The following design data have to be supplied to determine the number and the type of anti-icing/bleed-heating silencers to equip one gas turbine air intake :

Total anti-icing mass flow for one air intake, kg/s

Air pressure supplied by the compressor, bar abs

Air temperature, °C

Dimensions of the filters air intake, HxW

Required sound pressure level at 1 meter, dBA

Please have a look at the following technical sheets :