The Compression/Absorption cycle: A high-temperature application
Conference contribution, 1990

A comparison of the performances of a compression/absorption cycle using the two mixtures NH3/H2O and NH3/H2O-60% LiBr shows an improvement in COP for the ternary working fluid. The improvement, however, is small; for the examples chosen it is about 5%. The advantages of the ternary mixture, such as a lower vapour pressure, a higher heat of vaporization and a reduced specific heat of solution, compared to the binary NH3/H2O, are to a large extent eliminated by the increase of the recirculation flow caused by the addition of salt Another effect of the increase in solution flow is a change in the location of the optimum operating point for the ternary compared to the binary mixture.

Author

Lena Åhlby

Department of Heat and Power Technology

David Hodgett

Department of Heat and Power Technology

BHRA International Conference on Application and Efficiency of Heat Pump Systems in Environmentally Sensitive Times

Vol. München, Germany 1-3 October 1990 15-

Subject Categories

Chemical Process Engineering

More information

Created

10/6/2017