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Sagebien and Zuppinger water wheels for very low head hydropower applications

Sagebien and Zuppinger water wheels for very low head hydropower applications
Sagebien and Zuppinger water wheels for very low head hydropower applications

In rivers and at old mill sites there is a substantial amount of very low-head hydropower with head differences from 0.3 to 1.5 m. Much of this potential is unused since in these conditions modern hydropower technology is not cost effective. In the mid-nineteenth century, the Sagebien and Zuppinger wheels were developed for such situations. Recent model tests showed the Zuppinger wheel has a maximum efficiency of 85%. No such data are however available for the Sagebien wheel. At Southampton University, 1:10 scale model tests with Sagebien and Zuppinger wheels were conducted. Both wheels had maximum efficiency of 84%. The Sagebien wheel’s performance curve was less affected by the flow rate. Contrary to the Zuppinger wheel, the Sagebien wheel’s geometry avoids noise generation at the upstream blade entry. The results indicate that the Sagebien wheel is an attractive, although so far underestimated, hydropower converter for very low-head situations.

Infrasound, physical model tests, Sagebien undershot water wheel, water mill, Zuppinger undershot water wheel
0022-1686
1-11
Quaranta, Emanuele
2a4a2af3-3781-4585-ab18-851e80f25304
Müller, Gerald
f1a988fc-3bde-429e-83e2-041e9792bfd9
Quaranta, Emanuele
2a4a2af3-3781-4585-ab18-851e80f25304
Müller, Gerald
f1a988fc-3bde-429e-83e2-041e9792bfd9

Quaranta, Emanuele and Müller, Gerald (2018) Sagebien and Zuppinger water wheels for very low head hydropower applications. Journal of Hydraulic Research, 1-11. (doi:10.1080/00221686.2017.1397556).

Record type: Article

Abstract

In rivers and at old mill sites there is a substantial amount of very low-head hydropower with head differences from 0.3 to 1.5 m. Much of this potential is unused since in these conditions modern hydropower technology is not cost effective. In the mid-nineteenth century, the Sagebien and Zuppinger wheels were developed for such situations. Recent model tests showed the Zuppinger wheel has a maximum efficiency of 85%. No such data are however available for the Sagebien wheel. At Southampton University, 1:10 scale model tests with Sagebien and Zuppinger wheels were conducted. Both wheels had maximum efficiency of 84%. The Sagebien wheel’s performance curve was less affected by the flow rate. Contrary to the Zuppinger wheel, the Sagebien wheel’s geometry avoids noise generation at the upstream blade entry. The results indicate that the Sagebien wheel is an attractive, although so far underestimated, hydropower converter for very low-head situations.

Text
Manuscript-Quaranta-and-Muller-for-publication - Accepted Manuscript
Restricted to Repository staff only until 18 October 2018.
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More information

Accepted/In Press date: 18 October 2017
e-pub ahead of print date: 25 January 2018
Keywords: Infrasound, physical model tests, Sagebien undershot water wheel, water mill, Zuppinger undershot water wheel

Identifiers

Local EPrints ID: 415215
URI: https://eprints.soton.ac.uk/id/eprint/415215
ISSN: 0022-1686
PURE UUID: 920a3f8d-100a-4ce5-8158-03d877a72ec4

Catalogue record

Date deposited: 02 Nov 2017 17:30
Last modified: 09 Dec 2019 18:34

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