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  • Open Access

    ARTICLE

    Experimental Investigation into a Superheated Water Jet in Visible and InfraRed Ranges

    Konstantin Busov1,*, Nikolay Mazheiko1, Leonid Plotnikov2, Boris Zhilkin2

    Frontiers in Heat and Mass Transfer, Vol.23, No.4, pp. 1203-1214, 2025, DOI:10.32604/fhmt.2025.067598 - 29 August 2025

    Abstract Experimental research into the boiling-up of a free jet of superheated water discharging through a short cylindrical nozzle with sharp inlet and outlet edges into the atmosphere has been carried out. The change in the shape of a liquid jet has been traced through changes in thermodynamic parameters (temperature, pressure) along the saturation line in both the visible range and the infrared spectrum. The flow shapes corresponding to various modes of boiling-up have been identified. With thermal-imaging diagnostics, heterogeneities in the spray plume of a superheated liquid jet have been recorded and temperature distributions have More >

  • Open Access

    ARTICLE

    Pressure Impulse during Explosive Boiling on the Surface of a High Temperature Melt in Water—Discussion of the Calculation Model

    Yuri Ivochkin1, Igor Teplyakov1, Oleg Sinkevich1,2, Sergei Shchigel1, Stepan Yudin1,2,*

    Frontiers in Heat and Mass Transfer, Vol.22, No.6, pp. 1805-1821, 2024, DOI:10.32604/fhmt.2024.056787 - 19 December 2024

    Abstract This study explores the mechanism behind the generation of pressure pulses on the outer surface of a molten metal droplet when immersed in water. The absence of any external trigger is assumed, and the droplet is surrounded by a vapor layer with surface hydrodynamic waves at the vapor-liquid interface. The study examines the heating conditions of a cylindrical column of water used to model a volume of cold liquid interacting with a hot metal surface, which explosively boils upon direct contact. Within the framework of classical homogeneous nucleation theory, the relationship between pressure pulse magnitude… More >

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