Simulating a 4-effect absorption chiller
Journal Article
·
· ASHRAE Journal
OSTI ID:194240
- Technion-Israel Inst. of Tech., Haifa (Israel). Dept. of Mechanical Engineering
- Oak Ridge National Lab., TN (United States). Energy Div.
Absorption chillers are heat-operated refrigeration machines that operate on one of the earliest known principles of refrigeration. Current absorption chillers typically use either steam or a gas-fired burner as the energy source. All current gas-fired absorption cooling systems are based on the well known single-effect or double-effect cycles. To further improve utilization of the high temperature heat available from natural gas, a variety of triple-effect cycles have been proposed and are being developed that are capable of substantial performance improvement over equivalent double-effect cycles. This article describes a study that investigated the possibility of even further improving utilization of the high temperature heat available from natural gas combustion. During the study, performance simulation was conducted for a 4-effect lithium bromide/water cycle. From an environmental perspective, absorption chillers provide several benefits. They use absorption pairs (such as lithium bromide/water) as the working fluids, rather than chlorofluorocarbons or hydrochlorofluorocarbons, which contribute to ozone depletion and global warming.
- OSTI ID:
- 194240
- Journal Information:
- ASHRAE Journal, Journal Name: ASHRAE Journal Journal Issue: 6 Vol. 37; ISSN 0001-2491; ISSN ASHRAA
- Country of Publication:
- United States
- Language:
- English
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