Abstract
The paper presents results from numerical modelling of thermal conduction process in ABAQUS. The computing mesh of the model has been verified. Based on the simulation results, the average temperature of the heat exchanger’s external surface and the external heat convection coefficient have been determined. The process of thermal conduction in the fins is modelled on the basis of boundary conditions, which values are obtained by simulation of the heat convection process in the convector’s pipes. The average heat parameters have been determined relative to the first, middle and last fins, by developing a geometric model in ABAQUS. The computing mesh has been verified by increasing the number of cells and nodes. The external heat convection coefficient is calculated by Newton's law.
Highlights
The paper presents results from numerical modelling of thermal conduction process in ABAQUS
The methodology is consist of numerical modeling of the heat convection processes in the ducts and subsequent numerical modeling of the thermal conduction processes in the fins
Schematic diagram of the simulation model has been built in ABAQUS
Summary
The paper presents results from numerical modelling of thermal conduction process in ABAQUS. Many papers present investigations of heat transfer processes in finned tube exchangers. Paper [6] presents experimental study of heat transfer in cross-flow heat exchanger with smooth tubes or integral finned tubes. The local heat transfer coefficient and the temperature distribution have been determined for various Reynolds numbers of the fluid flow. In [9] a fin and tube heat exchanger has been studied by numerical modeling method. Paper [10] presents experimental study of the convective heat transfer process in finned tube counter flow heat exchanger. Numerical modeling of cross flow heat exchanger with louvered fins has been considered in [11]. Investigation [12] presents simulation study of a finned-tube latent heat thermal energy storage system. In [20] and [21] mechanical vapor recompression heat pump for treatment of industrial wastewater, has been investigated
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