Optimized design of impulse turbines in the micro-hydro sector concerning air detrainment processes

Matthias Kramer, Kristina Terheiden and Silke Wieprecht

Energy, 2015, vol. 93, issue P2, 2604-2613

Abstract: Impulse turbines with tailwater depression are an efficient choice for energy recovery in drinking water systems. To reduce negative effects of detrained air downstream of the turbine casing, such as corrosion and reduced transport capacity, main processes and possible reduction of air detrainment have been investigated in detailed experimental studies on a micro-hydro Pelton machine with tailwater depression. The experimental setup has been designed to distinguish between dissolved and undissolved air detrainment.

Keywords: Pelton turbine; Micro-hydropower; Tailwater depression; Counter pressure operation; Air detrainment; Drinking water system (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:93:y:2015:i:p2:p:2604-2613

DOI: 10.1016/j.energy.2015.10.022

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