Elektrane (2025) [pp. 271-277]
AUTHOR(S) / AUTOR(I): Bogdan Ristić, Ivan Božić
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DOI: https://doi.org/10.46793/EEP25.271R
ABSTRACT / SAŽETAK:
To determine the performance of a large-scale hydraulic turbine, it is common to conduct model tests in laboratory conditions and to recalculate the obtained results to the corresponding prototype. For this purpose, a large number of scale-up formulas have been developed and considered so far, and only the ones standardized by IEC 60193 and IEC 62097 are used. In these expressions, the prototype water temperature plays a role, however, in many cases its effect is neglected. In this paper, an analysis of the influence of water temperature on prototype characteristics (hydraulic efficiency) is presented. Moreover, a sensitivity analysis was carried out in order to assess the importance of a precisely defined prototype water temperature.
KEYWORDS / KLJUČNE REČI:
prototype water temperature, hydraulic turbine, energy characteristics, scale-up
ACKNOWLEDGEMENT / PROJEKAT:
The authors gratefully acknowledge the support of the Ministry of Science, Technological Development and Innovation of the Republic of Serbia (according to Contract 451-03-137/2025-03/ 200105 from 04.02.2025.).
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