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Computer simulation studies of A double effect generation absorption air‐conditioning system using water‐salt and alcohol‐salt mixtures
Author(s) -
Kaushik S. C.,
Gandhi S. M. Bin,
Agarwal R. S.,
Chandra S.
Publication year - 1987
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.4440110206
Subject(s) - condenser (optics) , air conditioning , heat exchanger , thermodynamics , absorption (acoustics) , parametric statistics , working fluid , chemistry , process engineering , nuclear engineering , mechanics , materials science , engineering , mathematics , physics , light source , statistics , optics , composite material
This paper presents a computer‐simulation based thermodynamic assessment of a double effect generation absorption air‐conditioning system. The proposed system consists of a second effect generator between the first effect generator and the condenser, along with two solution heat exchangers between the generators and the absorber. Input variables to the computer simulation based on heat, mass and material balance equations are the input generator heat supply, the solution flow rate and the ambient conditions. A detailed parametric study using water‐LiBr and Methanol‐LiBr. ZnBr 2 as working fluids for the double effect generation cycle has been carried out for a wide range of ambient conditions under optimum design and off‐design conditions. It is found that the COP of this cycle approaches twice that of the single effect cycle for all operating conditions. It is concluded that a double effect cycle is thermodynamically feasible for solar air‐conditioning.