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Title: Investigation of complex mass and heat transfer transitional processes of dispersed water droplets in wet gas flow in the framework of heat utilization technologies for biofuel combustion and flue gas removal Energy
Authors: Miliauskas, G
Maziukienė, H
Jouhara, H
Poškas, R
Keywords: Water droplets;Convective radiative combine heating;Condensation and transitional evaporation regimes of phase change;Numerical modelling
Issue Date: 2019
Publisher: Elsevier
Citation: Energy
Abstract: In this paper, complex processes of water droplet heat and mass transfer are analyzed in a cycle of condensing, transitional evaporation and equilibrium evaporation regimes during phase change which occurs on a droplet’s surface. The dynamics of a heated droplet’s surface temperature is directly related to the change in the regimes. The definition of the dynamics is based on a numerical iterative scheme which depends on the balance of a droplet surface’s heat flux. In this scheme, the energy of phase change and external heat transfer are combined as well as the internal heat transfer occurring in droplets. The numerical investigation results of the water droplets’ phase change were used as a basis while defining the inputs provided by the droplet slipping and the radiation absorbed in the flue gas within the interactions between the processes of complex transitional transfers. For this investigation, the conditions have been set to be typical for heat utilization technologies and biofuel furnaces used in flue gas removal.
ISSN: 0360-5442
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Embargoed Research Papers

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