Feasibility of reducing one source of high intensity sound waves, namely exhaust of reciprocating air engine; silencer involves principle of high series inductance blocking pulsations, but allowing passage of steady flow and high shunt capacitance, bypassing or absorbing pulsations; exhaust silencer developed experimentally for Westland S.55 Whirlwind helicopter by Vokes Ltd. (see also Engineering v 179 n 4647 Feb 18 1955 p 217)
Practical silencer design for piston engined aircraft
Am Helicopter
American Helicopter ; 37 , n 3
1955
2 pages
Aufsatz (Zeitschrift)
Englisch
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Practical silencer design for piston engined aircraft
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