Exergy Analysis of Liquid Nitrogen Power Cycles
Open accessAbstract
Nitrogen is by-product from cryogenic air separation processes used for oxygen production for metallurgy and oxygen-enriched combustion purposes. If the gases are delivered from air separation unit (ASU) in liquid phase, liquid nitrogen (LN2) can be used as energy accumulator for stabilization of electrical grid system with large share of renewable energy sources. When the energy demand is high and not enough electricity is generated in power plants, energy accumulated in LN2 may be recovered in a cryogenic power cycle. In this research complete exergy analysis of liquid nitrogen direct expansion cycle and combined direct expansion/Brayton cycle was performed.
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Cites
Bell, I. H., Wronski, J., Quoilin, S., & Lemort, V. (2014) · Industrial & Engineering Chemistry Research · doi:10.1021/ie4033999 · Cited by 2,871 · see citing works
Dorosz, P., Wojcieszak, P., & Malecha, Z. M. (2018) · Entropy · doi:10.3390/e20010059 · Cited by 55 · see citing works
Self-citationTechnical and economic aspects of oxygen separation for oxy-fuel purposes
Chorowski, M., & Gizicki, W. (2015) · Archives of Thermodynamics · doi:10.1515/aoter-2015-0011 · Cited by 34 · see citing works
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Research works printed but not linked: 1
- Szargut J., Exergy method: technical and ecological applications, Number 18 in International series on developments in heat transfer (WIT Press, Southampton ; Boston, 2005), ISBN 978-1-85312-753-3, oCLC: ocm56874184
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- Authors
- Wojcieszak, P.
- Affiliations
- Wrocław University of Science and Technology (PL)
- Corresponding author
- Wojcieszak, Paweł
- ORCID
- Wojcieszak, Paweł
- Venue
- EPJ Web of Conferences
- Publisher
- EDP Sciences
- Published
- 2019
- Volume
- 201
- Pages
- 01004
- ISSN
- 2100-014X (ISSN-L)
- OpenAlex
- W2912253735
- Cited by
- 1
- References
- 3
- Citations by year
- 2024: 1
- FWCI
- 0.00
- Type
- conference paper
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- Locations
- EPJ Web of Conferences (publishedVersion, cc-by)
- Springer Link (Chiba Institute of Technology) (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Thermodynamic and Exergetic Analyses of Power and Cooling Systems
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Thermodynamic Systems and Engines
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Power Generation Technologies
- Keywords
- liquid nitrogen, exergy analysis, Brayton cycle, combined cycle power generation, energy storage, oxygen production
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