TO-2710 -- Steady State Simulation of a Single Tube-Finned Condenser Heat Exchanger

A steady state simulation scheme is presented for an externally finned singletube heat exchanger.in which the outer fluid is air and inner fluid is a condensing refrigerant. This model is intended to be a tool for a, detailed air conditioner and heat pump heat exchanger design and also a scheme for their optimization. Thermodynamic and flow properties of the refrigerant and temperature of the air flowing over the heat exchanger are predicted as a function of distance using a finite difference method. Variations of the heat transfer coefficient and friction factor due to change of phase are included. Thermodynamic and flow properties of both the refrigerant and air must be specified at the entrance of the heat exchangers. Although experimental results were not available for comparison, the predictions of the simulation program were found to be consistent with the physics of the system.

Citation: ASHRAE Transactions, Volume 88, Part 2, Toronto, Canada



Product Code(s): D-TO-2710