Near-Field Acoustical Characterization of Clustered
2020-8-6 · = peak frequency, Hz 41b = bandwidth of the frequency band, Hz LWb = sound pow'er level in the band centered on frequency b, dB (re I O Me = jet exit Mach number, Ue ae = nozzle mass flow rate, kg/s n = number of nozzles r = length of the radius line from the assumed position of the frequency source to the point on the vehicle r 3 = exit radius of individual nozzles
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