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Study on Two Stage Activated Carbon/HFC-134a Based Adsorption chiller

Habib, Khairul and A Majid, M Amin and Sulaiman, S. A. (2013) Study on Two Stage Activated Carbon/HFC-134a Based Adsorption chiller. In: 4th International Conference on Energy and Environment 2013 (ICEE 2013), IOP Conf. Ser.: Earth Environ. Sci. , Bangi.

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Official URL: http://iopscience.iop.org/1755-1315/16/1/012084

Abstract

In this paper, a theoretical analysis on the performance of a thermally driven two-stage four-bed adsorption chiller utilizing low-grade waste heat of temperatures between 50°C and 70°C in combination with a heat sink (cooling water) of 30°C for air-conditioning applications has been described. Activated carbon (AC) of type Maxsorb III/HFC-134a pair has been examined as an adsorbent/refrigerant pair. FORTRAN simulation program is developed to analyze the influence of operating conditions (hot and cooling water temperatures and adsorption/desorption cycle times) on the cycle performance in terms of cooling capacity and COP. The main advantage of this two-stage chiller is that it can be operational with smaller regenerating temperature lifts than other heat-driven single-stage chillers. Simulation results shows that the two-stage chiller can be operated effectively with heat sources of 50°C and 70°C in combination with a coolant at 30°C.

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TJ Mechanical engineering and machinery
Academic Subject One:Academic Department - Mechanical Engineering - Energy - Air conditioning - Chillers
Departments / MOR / COE:Departments > Mechanical Engineering
Mission Oriented Research > Energy
ID Code:9888
Deposited By: Dr Ir Shaharin A Sulaiman
Deposited On:11 Jul 2013 00:08
Last Modified:19 Jan 2017 08:21

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