<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the first quarter of the last century hydraulic power plants were equipped with high-speed Francis turbines even in the situation when a contemporary project manager would suggest Kaplan turbine. The reason is simple. Mr. Kaplan patented his turbine only in 1912 [1], https://en.wikipedia.org/wiki/Viktor_Kaplan . Those high-speed Francis turbines have just reached their lifetime. Mainly runners need repair. Our customers’ respond is that even renowned firms refuse to deliver runners with better parameters. Offer is to replace whole turbine with Kaplan or to make a copy of the existing runner. This paper presents experience and results of such a high-speed runner design. The runner substituted the one of Prokopa &amp; sons from 1939 in powerhouse and mill at Křemže stream. Virtual prototyping technique has been used.</p></abstract>

In the first quarter of the last century hydraulic power plants were equipped with high-speed Francis turbines even in the situation when a contemporary project manager would suggest Kaplan turbine. The reason is simple. Mr. Kaplan patented his turbine only in 1912 [1], https://en.wikipedia.org/wiki/Viktor_Kaplan . Those high-speed Francis turbines have just reached their lifetime. Mainly runners need repair. Our customers’ respond is that even renowned firms refuse to deliver runners with better parameters. Offer is to replace whole turbine with Kaplan or to make a copy of the existing runner. This paper presents experience and results of such a high-speed runner design. The runner substituted the one of Prokopa & sons from 1939 in powerhouse and mill at Křemže stream. Virtual prototyping technique has been used.

Do not be Afraid of Small High-Speed Francis Turbines

Strojnícky časopis - Journal of Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Do not be Afraid of Small High-Speed Francis Turbines"}

In the first quarter of the last century hydraulic power plants were equipped with high-speed Francis turbines even in the situation when a contemporary...

Do not be Afraid of Small High-Speed Francis Turbines

Published Online: Dec 06, 2018

Page range: 111 - 128

DOI: https://doi.org/10.2478/scjme-2018-0030

Keywords
Francis turbine, runner, refurbishment, CFD, virtual prototype

© 2018 Koudelka Libor, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Do not be Afraid of Small High-Speed Francis Turbines

Published Online: Dec 06, 2018

Page range: 111 - 128

DOI: https://doi.org/10.2478/scjme-2018-0030

KeywordsFrancis turbine, runner, refurbishment, CFD, virtual prototype

© 2018 Koudelka Libor, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Francis turbine, runner, refurbishment, CFD, virtual prototype