The paper describes an experimental plant aimed at simulating and verifying the performances of a single-stage H2O-LiBr absorption machine. The machine is water cooled and it is supplied by hot water produced by an electrical boiler, it is possible to simulate different service conditions by varying the temperatures and the flow rate of water in the external circuits. Measurement facilities allow to record in real time all the main operating parameters of internal and external circuits (temperatures, pressures and flow rates). The paper illustrates the characteristics of the machine and of the plant and the results of various experimental campaigns. In particular, the acquisitions on the plant have tested different service conditions by varying the flow rate and the supplying hot water; the energy and energy performances of the plant are presented and compared with data from literature and from a simulation code developed for the plant. The results show that the absorption machine can work, with acceptable efficiency, with input temperatures of about 65-70 °C; this results is interesting for a future supply of the machine with solar energy.
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|Titolo:||EXPERIMENTAL EVALUATION OF THE PERFORMANCES OF H2O- LiBr ABSORPTION REFRIGERATOR UNDER SERVICE CONDITION|
|Data di pubblicazione:||2005|
|Appare nella tipologia:||01a Articolo in rivista|