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  1. Home
  2. Indian Institute of Technology Madras
  3. Publication12
  4. Performance of different working fluids in transfer-tank operated vapour absorption refrigeration systems
 
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Performance of different working fluids in transfer-tank operated vapour absorption refrigeration systems

Date Issued
01-01-1995
Author(s)
Karthikeyan, G.
Mani, A.
Murthy, S. Srinivasa
DOI
10.1016/0960-1481(94)00096-O
Abstract
A vapour absorption refrigeration system (VARS) in which a transfer tank replaces the conventional solution pump is analysed. Six fluid pairs with R22 as the refrigerant and different absorbents: DMA; DMF; DMETEG; DMETrEG; DMEDEG; and NMP are considered. Variations in COP, circulation ratio, percent mass of generated vapour utilised for transfer-tank operation, and minimum generator temperature are compared over a wide range of operating conditions. In general, R22-DMA, R22-DMF, and R22-DMETrEG are preferable for a transfer-tank operated VARS. At high generator temperatures or low condenser temperatures, R22-DMA gives the best overall performance. When the temperatures of the evaporator, absorber, and condenser are high, one may prefer R22-DMF as the working fluid. © 1995.
Volume
6
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