Leistner P., Hettler S.
Bibliographic info:
HVAC&Research, July 2004, pp 265-274, 9 Fig., 5 Ref.

This study has demonstrated that the microperforated duct is highly qualified if moderate requirements for the ventilation features and high standards for the absorption characteristic are concerned.In addition, the microperforated ducts allows for draft free ventilation concepts along with a reduction of the sound level of interior noise sources . Experimental evidence is provided in that study.