Unexpected vibrations induced by sealing and bearing faults in the rotor-bearing-seal
system seriously affect the health and reliability of the rotating machinery. Here, to study the …

In this paper, we originally present a gravity induced self-excited vibration generator based
on a cantilever piezoelectric resonator. The configuration is composed of a sliding rod, a …

Investigating dynamics and stability of rotors supported on journal bearings is a crucial step
in the design of an efficient and reliable rotating machine. In the current work, a model for …

Oxide particles have potential as robust heat transfer and thermal energy storage (TES)
media for concentrating solar power (CSP). Particles of low-cost, inert oxides such as …

The hydraulic turbocharger plays a vital role in harnessing the energy stored in brine within
reverse osmosis desalination plants. To optimize the efficiency and durability of this …

Hydrodynamic journal bearings are used in many applications which involve high speeds
and loads. However, they are susceptible to oil whirl instability, which may cause bearing …

Journal bearings (JBs) play a vital role in rotating machines across various fields. In vertical
rotating shaft systems with JB, synchronous vibration experiences stages of destabilization …

Performance evaluation of a hydropower generation system is a critical science and
engineering problem, with ubiquitous presence in hydropower plant applications. This study …

Journal sliding bearings are often used to support rotating machinery to add damping and
increase load capacity. These bearings have strong nonlinearities that can cause vibration …

Purpose This work investigates the nonlinear vibration and dynamical behavior of a twin-
spool rotor assembly supported by ball-bearings and squeezed film dampers (SFDs) using …