in a low-speed scale fan rig. Based on the measurements, a simple semi-empiricalnoise model has been developed.
Moreau, A., +2 more
core +9 more sources
Flow field analysis and noise characteristics of an automotive cooling fan at different speeds
Frontiers in Energy Research, 2023 As the core component of the automotive air conditioning cooling system, the automotive cooling fan directly affects the cooling performance of the entire system. Therefore, it is necessary to study the flow field and noise of the automotive cooling fan.
Kai Ren +4 more
doaj +1 more source
Modelling & integration of advanced propulsion systems [PDF]
, 2008 This research study focuses on the design of advanced propulsion cycles, having as primary design goal the improvement on noise emissions and fuel consumption.
Doulgeris, Georgios C.
core +7 more sources
Energies, 2022 Squirrel-cage fans are widely applied in air conditioning systems, and their aerodynamic noise mainly related to blade length. The aerodynamic performance and noise spectrum of squirrel-cage fans are synchronously measured in an anechoic wind tunnel. The
Zhehong Li +3 more
doaj +1 more source
Design of a low speed vaneaxial fan [PDF]
, 2011 The ventilation of industrial areas and tunnels is a safety requirement and characterizes the quality of a working environment. Low speed fans are used to achieve the required ventilation level.
Andreadis, Eleftherios
core +7 more sources
The influence of booster design features on aicraft engine fan tonal noise
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 Fan and booster tonal noise makes significant contribution to the overall noise level of an aero engine, particularly in subsonic modes of operation.
Yu. D. Khaletskiy +2 more
doaj +1 more source
Reduction of aerodynamic noise of single-inlet centrifugal fan with inclined volute tongue
Measurement + Control, 2020 The effect of inclined volute tongue on the aerodynamic noise and performance of a centrifugal fan was investigated by experimental test in this article.
Wenyue Hao +7 more
doaj +1 more source
Experimental Study on the Half Flat Tip Serrated Trailing Edge for Stand Fan
Archives of Acoustics, 2020 The effectiveness of half flat tip serrations on reducing fan blade trailing edge noise was investigated using experimental methods. The experiments were conducted at an anechoic chamber under different rotating fan speeds.
Hsiao Mun LEE +3 more
doaj +1 more source
Research on Noise Reduction of Axial Flow Fan Cover Based on CFD/CAA [PDF]
E3S Web of ConferencesTaking an axial fan for an electronic equipment chassis as the research object, combining the theories of Computational Fluid Dynamics (CFD) and Computational Aerodynamic Acoustics (CAA), the steady state and non-stationary analyses are carried out by ...
Chen Kui +4 more
doaj +1 more source