Landing Gear Aerodynamic Noise Prediction Using Building-Cube Method

Table 3

Computational condition of LEG model.

Reynolds number, Re	1.49×10^6
Characteristic length, 𝐷	0.4 [m] (wheel diameter)
Freestream velocity	54.4 [m/s]
Computational domain	60𝐷×60𝐷×30𝐷
Minimum mesh spacing	3.66×10^−3 𝐷
Total number of cells	About 90 million
Sampling frequency	75 [−] (10 [kHz))
Frequency resolution	0.147 [−] (20 [Hz])
Length of FFT	512
Averaging	10 times
Overlap	50%