Calculation of sediment formation in a porous heat exchanger and assessment of the influence of sediment on heat flow

Abstract

Calculation of sediment formation in a porous heat exchanger and assessment of the influence of sediment on heat flow

Soloveva O.V., Solovev S.A., Shakurova R.Z., Golubev Ya. P.

Incoming article date: 02.04.2024

Using numerical simulation, particle deposition in a porous heat exchanger was studied; the mechanism of sediment formation was sinvestigated, and the influence of sediment on the heat flow was assessed. The influence of porous heat exchanger length, dust particle size, and air flow velocity on particle deposition efficiency, particle breakthrough, and heat flux value was studied. Research results have shown that with increasing length of the heat exchanger, the efficiency of dust particle deposition increases, which leads to the formation of sediment. In turn, the sediment reduces the value of the heat flow from the porous heat exchanger. Depending on the length of the heat exchanger and air velocity, the reduction in heat flow is 3.43-7.27%.

Keywords: porous media, heat exchanger, particle deposition, deposition efficiency, particle breakthrough, sediment, heat flow, numerical modeling, computational fluid dynamics, calculation