Design, Construction and Characterization of a Sliding- Plate- Evaporator Freezer (Spef)

Nwosu M. C., Umeh S. C., Okeke C. O., Afugbuom L. O.


This work embodied the design, construction and characterization of a sliding plate evaporator freezer, a modified version of the conventional freezer. The presence of a sliding plate evaporator reduces the freezing area, to increase the freezing rate and with a reduced freezing time. The freezer is intended to freeze agro and allied products in a record time. This is achieved by incorporating sliding plate evaporators to a conventional freezer to have two or more freezing sources, thereby, also giving the freezer with the option of a deferring freezing area to increase freezing rate. The results obtained are not exactly matched with the designed objectives because of construction flaws; and modifications can be made to improve the Coefficient of performance. The Coefficient of performance of the SPFE is obtained   to be 7.26. The SPEF is recommended for use in household and agro based industries for faster and effective freezing.

Keyword: Freezer, Sliding Plate, Evaporator, and Refrigerator, Freezer chamber, Compressor power, Condenser power and Co-efficient of performance.

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ISSN (Paper)2222-1727 ISSN (Online)2222-2871

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