Nomographs for H2O-LiBr absorption-panel cooling systems

E.D. Rogdakis

Energy, 1992, vol. 17, issue 11, 1059-1066

Abstract: Panel cooling of buildings offers energy savings over conventional space-cooling systems. We present a procedure for calculating the performance of H2O-LiBr absorption-panel cooling systems, in which the evaporator is the panel itself. Nomographs have been developed for this approach. Under the conditions examined, the H2O-LiBr absorption unit operates with a theoretical performance coefficient of about 90% and with a practically constant specific cooling capacity of 2394 kJ/kg H2O. For common values of the parameters involved, the panel cooling power varies from 25 to 175 W/m2 and the cooling water mass-flow rate through the panel is 40–260 g/m2h. The thermal power needed to drive the system varies from 27 to 200 W/m2 and the associated temperatures from 70 to 100 °C; thus, the system may be operated on solar energy.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:17:y:1992:i:11:p:1059-1066

DOI: 10.1016/0360-5442(92)90022-R

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