Low Tech Magazine on Compressed Air Storage: Difference between revisions
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*Conclusion of Reference [7] - ''The sizing of storage tanks for a SHS-CAES has been determine by modeling all the components downstream of the storage tank. To operate the system with SHS load of 29.65W for 12 hours requires a tank size of 18 m3, with an initial pressure of 8 bar and regulator setting 3.511 bar. | *Conclusion of Reference [7] - ''The sizing of storage tanks for a SHS-CAES has been determine by modeling all the components downstream of the storage tank. To operate the system with SHS load of 29.65W for 12 hours requires a tank size of 18 m3, with an initial pressure of 8 bar and regulator setting 3.511 bar. | ||
*8 bar system operates at around 60% roundtrip efficiency - that is impressive. | *8 bar system operates at around 60% roundtrip efficiency - that is impressive. | ||
*P. 60 of thesis [https://eprints.usq.edu.au/24651/1/Herriman_2013.pdf] shows the size of tank required for 3kWhr storage | *P. 60 of thesis [https://eprints.usq.edu.au/24651/1/Herriman_2013.pdf] shows the size of tank required for 3kWhr storage - 65 cubic meter. | ||
Revision as of 20:53, 1 April 2020
Article
- Low Tech Magazine article - [1]
Notes
- 40-50% efficiency of air storage, compared to 70-90% for batteries.
- Pumping and air engines are 60-70% efficient.
- Scroll Compressor is nearly 100% efficient, but expensive.
- Highest ESOI of any energy source - [2]
- Conclusion of Reference [7] - The sizing of storage tanks for a SHS-CAES has been determine by modeling all the components downstream of the storage tank. To operate the system with SHS load of 29.65W for 12 hours requires a tank size of 18 m3, with an initial pressure of 8 bar and regulator setting 3.511 bar.
- 8 bar system operates at around 60% roundtrip efficiency - that is impressive.
- P. 60 of thesis [3] shows the size of tank required for 3kWhr storage - 65 cubic meter.