CFD modelling of the flow of ice slurry in plate heat exchanger channels

Beata Niezgoda-Żelasko and Jan Kuchmacz

Energy, 2025, vol. 317, issue C

Abstract: This paper uses the Euler-Euler model to analyse the adiabatic flow of ice slurry in the channel of a plate heat exchanger. Numerical studies have shown that the flow resistance in the refrigerant distribution and spreading system will reach 92–187 % of the flow resistance value between the exchanger plates, depending on the average flow velocity and ice mass fraction. In contrast, the pressure drops in the inflow and outflow sections range from 88 to 176 % of the flow resistance values between the exchanger plates. The final result of the numerical simulations was to propose a relationship to determine the flow resistance on the exchanger plates, taking into account the influence of disturbances arising in the distribution system. An equation based on a generalised non-Newtonian fluid model was also derived from it, which allowed for the determination of the sum of pressure drops across the inflow and outflow sections of the exchanger.

Keywords: Ice slurry; CFD modelling; Euler-Euler model; Plate heat exchanger; Pressure drop (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:317:y:2025:i:c:s0360544225003421

DOI: 10.1016/j.energy.2025.134700

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