Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Proposed standard to measure sound from equipment
Project to determine techniques of measuring sound power output of fans and study of sound generation and attenuation in duct systems to derive principles for formulating sound standard; criteria for standard; primary standard will be for equipment radiating sound to air in room or atmosphere; fan sound standard to cover sound power level transmitted by fans through ducts.
Proposed standard to measure sound from equipment
Project to determine techniques of measuring sound power output of fans and study of sound generation and attenuation in duct systems to derive principles for formulating sound standard; criteria for standard; primary standard will be for equipment radiating sound to air in room or atmosphere; fan sound standard to cover sound power level transmitted by fans through ducts.
Proposed standard to measure sound from equipment
ASHRAE J
Ashley, C.M. (Autor:in)
ASHRAE Journal ; 1
1959
Aufsatz (Zeitschrift)
Englisch
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