Solar Energy

McMullan, J. T.; Strub, A. S.

doi:10.1007/978-94-009-8317-5_4

Achievements of the European Community First Energy R &Amp; D Programme 1981

DOI: 10.1007/978-94-009-8317-5_4

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Solar Energy

J. T. McMullan¹,

A. S. Strub

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1994

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Effect of using a heat recovery absorber on the performance and operating cost of the solar ammonia absorption cycles

Saghiruddin¹,

Siddiqui²

1994

Intersociety Energy Conversion Engineering Conference

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Economic analysis of ordinary and evacuated tubular type flat plate collectors have been carried out for operating absorption cycles with and without heat recovery absorber. Water-ammonia, NaSCN-NH, and LiN03-NH, have been selected as the worlungfluids in the cycles. Use of heat recovery absorber, in addtion to the pnmary absorber in the conventional absorption cycles, lead to improvement in the system performances by about 20-30% in the YO-NH, and 33-36% in the NaSCH-NH, and LiN03-NH, mixtures. Subsequently, there is considerable amount of reduction in the cost of the solar collector required to operate them. For the set of operating conditions, under study, the cost reduces to about 25 % in the YO-NH, and 30 % in the NaSCN and LiN03-ammonia cycles. (i) Ordinary flat plate collector with two glass covers, and (ii) Evacuated-Tubular flat plate collector System Description Figure 1 shows a schematic dagram of an absorption cycle employng a heat recovery absorber. The main c o m p nents in the cycle are absorber, generator, evaporator, precooler and preheater. In case of the water-ammonia rnixture,the generator consists of an analyser and a rectifier for getting almost pure anmonia-vapour in the condenser-evaporator circuit. The absorber assembly consists of a heat recovery a b s o r b e r m ) and a primary absorber (A), where a portion of the ammonia-vapour is allowed to be absorbed in the weak refngerant-absorbent mixture. The remainingammoniavapour flows into A where it gets absorbed in the mixture coming from

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Effect of using a heat recovery absorber on the performance and operating cost of the solar ammonia absorption cycles

Saghiruddin¹,

Siddiqui²

1994

Intersociety Energy Conversion Engineering Conference

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show abstract

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Solar Energy

Cited by 1 publication

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Effect of using a heat recovery absorber on the performance and operating cost of the solar ammonia absorption cycles

Effect of using a heat recovery absorber on the performance and operating cost of the solar ammonia absorption cycles

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