In this study, analytical investigation at off-design conditions on performance of a plates-and-frames absorber with hydrophobic microporous membrane contactor at aqueous solution-water vapor interface are carried out. The absorber is a component of a single-effect lithium bromide-water absorption chiller with a hot water thermally driven generator and water-cooled absorber and condenser. Integrating the absorber model with the chiller model is used to evaluate the absorber performance at off-design conditions corresponding to different inlet both driving hot water and cooling water (coolant) temperatures. For the same cooling capacity of the chiller and referring to design point values, the results indicate that, increasing the inlet driving hot water temperature results in an increase in the required absorber size, consequently, a decrease in the absorber performance. While, decreasing the cooling water (coolant) inlet temperature leads to slightly decreases in the required absorber size, consequently, an increase in the absorber performance.
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ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4889-0
PROCEEDINGS PAPER
Performance of an Absorber With Hydrophobic Membrane Contactor at Aqueous Solution-Water Vapor Interface
Ahmed Hamza H. Ali,
Ahmed Hamza H. Ali
Assiut University, Assiut, Egypt
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Mahmoud Ahmed
Mahmoud Ahmed
Assiut University, Assiut, Egypt
Search for other works by this author on:
Ahmed Hamza H. Ali
Assiut University, Assiut, Egypt
Mahmoud Ahmed
Assiut University, Assiut, Egypt
Paper No:
ES2009-90217, pp. 921-928; 8 pages
Published Online:
September 29, 2010
Citation
Ali, AHH, & Ahmed, M. "Performance of an Absorber With Hydrophobic Membrane Contactor at Aqueous Solution-Water Vapor Interface." Proceedings of the ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASME 2009 3rd International Conference on Energy Sustainability, Volume 1. San Francisco, California, USA. July 19–23, 2009. pp. 921-928. ASME. https://doi.org/10.1115/ES2009-90217
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