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Interfacial Phenomena and Heat Transfer
ESCI SJR: 0.258 SNIP: 0.574 CiteScore™: 0.8

ISSN Druckformat: 2169-2785
ISSN Online: 2167-857X

Interfacial Phenomena and Heat Transfer

DOI: 10.1615/InterfacPhenomHeatTransfer.2019031185
pages 105-111

SPECTROPHOTOMETRY TECHNIQUE FOR DROPLET PHASE SPATIAL DISTRIBUTION MEASUREMENTS IN GAS-DROPLET FLOW BEHIND A SUPERSONIC NOZZLE IN A VACUUM

Igor V. Yarygin
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave, 1, Novosibirsk, 630090, Russia
Victor G. Prikhodko
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave, 1, Novosibirsk, 630090, Russia
Yury N. Vyazov
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

ABSTRAKT

A measurement technique for droplet phase spatial distribution in gas-droplet flows under conditions of rapid evaporation of droplets is proposed. The technique is based on the deposition of droplets colored with a non-sublimated dye on paper substrates and subsequent residue analysis by a spectrophotometry method. The spatial distribution of the droplet phase in the gas-droplet flow, formed under the pulsed outflow of a near-wall liquid film accompanied by the gas flow from a supersonic nozzle into a vacuum, is investigated using the proposed technique.

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