Abstract
A heat exchanger was constructed using polyvinyl chloride (PVC) sheets for the core. The heat exchanger was installed in a broiler barn and operated in a parallel-flow configuration for 53 days. During this period, performance data were gathered during nine periods of approximately 24 h each. The mean flow rate of the supply air was 565 L/s (1200 CFM) and the mean effectiveness was 0.38. A thermostatically activated defrost cycle prevented ice build-up at ambient temperatures as low as -35° C (-31° F). Maintenance, in terms of servicing and cleaning was minimal. Economic analysis indicated a simple payback period of three years under local conditions.
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