P&K 2714

Muzzle noise of a stack

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Calculation form for muzzle noise of a stack

Noises of diverting gases over a stack muzzle as a function of the flow rate, muzzle surface and temperature.

see VDI 3733, September 1983

Lw=4+50*lg(v)+10*lg(v/10+1)+10*lg(F)-25*lg((T+273)/273)

Descriptor

Descriptor is a user defined text, which will be transfered, by pressing OK, together with the results into the appropriate tables.

Flow rate (v) [m/s]

Muzzle rate (F) [m2]

Temperature (T) [°C]

Relative spectrum [dB]

see Relative spectrum

A-Emission level (Lw) [dB[A]]

Emission spectrum [dB]