This work proposes on a novel continuum vibratory absorber that integrates a lever-type
nonlinear energy sink (LNES) with asymmetric elastic boundary into viscoelastic Euler …

Internal resonance and stress distribution of pipes conveying fluid at the supercritical flow
around curves have been firstly investigated, with the goal of improving the mechanical …

Energy industry can make significant savings by reducing electric motors ratings of the
popular Sucker-Rod Pump (SRP) systems. This can be achieved by application of robust …

Beam pumping units play a key role in oil extraction. There is an increasing demand for
optimal oil-extracting performance as operational environments are becoming more …

Magnetic fluid shock absorbers (MFSAs) have been successfully utilized to eliminate
microvibrations of flexible spacecraft structures. The method of enhancing the damping …

A carbon/glass hybrid fiber continuous sucker rod (CR) with lower specific gravity, better
corrosion resistance and higher strength was developed to replace the steel rod in the …

This paper studies the vibration absorber for a fluid-conveying pipe, where the lever-type
nonlinear energy sink (LNES) and spring supports are coupled to the asymmetric ends of …

In this study, a coupling model of fluid-conveying pipes made of functionally graded
materials (FGMs) with NiTiNOL-steel (NiTi-ST) for vibration absorption is investigated. The …

This paper studies the viability of energy savings in electric motors by adjusting the voltage
according to load in motors that operate under significant load variations during their work …

To achieve optimal voltage regulation and energy savings of an AC induction motor
operating under constant-torque and variable-working-load conditions, and consider a …