NASA NTRS · 19830000173
Swirl Diffuser
Abstract
Gas diffuser, based on swirling flow, dissipates incoming gas velocity in relatively short distance. Pinwheel nozzle welded to end of inlet pipe creates swirling flow. Diffuser esentially open pipe with pinwheel nozzle, pressure drop in diffuser almost same as open pipe. Applications include fuel burners in room inlets for heating and air-conditioning, and carburetors for internal-combustion engines.
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Simon, W. E.. 1983-10-01. Swirl Diffuser. https://ntrs.nasa.gov/citations/19830000173
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