A computer model for an air-cooled refrigerant condenser is presented; the model is intended for use in detailed design analyses or in simulation of the performance of existing heat exchangers that have complex refrigerant circuiting or unusual air-side geometries. The model relies on a tube-by-tube computational approach calculating the thermal and fluid-flow performance of each tube in the heat exchanger individually, using local temperatures and heat transfer coefficients. The refrigerant circuiting must be specified; the joining or branching of parallel circuits is accommodated using appropriate mixing expressions. Air-side heat exchange correlations may be specified so that various surface geometries can be investigated. Results of the analyses of two condensers are compared to experiment.
Citation: Symposium, ASHRAE Transactions, Volume 87, Part 1, Chicago, Illinois
Product Details
- Published:
- 1981
- Number of Pages:
- 19
- File Size:
- 1 file , 1.2 MB
- Product Code(s):
- D-CH-81-16-4
