A method, device and medium for quantitatively evaluating jet quality of a nozzle of a pelton turbine

By using numerical simulation and multi-source data fusion, the one-sidedness of traditional jet quality evaluation was solved, and a comprehensive and accurate quantitative evaluation of the jet quality of impingement turbine nozzles was achieved, thereby improving the unit's operating efficiency and stability.

CN122065476BActive Publication Date: 2026-07-03DONGFANG ELECTRIC MACHINERY +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DONGFANG ELECTRIC MACHINERY
Filing Date
2026-04-20
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional jet quality evaluation methods cannot comprehensively and accurately quantitatively evaluate the jet quality of impingement turbine nozzles, leading to reduced impact efficiency and unstable operation.

Method used

Numerical simulation is used to extract the geometric parameters and characteristic parameters of the jet curve. An evaluation matrix is ​​constructed by fusing multi-source data to conduct a multi-dimensional quantitative analysis of the jet quality, including a comprehensive evaluation of parameters such as roundness, concentricity, ellipticity, radius non-uniformity, and axial velocity.

Benefits of technology

It enables a comprehensive and accurate quantitative evaluation of jet quality, provides a scientific basis for nozzle structure optimization and unit operation status monitoring, and improves the operating efficiency and stability of impulse turbines.

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Abstract

The application discloses a kind of jet quality quantitative evaluation method, equipment and medium for impulse water turbine nozzle, it is related to water turbine nozzle technical field, based on the numerical simulation calculation result of nozzle jet extraction impulse water turbine single nozzle different jet section jet curve geometric parameter and jet characteristic parameter, then through to jet curve geometric parameter and jet characteristic parameter are carried out multi-source data fusion, realize the comprehensive quantitative analysis of jet quality.The impulse water turbine jet quality quantitative evaluation method provided by the application can comprehensively analyze the jet quality of impulse water turbine under different working conditions by quantitatively analyzing the jet geometry, flow parameters and other multi-source information, with higher evaluation accuracy and reliability.The method can provide scientific basis and technical support for the optimization of water distribution ring pipe and nozzle structure of impulse water turbine, and has important engineering application value for improving the operation efficiency and service life of the unit.
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