FIELD: means for fog dispersion, mainly, above airport runways, water areas of sea and river ports, open pits, etc. SUBSTANCE: flowing gaseous cooled nitrogen from jet nozzle causes formation of condensation centers of steam present in ambient air. Steam precipitates and fog disappears. Novelty consists in that source of cold is made in form of Dewar flask filled with liquid nitrogen. Dewar flask has air-tight cover mounting reducing valve, intake pipeline, initiator of operation made in form of rod attached to cover inner side. Rod carries heat accumulator for longitudinal motion. Outlet of intake pipeline is connected with spiral heat-exchanger connected with jet nozzle. Mounted around jet nozzle is passive nozzle. EFFECT: simple in design and easy in operation. 3 cl, 2 dwg
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