Modelling of liquid air energy storage applied to refrigerated cold stores.
Open accessAbstract
Liquid Air Energy Storage (LAES) is a promising technology for dealing with the variability in production of various concurrent Renewable Energy Sources (RES). In this context, the work presented forms part of the CryoHub project. CryoHub is an H2020 Innovation Action project to investigate and demonstrate the feasibility of using LAES in conjunction with refrigerated warehouses cooling. In this paper, multiple different configurations that could achieve the project goals have been modelled and ranked against Round Trip Efficiency (RTE). A configuration currently being deployed is presented and its merits are discussed. The effect of multiple process parameters on the RTE are assessed and discussed.
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From the parametric analysis, it was shown that three parameters can be controlled to enhance the RTE: discharge pressure, waste heat temperature at the expansion stage entrance and pressure in the storage tank.
“From the parametric analysis, it was shown that 3 parameters can be controlled to enhance the RTE: discharge pressure, waste heat temperature at the expansion stage entrance and pressure in the storage tank.”
From Liquid Air Energy Storage (LAES) as a large-scale storage technology for renewable energy integration – A review of investigation studies and near perspectives of LAES (2020) · cites this paper as Negro et al., 2018
The System Wide Parametric Analysis and Results sections show that liquid-air storage pressure and discharge pressure affect RTE, although increasing discharge pressure helps only up to a point. The Results section reports higher RTE with 800 °C waste heat, but the listed parametric analysis does not vary waste-heat temperature or establish temperature at the expansion-stage entrance as a third controllable parameter. (LLM, conf=0.85)
Experimental — accuracy not yet measuredAs practical turbomachinery efficiencies were considered, this study has presented lower RTE than other theoretical values obtained in other works.
“As practical turbomachinery efficiencies were considered, this study has presented lower RTE than other theoretical values obtained in other works.”
From Liquid Air Energy Storage (LAES) as a large-scale storage technology for renewable energy integration – A review of investigation studies and near perspectives of LAES (2020) · cites this paper as Negro et al., 2018
The Modelling Approach (section 4; page unavailable) says the model used state-of-the-art turbomachinery efficiencies, and Table 1 lists efficiencies below 100%. The Conclusion (section 7; page unavailable) gives a standalone RTE of 20–26%, but does not compare it with theoretical values from other works or attribute any difference to turbomachinery efficiency. (LLM, conf=0.85)
Experimental — accuracy not yet measuredThe efficiency of the cold energy recovery sub-system can reach 88%.
“As main results of the study conducted by Negro et al. (2018) , the efficiency of the cold energy recovery sub-system can reach the value of 88%: « this will constitute a key technological enabler for any LAES technology to be commercially viable in the future ».”
From Liquid Air Energy Storage (LAES) as a large-scale storage technology for renewable energy integration – A review of investigation studies and near perspectives of LAES (2020) · cites this paper as Negro et al. (2018)
The cold recovered from evaporation could either be recycled in the liquefaction cycle or used to supply a refrigerated warehouse or food freezers.
“The cold recovered from the evaporation could either be recycled in the liquefaction cycle or used to supply refrigerated warehouse or food freezers.”
From Liquid Air Energy Storage (LAES) as a large-scale storage technology for renewable energy integration – A review of investigation studies and near perspectives of LAES (2020) · cites this paper as Negro et al., 2018
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Research works printed but not linked: 1
- REFERENCES Cleland, A. (1994). Polynomial curve-fits for refrigerant thermodynamic properties : extension to include R134a. International journal of refrigeration, 17 (4), 245-249.
Cited by
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Damak, C., Leducq, D., Hoang, H. M., Negro, D., & Delahaye, A. (2020) · International Journal of Refrigeration · doi:10.1016/j.ijrefrig.2019.11.009 · Cited by 175 · see citing works
“Negro et al. (2018) investigated multiple possibilities of developing a demonstrator at an industrial site (food factory and refrigerated warehouses).”
BackgroundInfluentialSelf-citationRecent Trends on Liquid Air Energy Storage: A Bibliometric Analysis
Borri, E., Tafone, A., Zsembinszki, G., Comodi, G., Romagnoli, A., & Cabeza, L. F. (2020) · Applied Sciences · doi:10.3390/app10082773 · Cited by 73 · see citing works
- Authors
- D., N., T., B., & M., F. A.
- Venue
- International Institute of Refrigeration (IIR)
- Publisher
- International Institute of Refrigeration (IIR)
- Published
- 2018
- OpenAlex
- W2885148264
- Cited by
- 5
- References
- 0
- Citations by year
- 2024: 2 · 2022: 1 · 2020: 1 · 2019: 1
- FWCI
- 1.35
- Type
- conference paper
- Language
- en
- Open access
- green
- doi.org
- Licence
- cc-by
- Locations
- Research Open (London South Bank University) (submittedVersion, cc-by)
- Research Open (London South Bank University) (submittedVersion)
- Institut International du Froid
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Adsorption and Cooling Systems
- Physical Sciences › Engineering › Mechanical Engineering › Thermodynamic and Exergetic Analyses of Power and Cooling Systems
- Physical Sciences › Engineering › Mechanical Engineering › Phase Change Materials Research
- Keywords
- liquid air energy storage, round-trip efficiency, renewable energy variability, cryogenic cooling, energy storage configuration, process parameters
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