Resource Documents by Dooley, Kevin
Significant infrasound levels a previously unrecognized contaminant in landmark motion sickness studies
Abstract. Airborne Infrasound at any given point can be accurately described as fluctuations or cyclic changes in the local barometric pressure. Variations in a motion sickness test subject’s elevation, result in fluctuations in the surrounding barometric pressure by a similar amount to that experienced on a ship in high seas. Cyclic variation in the lateral or linear velocity of a subject in a vehicle or platform in atmospheric air may also be subject to infrasonic pressure fluctuations due to the . . . Complete article »
Dooley, Kevin; and Metelka, Andy
Acoustic interaction as a primary cause of infrasonic spinning mode generation and propagation from wind turbines
Abstract. Relatively balanced load related pressure waves from the rear surface of each rotor blade, are at a frequency of 1 per revolution of the turbine and are phase shifted by 120 degrees from each other. The superpositions of these infrasonic waves destructively interfere. This action results in a non-propagating rotor locked mode, however, the shielding (reflecting) effect of the tower as each blade passes, interrupts the balanced destructive interference for a small portion of rotor angle three times per . . . Complete article »
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