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Poster Exhibition 2008 Proceedings
 
Proceedings of the Second International Energy 2030 Conference,
November 4-5, 2008, Abu Dhabi, UAE

Modeling Absorption Chillers in ASPEN

C. Somers

University of Maryland, USA

A. Mortazavi

University of Maryland, USA

Y. Hwang

University of Maryland, USA

R. Radermacher

University of Maryland, USA

S. Al-Hashimi

The Petroleum Institute, UAE
P. Rodgers

The Petroleum Institute, UAE

Abstract
The oil and gas industry is an immense energy consumer. However, absorption chillers can utilize sources of waste heat in the plant to provide useful cooling or refrigeration, which is especially valuable in the oil and gas industry. To this end, we have modeled several absorption chiller designs in ASPEN in order to integrate them directly into plant models. This paper details the modeling procedure as well as the results for a single and double effect water/lithium bromide chiller. In order to evaluate the accuracy of the ASPEN absorption cycle models they were compared to published data from other models. Results of comparison for the single effect water/lithium bromide design indicate both models agree within 3% deviation for all cycle parameters. These absorption cycle models will allow investigation into the benefits of using absorption chillers for waste heat utilization in the oil and gas industry.




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