The Influence of Changing Hydropower Potential on Performance Parameters of Pumps in Turbine Mode

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41310%2F19%3A79313" target="_blank" >RIV/60460709:41310/19:79313 - isvavai.cz</a>

Result on the web

<a href="https://www.mdpi.com/1996-1073/12/11/2103/htm" target="_blank" >https://www.mdpi.com/1996-1073/12/11/2103/htm</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/en12112103" target="_blank" >10.3390/en12112103</a>

Result language

angličtina

Original language name

The Influence of Changing Hydropower Potential on Performance Parameters of Pumps in Turbine Mode

Original language description

Pumps as turbines (PAT) are used as an alternative to water turbines in small hydropower plants. The same devices can also be used for energy recovery in water distribution networks. They can replace pressure reduction valves that often lead to energy loss. However, PATs lack the parts that regulate flow so that when a hydropower potential change occurs, efficiency is reduced, as is economic gain. This article summarizes the influence of changing hydropower potential on PAT efficiency and presents comparisons of experimental results with the commonly used predictive model stemming from the theory of physical similarity, which presumes constant PAT efficiency. Our research indicates that the deviation between the model and the real power output calculation at varying potentials was minimal. Similarly, the affine parabola can be used to determine the relationship between total head and flow rate. Other relationships differ from reality the more the PAT efficiency changes. The flow rate and total head d

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20704 - Energy and fuels

Project

<a href="/en/project/TG03010020" target="_blank" >TG03010020: Proof-of-concept activities at the Czech University of Life Sciences Prague</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2019

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Energies

ISSN

1996-1073

e-ISSN

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Volume of the periodical

12

Issue of the periodical within the volume

11

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

12

Pages from-to

1-12

UT code for WoS article

000472635900070

EID of the result in the Scopus database

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