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Spray Bars



The Icing Research Tunnel has 10 spray bars with 100 nozzles on each spray bar.

The spray bars produce supercooled water droplets that form a 4 ft. high by 6 ft. wide ice cloud.


New spray bars

Close-up view of nozzles

Each red circle on the spray bar is a nozzle that produces super cooled water droplets.

The IRT's refrigeration system can produce temperatures as low as -40oF year-round.

Spray bar in use


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Responsible NASA Official: Theresa.M.Scott (Acting)