Numerical analysis of transport in porous media to reduce aerodynamic noise past a circular cylinder by application of porous foam
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-019-08619-5
Abstract: Metal foams as porous media have very high porosity and good strength. These materials could easily be applied to exterior surfaces of metals used in different industries. Porous media have been used less in the… read more here.
Keywords: cylinder; porous media; aerodynamic noise; reduce aerodynamic ... See more keywords
Wall suction & slip effect of spherical-grooved bionic metasurface for controlling the aerodynamic noise
Sign Up to like & getrecommendations! Published in 2021 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2020.107537
Abstract: Abstract The wall suction & slip effect of the bionic metasurface with periodic spherical grooves on the vehicle body surface is proposed for aerodynamic noise control, and physical mechanism is investigated by theoretical analysis and… read more here.
Keywords: slip; wall suction; effect; boundary layer ... See more keywords
Aerodynamic noise reduction using dual-jet planar air curtains
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.06.036
Abstract: Abstract In this paper, dual-jet planar air curtains are demonstrated to be able to successfully remove aerodynamic noise radiated from tandem rods in a crossflow. Single-jet air curtains have shown significant promise as a low… read more here.
Keywords: dual jet; aerodynamic noise; noise; air curtains ... See more keywords
Aerodynamic noise prediction and reduction of H-Darrieus vertical axis wind turbine
Sign Up to like & getrecommendations! Published in 2021 at "Australian Journal of Mechanical Engineering"
DOI: 10.1080/14484846.2021.1950352
Abstract: small scale VAWTs are erected in built up areas while in these locations they will be inherently close to people. Therefore, the noise radiated from a VAWT is very significant to make an investigat... read more here.
Keywords: vertical axis; noise prediction; darrieus vertical; aerodynamic noise ... See more keywords
Aerodynamic Noise Separation of an EMU Trailer Bogie Area Using Train Operation Tests
Sign Up to like & getrecommendations! Published in 2018 at "Shock and Vibration"
DOI: 10.1155/2018/7941980
Abstract: The operation transfer path analysis (OTPA) technique was used to measure the vibration and noise transfer coefficient functions of wheel-rail noise and radiated noise from an electric multiple unit (EMU) train (high-speed train in China)… read more here.
Keywords: bogie; trailer bogie; area; noise ... See more keywords
A Novel Aerodynamic Noise Reduction Method Based on Improving Spanwise Blade Shape for Electric Propeller Aircraft
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Aerospace Engineering"
DOI: 10.1155/2019/3750451
Abstract: Aiming at the problem of excessive propeller noise in a new type of electric aircraft, in order to ensure the propeller aerodynamic characteristics simultaneously, a noise reduction method for improving the shape of the blade… read more here.
Keywords: blade; shape; method; propeller ... See more keywords
Aerodynamic noise prediction of passenger vehicle with hybrid detached eddy simulation/acoustic perturbation equation method
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"
DOI: 10.1177/0954407018782856
Abstract: Aerodynamic noise significantly affects the ride comfort of vehicle. A hybrid method combining detached eddy simulation and acoustic perturbation equations was used together with wind tunnel experiment to perform the aerodynamic noise investigation of a… read more here.
Keywords: vehicle hybrid; detached eddy; noise; simulation ... See more keywords
Aerodynamic noise from long circular and non-circular cylinders using large eddy simulations
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Aeroacoustics"
DOI: 10.1177/1475472x221093713
Abstract: Flow-induced aerodynamic noise from four cylindrical shapes of infinite length at a low subcritical flow regime is studied using Large Eddy Simulation (LES) and acoustic analogy. Numerical simulations are performed for short-span (length to diameter… read more here.
Keywords: using large; circular cylinders; large eddy; noise long ... See more keywords
Numerical research on aerodynamic radiation noises of alternators in vehicles
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2017.18290
Abstract: To study the aerodynamic noise characteristics of alternators in vehicles, this paper established a computational model for the aerodynamic noise of an alternator based on computational fluid dynamics (CFD). The alternator adopted a non-scaling model… read more here.
Keywords: alternators vehicles; paper; noises alternators; noise ... See more keywords
Numerical Investigation of Unsteady Flow and Aerodynamic Noise Characteristics of an Automotive Axial Cooling Fan
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10165432
Abstract: Low-speed axial cooling fans are frequently used to manage engine temperature by ensuring that adequate quantities of air pass through heat exchangers, even at low vehicle speeds or in the idle condition. This study aims… read more here.
Keywords: unsteady flow; noise; fan; axial cooling ... See more keywords
Theoretical and Experimental Analysis of Aerodynamic Noise in Small Wind Turbines
Sign Up to like & getrecommendations! Published in 2021 at "Energies"
DOI: 10.3390/en14030727
Abstract: This paper presents an analysis of sound pressure levels through theoretical modeling and experimental validation in a 1 kW small wind turbine. The models used in the theoretical analysis are BPM (Brooks, Pope, and Marcolini)… read more here.
Keywords: small wind; theoretical experimental; wind turbine; aerodynamic noise ... See more keywords