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Impact of DFIG‐based wind farm integration on sub‐synchronous torsional interaction between HVDC and thermal generators

IET Generation, Transmission & Distribution, 2018
In western China, large-scale wind power is generally bundled with thermal power, and transmitted to eastern China by high-voltage direct current (HVDC) systems. This constitutes the wind–thermal bundled system transmitted by HVDC (WTBH).
B. Gao   +6 more
semanticscholar   +1 more source

Impact of Neighboring Chains on Torsional Defects in Oligothiophenes

The Journal of Physical Chemistry A, 2012
Conjugated organic oligomers are central to the development of efficient organic electronic devices and organic photovoltaics. However, the torsional flexibility of many of these organic materials, in particular oligothiophenes, can adversely affect charge transfer properties.
Elizabeth C, Vujanovich   +2 more
openaire   +2 more sources

Experimental study of torsional impact fatigue of shafts

Journal of Sound and Vibration, 2007
Abstract This paper presents a methodology to study the fatigue strength of shafts under repeated impacts. The equipment for repeated impacts was designed for torsion tests of shafts for the same loading conditions as in service. The stress concentration effect, due to a fillet radius between square and circular cross-sections of the axle, was ...
Ion Dumitru   +2 more
openaire   +1 more source

Impact of shaft torsionals in steam turbine control

IEEE Transactions on Energy Conversion, 1989
Shaft torsional vibrations are discussed along with their effect on steam turbine-generator control following severe supply-network disturbances and the destabilization of shaft torsional modes through the action of high-speed electrohydraulic controllers.
openaire   +1 more source

Impact of fibular torsion and rotation on chronic ankle instability

Foot and Ankle Surgery, 2014
The fibula is known not to involve in transmission of weight but known simply as an ankle stabilizer. However, its main function in stabilizing the ankle remains obscure. Since the fibula has an impact on torsion and rotation of the ankle, its effect on lateral ankle instability should be investigated.Twenty patients with lateral ankle instability ...
Tubbs, Shane R.   +7 more
openaire   +3 more sources

Torsion in Quadrupeds and Its Impact on Mammalian Joints

Clinical Orthopaedics and Related Research, 1994
Congenital and acquired torsion occur in the limbs of domestic animals. Congenital abnormalities are of clinical significance in foals; they are also seen in calves whose dams have ingested certain toxic plants that contain teratogenic agents. Acquired torsional deformities are most common in foals, but are also observed in adult horses, dogs, and ...
openaire   +2 more sources

Impact of Torsional and Bending Inertia on Root Canal Instruments

Journal of Endodontics, 2001
The laws of applied mechanics can be used to analyze and predict the behavior of mechanical parts subjected to strain and distortion, such as endodontic instruments. Simple mathematical formulas can be used to represent the impact of torsional and bending inertias on stresses in endodontic instruments being used in root canals.
Y L, Turpin   +4 more
openaire   +2 more sources

Torsional vibration induced with the position dependent impacts

2022
The important issue of the torsional vibration induced with impacts which depend on position is investigated in terms of nonlinearities that can still be handled with modal superposition. The considered models involve non-classical damping and rigid body modes.
Sedlar, Damir   +2 more
openaire   +1 more source

Dynamic Modeling of Torsional Impact and its Stiffness Measurement for Impact Wrench

Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, 2015
Impact wrench is a popular hand tool whose mechanism is featured with impact characterized by short time duration and large contact torque. The nonlinear impact problem has drawn researchers’ interests for a long time and the investigation is still undergoing.
Shengli Zhang, Jiong Tang
openaire   +1 more source

Impact of Torsion on Flexible Interconnects

2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2022
Ekrem Altinozen   +2 more
openaire   +1 more source

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