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A jet engine in which air intake and combustion occur intermittently, producing rapid periodic bursts of thrust.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Aeronautics) a type of ramjet engine in which air is admitted through movable vanes that are closed by the pressure resulting from each intermittent explosion of the fuel in the combustion chamber, thus causing a pulsating thrust. Also called: pulsejet engine or pulsojet
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


a jet engine in which combustion occurs intermittently, owing to the opening and shutting of flap valves at the air intake.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


A jet-propulsion engine containing neither compressor nor turbine. Equipped with valves in the front which open and shut, it takes in air to create thrust in rapid periodic bursts rather than continuously.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive ?
Dust separated from the airflow by high-performance, spunbond nanofiber filter elements returns to the silo after an integrated automatic pulsejet air cleaning system, which is housed inside the weather protection cover, has removed it from the filter elements.
The simple, Argus-built pulsejet engine pulsed 50 times per second giving rise to the characteristic buzzing sound.
It was dubbed the "buzz bomb" because of the sound of its pulsejet engine.
His environmental retrofit projects included SO2, NOx, and precipitator refurbishments and a first-of-a-kind flue gas polishing compact hybrid pulsejet baghouse.
Part I discusses the history, classifications, and performance of air- breathing engines, from Leonardo da Vinci to the 20th century, then discusses different engine types including pulsejet, ramjet, single- and multi-spool turbojet, and turbofan in both subsonic and supersonic applications.
This new brochure from Scientific Dust Collectors illustrates the capabilities of the company's heavy-duty reverse pulsejet design.