SBIR/STTR Research Award

"Tripping" of Supercooled Water Drops for Helicopter Deicing

Award identifier 7382e2f91570a15dbeae23cf99c2c04f597f22ade2c5ae65753ab92d1b876a62Awarding agency Department of Defense · Army

Award amount

$50,000

Program and phase

SBIR · Phase I

Award year

1993

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Award details

Awarding agency
Department of Defense
Branch
Army
Recipient company
BELTRAN, INC.
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

Ice accretions on helicopter rotor blades occur as a result of the impact of supercooled water particles on the surface. Supercooled water particles are in an unstable state. Means are sought to "trip" these particles into ice crystals or amorphous snow so that the particles will not adhere to the surface. Density waves (sound) and electromagnetic waves (including lasers) are to be investigated for suitability as "trip" mechanisms reduce the icing potential. Experiments will be conducted in a microcalorimeter using super cooled water in capillary tubes. The kinetics of freezing will be studied for the various "trip" mechanisms.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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