CSIR Central

Aeroacoustics instrumentation and noise measurements Part II: Propeller noise measurements

IR@NAL: CSIR-National Aerospace Laboratories, Bangalore

View Archive Info
 
 
Field Value
 
Title Aeroacoustics instrumentation and noise measurements Part II: Propeller noise measurements
 
Creator Venkatakrishnan, L
Verma, SB
 
Subject Aerodynamics
 
Description Measurements were carried out on the Saras engine and propeller operating at full torque on the test bench setup of C-CADD. Near field measurements were carried out from 0deg to 110 degs in the forward quadrant. The data show the expected trends and noise spectra associated with the Blade Passing Frequency. This exercise has shown the OASPLs reach a high of about 123 dB in the near field of the Saras propeller without forward motion. Further studies are needed to ascertain the sound field in the far-field with the additive effect of geometry of fuselage and the stabilizer.
 
Publisher National Aerospace Laboratories
 
Date 2006-08
 
Type Proj.Doc/Technical Report
NonPeerReviewed
 
Format application/pdf
 
Identifier http://nal-ir.nal.res.in/9958/1/PD_EA_0615.pdf
Venkatakrishnan, L and Verma, SB (2006) Aeroacoustics instrumentation and noise measurements Part II: Propeller noise measurements. Project Report. National Aerospace Laboratories, Bangalore.
 
Relation http://nal-ir.nal.res.in/9958/