MODELLING AND SIMULATION OF HOT-WALL CONDENSER

Abstract

Heat exchangers play an important role in a variety of energy conversion applications. They have a significant impact on the energy efficiency, cost, size, and weight of energy conversion systems. This project report presents modelling and simulation results of hot-wall condensers that are commonly used in vapour compression cycle based domestic refrigerators. A simulation model is developed to analyse the heat transfer and pressure drop characteristics of the condenser. The model is based on variable conductance approach, and is developed using a combination of thermodynamic correlations. The simulation is carried out using Engineering Equation Solver (EES). The parameters computed in this study, are inner heat transfer coefficient (refrigerant side) and outer heat transfer coefficients (air side), condenser capacity and pressure drop. The simulation is done for whole length of condenser tube, and the effects of operating parameters such as mass flow rate and ambient tempe...