RCAIDE.Library.Methods.Noise.Correlation_Buildup.Turbofan.primary_noise_component.primary_noise_component

primary_noise_component(Velocity_primary, Temperature_primary, R_gas, theta_p, DVPS, sound_ambient, Velocity_secondary, Velocity_aircraft, Area_primary, Area_secondary, DSPL_p, EX_p, Str_p)

This function calculates the noise contribution of the primary jet component

Assumptions: Empirical based procedure.

Source:

[1] SAE ARP876D: Gas Turbine Jet Exhaust Noise Prediction (original) [2] de Almeida, Odenir. “Semi-empirical methods for coaxial jet noise prediction.” (2008). (adapted)

Inputs:

noise_data - RCAIDE type vehicle

Outputs:

OASPL - Overall Sound Pressure Level [dB] PNL - Perceived Noise Level [dB] PNL_dBA - Perceived Noise Level A-weighted level [dBA] EPNdB_takeoff - Takeoff Effective Perceived Noise Level [EPNdB] EPNdB_landing - Landing Effective Perceived Noise Level [EPNdB]

Properties Used:

N/A