Development of Complex Energy Systems with Absorption Technology by Combining Elementary Processes

Optimal design of energy systems ultimately aims to develop a methodology to realize an energy system that utilizes available resources to generate maximum product with minimum components. For this aim, several researches attempt to decide the optimal system configuration as a problem of decomposing...

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Bibliographic Details
Published in:Energies (Basel) 2019-02, Vol.12 (3), p.495
Main Authors: Seki, Kosuke, Takeshita, Keisuke, Amano, Yoshiharu
Format: Article
Language:English
Subjects:
absorption refrigerator
absorption technology
Alternative energy
Ammonia
Compression
Configurations
cycle configuration
Design
Design optimization
Design parameters
Efficiency
Electricity distribution
Energy
Entropy
Expansion
Fluids
Geothermal power
Heat exchangers
Heat recovery systems
Heat transfer
Liquid phases
Pressure
Process parameters
synthesis/design optimization
Topology
Vapor phases
Vapors
Working fluids
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Summary:Optimal design of energy systems ultimately aims to develop a methodology to realize an energy system that utilizes available resources to generate maximum product with minimum components. For this aim, several researches attempt to decide the optimal system configuration as a problem of decomposing each energy system into primitive process elements. Then, they search the optimal combination sequentially from the minimum number of constituent elements. This paper proposes a bottom-up procedure to define and explore configurations by combining elementary processes for energy systems with absorption technology, which is widely applied as a heat driven technology and important for improving system’s energy efficiency and utilizing alternative energy resources. Two examples of application are presented to show the capability of the proposed methodology to find basic configurations that can generate the maximum product. The demonstration shows that the existing absorption systems, which would be calculated based on the experience of designers, could be derived by performing optimization with the synthesis methodology automatically under the simplified/idealized operating conditions. The proposed bottom-up methodology is significant for realizing an optimized absorption system. With this methodology, engineers will be able to predict all possible configurations and identify a simple yet feasible optimal system configuration.
ISSN:1996-1073
1996-1073
DOI:10.3390/en12030495