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2013 | OriginalPaper | Chapter

Energetic Analyses of a NH3-NaSCN Absorption Machine Operating at Three Pressure Levels

Authors : Ridha Ben Iffa, Lakdar Kairouani, Nahla Bouaziz

Published in: Design and Modeling of Mechanical Systems

Publisher: Springer Berlin Heidelberg

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This study proposes a refrigeration cycle operating on a compression-absorption cycle. This instalation can improve the performance of an absorption refrigeration machine energy consuming low exergy value. This installation uses the NH

3

-NaSCN as refrigerant. In addition this cycle is working at three pressure levels, the absorber is operated at an intermediate pressure (Pint) between the pressures, P

EV

and P

CD

, for temperatures of evaporation and condensation, respectively (-10°C, 40°C). The machine operates at a temperature of generator T

GE

= 53 ° C and presents a COP of 0.60. For the same conditions the single stage machine presents a COP of not more than 0.55 at a generator temperature of 140 ° C.

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Metadata
Title
Energetic Analyses of a NH3-NaSCN Absorption Machine Operating at Three Pressure Levels
Authors
Ridha Ben Iffa
Lakdar Kairouani
Nahla Bouaziz
Copyright Year
2013
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-37143-1_32

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