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The goal of this research work is to design, construct and analyse the performance of a single stage vapour absorption unit of 1kW rated cooling capacity. The correlations required for the design and analysis are mentioned in the section III. The solution heat exchanger of spiral tube and shell type was designed and installed in the unit. A forced horizontal tube heat exchanger type condenser was designed and used in the construction of the unit. A pool boiling generator has been installed in the unit. The determined hypothetical results including the overall heat transfer coefficient are compared with the test results inferred for a developed unit with a nominal output of 1kW. At last the performance parameters are examined in connection to the concentration of the absorber and mass flow rates. The actual COP of the system increased by 15% with the decrease in solution concentration at absorber inlet. Critical analysis is carried-out at each level to calculate the each accessory heat load and other parameters.

Fabrication and Experimental Analysis of Absorber Based LiBr – Water Absorption Refrigeration System