THERMODYNAMIC SYSTEM ANALYSIS OF A LIQUID AIR ENERGY STORAGE SYSTEM
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Authors
Howe, Todd A.
Subjects
liquid air energy storage
energy storage
cyrogenic system
binary mixture
liquefaction system
thermodynamic analysis
energy analysis
exergy analysis
systems engineering tool
NIST Caddie
energy storage
cyrogenic system
binary mixture
liquefaction system
thermodynamic analysis
energy analysis
exergy analysis
systems engineering tool
NIST Caddie
Advisors
Pollman, Anthony G.
Date of Issue
2018-06
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
Renewable energy generation is intermittent, necessitating energy storage subsystems to provide electricity during periods of reduced or no power generation. Liquid air energy storage (LAES) systems, with their high energy density and scalability, are a promising method to store energy for intermittent systems. This thesis presents two independent papers for use in the systems engineering process during the conceptualization and requirements stage of designing and development a LAES system. The first paper is a closed-form method of calculating the compressor work for a modified simple Linde-Hampson system and liquid yield of a binary mixture of nitrogen and oxygen using only their respective pure fluid tables. This tool provides a methodology to check holistically a vast amount of different potential binary mixtures for use in a LAES system. The second paper is an energy and exergy analysis of a LAES system in order to map the trade space and identify optimum operating ranges. Additionally, this paper provides insight in to potential measures of performance and effectiveness of the LAES system. Finally, this thesis presents a valuable Excel add-in tool used to download fluid chemistry tables from the National Institute of Standards and Technology website.
Type
Thesis
Description
Includes supplementary material
Series/Report No
Department
Systems Engineering (SE)
Organization
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NPS Report Number
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Funding
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Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.