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This, in turn, could foster a deeper understanding and further exploration of aeroacoustics phenomena in ducted fans exposed to a broad spectrum of incoming turbulent flows.

Vocal tracts are biologically unique, said Daniel Bodony, an aeroacoustics expert at the University of Illinois who was not a part of the research team.

But after earning a doctorate in aeroacoustics at Virginia Tech and entering the work force, Mish began to wonder whether he was cut out for corporate life.

You'd think working on the Navy's next-­generation destroyer for Northrop Grumman would be a really exciting job for a guy who just got a Ph.D. in aeroacoustics.

Leeward’s son, Kent Leeward, declined comment on the lawsuit, which names Texas-based mechanic Richard Shanholtzer Jr., the Reno Air Racing Association, another Leeward son, Dirk Leeward, Leeward Racing Inc. and family corporations in Florida, and Aeroacoustics Inc., an aircraft parts maker in Washington state.