Helicopter Rotor Downwash – Excessive wind, FOD and brownouts

What is helicopter rotor downwash? Rotor downwash is a commonly ignored phenomenon that occurs during helicopter hover in close proximity to a ground surface. It has the potential to cause significant damage to nearby vehicles and objects, as well as people. Figure 1 shows the impact of helicopter rotor downwash while hovering over water and […]

PDF] Rotorcraft Downwash Flow Field Study to Understand the Aerodynamics of Helicopter Brownout

Outwash flow measurement around the subscale tandem rotor in ground effect - ScienceDirect

Helicopter Rotor Wash over Water in Triton Ocean SDK

PDF] Rotorcraft Downwash Flow Field Study to Understand the Aerodynamics of Helicopter Brownout

A package slides down a frictionless chute from a height of 3.00 m

A bag of mass 5kg is dropped from a helicopter hovering above the

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What does downwash mean exactly (for a fixed wing vs. for a rotor blade)? - please read the comment below for details - Quora

Outwash flow measurement around the subscale tandem rotor in ground effect - ScienceDirect

A moving plane drops a package at a speed of 30 m/s. What is the