[go: up one dir, main page]

Jonsson et al., 2022 - Google Patents

Procedure to minimize rotor vibrations from flow-induced excitations in Kaplan turbines

Jonsson et al., 2022

View PDF
Document ID
9868698232716563370
Author
Jonsson P
Nässelqvist M
Mulu B
Högström C
Publication year
Publication venue
IOP Conference Series: Earth and Environmental Science

External Links

Snippet

The flow pattern in the draft tube is commonly considered when investigating rotor vibration problems, especially for Francis turbines. However, phenomenon in the vaneless space for Kaplan turbines have been shown to induce rotor vibrations when operating in non-standard …
Continue reading at iopscience.iop.org (PDF) (other versions)

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y02E10/22—Conventional, e.g. with dams, turbines and waterwheels
    • Y02E10/226—Other parts or details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y02E10/22—Conventional, e.g. with dams, turbines and waterwheels
    • Y02E10/223—Turbines or waterwheels, e.g. details of the rotor

Similar Documents

Publication Publication Date Title
Mohanta et al. Sources of vibration and their treatment in hydro power stations-A review
Zuo et al. Pressure fluctuations in the vaneless space of High-head pump-turbines—A review
Muszynska Vibrational diagnostics of rotating machinery malfunctions
Egusquiza et al. Condition monitoring of pump-turbines. New challenges
Egusquiza et al. Failure investigation of a Pelton turbine runner
Ertas et al. Stabilizing a 46 MW multistage utility steam turbine using integral squeeze film bearing support dampers
Su et al. Study on the method of reducing the pressure fluctuation of hydraulic turbine by optimizing the draft tube pressure distribution
Jonsson et al. Procedure to minimize rotor vibrations from flow-induced excitations in Kaplan turbines
Lais et al. Dynamic analysis of Francis runners-experiment and numerical simulation
Salehi et al. Flow-induced pulsations in Francis turbines during startup-A consequence of an intermittent energy system
Tiwari et al. A review of the experimental estimation of the rotor dynamic parameters of seals
Gogstad Experimental investigation and mitigation of pressure pulsations in Francis turbines
Kaneko et al. Steam turbine rotor design and rotor dynamics analysis
Nennemann et al. Shear and vortex instabilities at deep part load of hydraulic turbines and their numerical prediction
Chengjing et al. Numerical investigation on leakage and rotordynamic performance of the honeycomb seal with swirl-reverse rings
Bouloc et al. Mechanical risks prediction on Francis runner by Spatial Harmonic Decomposition
Wang et al. Internal flow stability of a Francis turbine under wide load operating range
Brennen et al. Fluid‐induced rotordynamic forces and instabilities
Monette et al. Validation of deep part load dynamic stresses for axial runners
Sundstrom et al. Experimental investigation of vortex rope mitigation in a 10 MW axial turbine
Neidhardt et al. High part-load fluctuations in Francis turbines and the applicability of model test data
Sridharan et al. Mitigation of vibration on bulb turbine in small hydro electric power plants
Valentín et al. Synchronous condenser operation in Francis turbines: Effects in the runner stress and machine vibration
Li et al. Static and rotordynamic characteristics for two types of novel hole-pattern seals operating in supercritical CO2 turbomachinery
Dörfler et al. Low-frequency phenomena in swirling flow