Results 261 to 270 of about 63,940 (291)
Some of the next articles are maybe not open access.
Journal of Vibration and Acoustics, 2016
Violent drillstring vibrations in a well should be suppressed to prevent premature failure of the drillstring parts and borehole wall and enhance the drilling process. This paper presents novel centralized impact dampers and torsional vibration dampers for lateral and torsional stick–slip vibration suppression which will function well in the harsh ...
Lingnan Hu +2 more
openaire +1 more source
Violent drillstring vibrations in a well should be suppressed to prevent premature failure of the drillstring parts and borehole wall and enhance the drilling process. This paper presents novel centralized impact dampers and torsional vibration dampers for lateral and torsional stick–slip vibration suppression which will function well in the harsh ...
Lingnan Hu +2 more
openaire +1 more source
Torsional vibration induced with the position dependent impacts
2022The 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, 2015Impact 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), 2022Ekrem Altinozen +2 more
openaire +1 more source
Impact resisting mechanism of tension–torsion coupling metamaterials
International Journal of Mechanical Sciences, 2023Liang Meng +7 more
openaire +1 more source
A Side-Impact Torsion Kolsky Bar
Experimental Mechanics, 2015B. J. Claus +3 more
openaire +1 more source
Characterization of Carbonate Rock Fragmentation Under Torsional Impact Loading
58th U.S. Rock Mechanics/Geomechanics SymposiumABSTRACT: In order to study the influence of torsional impact technology on rock stress response, cutting force and other parameters of carbonate rock under different impact amplitude and impact frequency, the crushing test of carbonate rock was carried out by using the method of torsional impact assisted PDC bit ...
Zhaohui Xu +7 more
openaire +1 more source
Impact of Extended Torsion on Ovarian Reserve Experimental Torsion-Detorsion Model in Rabbit
2017OBJECTIVE: To evaluate the effect of duration of torsion on ovarian reserve. STUDY DESIGN: Twenty-two female New Zealand rabbits were divided into a sham and 2 study groups. The torsion/detorsion (T/DT) groups had left adnexal torsion for either 3 or 6 hours followed by detorsion.
ÖZKAYA, GÜVEN +6 more
openaire +1 more source
Nonlinear oscillations of the torsion oscillator with impact masses
1997This paper deals with nonlinear oscillations of the torsion oscillator with reciprocal rigidly connected impact masses. It is assumed that two impulses occur at one interval of the disturbing torsion moment. The asymptotic Krilow-Bogolyubov-Mitropolyskiy method is applied, along with the stereomechanical impact theory for the inclusion of impact ...
Mitić, Saša, Hedrih, K.
openaire +1 more source