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Deep learning compound trend prediction model for hydraulic turbine time series

open access: yes, 2021
As a clean energy with mature technology, hydropower has been widely applied in industry. The hydraulic turbine unit plays an important role in hydropower station. Since the fault of turbine unit will affect the normal operation of the whole hydropower
Lei Xiong   +5 more
semanticscholar   +1 more source

Numerical Investigation on the Flow-Induced Vibration Characteristics of Fire Turbopump with the Turbine-Pump Structure

open access: yesApplied Sciences, 2022
The vibration characteristics induced by radial hydraulic force on the fire turbopump have been investigated by numerical simulations in this paper. The numerical model was validated with corresponding experimental measurements.
Ye Yuan, Rong Jin, Lingdi Tang
doaj   +1 more source

Comparative Numerical Study of Conventional and Hydraulic Wells Turbine for Ocean-Wave Energy Conversion [PDF]

open access: yesBIO Web of Conferences
The Wells turbine is an ocean wave energy converter that has been implemented in several countries around the world. The hysteresis phenomenon, which causes a torque reduction when the rotor acquires air flow acceleration, is one of the Wells turbine's ...
Gunawan Zharfan Ghafara, Sutardi
doaj   +1 more source

Hydraulic Turbine Modelling Including a Fuzzy Model of Efficiency

open access: yesActa Electrotechnica et Informatica, 2023
The hydraulic turbine is considered as a heart of the hydropower plant because of its important function in the whole process of electrical energy production. Turbine´s efficiency calculation is analytically demanding and dependent on parameters that are
Perduková Daniela   +2 more
doaj   +1 more source

Study on Turbine Performance Driven by Power Guide Shoe Based on Response Surface Method

open access: yesShiyou jixie, 2022
In order to analyze the influence of turbine working parameters and structure parameters on turbine hydraulic efficiency and maximum equivalent stress,with the hydraulic driven turbine guide shoe as the study object,the fluid-solid interaction between ...
Luo Guangfu   +3 more
doaj  

Theoretical Justification of Low-Head Hydraulic Unit

open access: yesНаука и техника, 2003
The purpose of the present work is to justify the design of a low-head hydraulic turbine whose efficiency is by 10... 15 % higher than the efficiency of a water wheel.Theoretical investigations in respect of counteraction to torque of an impeller blade ...
V. K. Nedbalsky   +4 more
doaj   +1 more source

Numerical investigation on the blade load distribution in a pump as turbine

open access: yesFrontiers in Energy Research, 2023
Pump as turbine plays an important role in modern industrial process. One of the major goals of turbine design and optimization is to maximize its efficiency. Therefore, it is of great importance to connect force with work in the analysis process. In the
Xiaobang Bai   +5 more
doaj   +1 more source

Development and industrial tests of the first LNG hydraulic turbine system in China

open access: yesNatural Gas Industry B, 2016
The cryogenic hydraulic turbine can be used to replace the conventional J–T valve for LNG or mixed refrigerant throttling and depressurization in a natural gas liquefaction plant.
Jie Chen   +4 more
doaj   +1 more source

Stability comparison of different controllers for hydraulic turbine fractional order interval parameter time-delay system

open access: yesSystems Science & Control Engineering, 2023
This paper studies the stability comparison of four controllers for a hydraulic turbine fractional order interval parameter time-delay system. Considering the terms of parameter uncertainty and time-lag, the hydraulic turbine fractional order interval ...
Tian Tian, Jinhua Lv, Jian Tang
doaj   +1 more source

Performance Analysis for Francis Hydraulic Turbine based on Normalized Operating Condition and its Application

open access: yesChemical Engineering Transactions, 2015
The operating condition is normalized based on unit parameters and runner velocity triangle for hydraulic turbine in this paper. The hydraulic turbine performance is analyzed by using the normalized operating condition parameter and the actual data ...
Y.P. Li, H.L. Weng, J. Cheng, F.X. Chen
doaj   +1 more source

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