Influence of swirl number on jet noise reduction using flat vane swirlers
P Balakrishnan, K Srinivasan - Aerospace Science and Technology, 2018 - Elsevier
In this work, jet noise reduction using a swirling flow surrounding a circular free jet has been
demonstrated. The passive control scheme induces swirl from six flat vanes fixed in an …
demonstrated. The passive control scheme induces swirl from six flat vanes fixed in an …
Influence of the swirl vanes in convergent-divergent nozzle on screech tones and mixing efficiency at subsonic and supersonic jet flow
Purpose The purpose of this study is to investigate the effect of coaxial swirlers on acoustic
emission and reduction of potential core length in jet engines. Design/methodology …
emission and reduction of potential core length in jet engines. Design/methodology …
Large eddy simulation of passive noise reduction in subsonic jets by using chevrons
Chevrons are widely used passive noise reduction devices that have emerged as an
significant breakthrough for aicraft industry in enabling substantial noise reduction without …
significant breakthrough for aicraft industry in enabling substantial noise reduction without …
Jet noise reduction in co-flowing jets with finite lip thickness
SK Bennett, RN Shankar - International Journal of Vehicle …, 2020 - search.proquest.com
Passive control for suppressing mixing noise from Co-Flowing Jets (CFJ) is presented in this
study. The idea behind this is to reduce the convective Mach number of turbulent eddies that …
study. The idea behind this is to reduce the convective Mach number of turbulent eddies that …
Effects of Porous Parameters on the Aerodynamic Noise of the Blowing Device of Guardrails
MH Zhang, HJ Shi - Journal of Applied Fluid Mechanics, 2022 - jafmonline.net
To solve the problem of the strong noise generated in the galvanizing process on the
surface of the guardrail board, optimal design of the outlet structure of the blowing device is …
surface of the guardrail board, optimal design of the outlet structure of the blowing device is …
[PDF][PDF] Large Eddy simulation of passive noise reduction in subsonic jets
The extent of passive noise reduction by using chevrons was examined for testing their
effectiveness in reducing jet noise. Numerical simulations of free jets were carried out using …
effectiveness in reducing jet noise. Numerical simulations of free jets were carried out using …
Preliminary studies on jet flows from flat vane swirler: Effect of twist angle
In this present work, jet noise level measurements and flow field characteristics of coaxial flat
vane Swirlers are investigated out experimentally to calculate the efficiency of the passive …
vane Swirlers are investigated out experimentally to calculate the efficiency of the passive …
Preliminary studies on jet flow from non-uniform straight vane swirler: Effect of vane orientation
The present study is about the acoustic noise levels and flow visualization for jet flow from a
coaxial pipe with a circular cross-section and six flat vanes. Experiments are conducted …
coaxial pipe with a circular cross-section and six flat vanes. Experiments are conducted …
[PDF][PDF] Preliminary studies on jet flows from flat vane swirler: Effect of twist angle
In this present work, jet noise level measurements and flow field characteristics of coaxial flat
vane Swirlers are investigated out experimentally to calculate the efficiency of the passive …
vane Swirlers are investigated out experimentally to calculate the efficiency of the passive …