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Diesel aircraft engines sound efficient, but are they actually safe?

Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...
Science Daily

Research reveals why next-generation engine noise grinds our gears

A breakthrough study has revealed why emerging electric aircraft engine technology sounds so annoying -- and how to fix it. A breakthrough study has revealed why emerging electric aircraft engine ...
eng.belta

Russian scientists find way to make aircraft engines quieter

MOSCOW, 20 March (BelTA - TV BRICS) - Researchers at Perm National Research Polytechnic University have developed an innovative sound-absorbing structure that effectively reduces aircraft engine noise ...
UPI

NASA runs first engine tests on supersonic X-59 research aircraft

Nov. 6 (UPI) --NASA engineers fired the engines on the X-59 research aircraft in advance of planned test flights to determine if the aircraft can reduce sonic booms and make supersonic flight over ...