Abstract
A systematic investigation is attempted in this paper of the intermittent vapour absorption refrigeration cycle employing the refrigerant-absorbent combinations of ammonia water and ammonialithium nitrate. A description is given of the actual cycle, and the differences between the actual and theoretical cycles are traced together with the effects of these differences on the values of the coefficient of performance and the effective cooling per 1b of initial mass of the solution. A simplified approximate expression is given for the theoretical coefficient of performance of the ammonia-water system, as also expressions for the theoretical coefficient of performance of the ammonialithium nitrate system suitable for use with the corresponding data charts. Some comments are made regarding condenser performance and evaporator design.
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