The application of various modifications such as micro-channels, compartments, micro-
pores, texturing in mechanical non-contacting seals causes changes of dynamic properties …

At the sealing pressures of 1.25, 2.5, 5, 7.5 or 10 bar and at a rotation speed of zero to 8000
rpm, using experiment and CFD simulation, the static and dynamic stabilities of two three …

This paper represents the results of calculation of rotordynamics and leakage rate
characteristics of scallop seals with sickle grooves (SSSG) depending on seal geometry …

The paper describes the problem associated with the destruction occurred because of
fretting wear (FW) of contacting surfaces of elastic coupling (EC) parts, among which the …

There are considered the features of the structural and phase state of the aluminized
coatings obtained by the method of electric spark alloying (ESA) on the specimens made of …

Automatic balancing devices are used to balance the axial force in many multistage
centrifugal pump designs. Despite the obvious advantages of these devices their failure is …

Face throttles are widely used as a functional element of seals or automatic balancing
devices in pumps of different constructions. Hydrodynamic characteristics of such throttles …

Automatic balancing device is used to balance the axial force. Moreover, this device acts as
an end-seal of centrifugal pump and about 5% of whole power can be lost on it. Operating …

The main function of an automatic balancing device is to balance the axial force in multi-
stage centrifugal pumps. The advantage of this method of axial force balancing is the self …

The three-dimensional internal flow field of centrifugal pump is complex and variable with
design parameters and operation conditions. The post-processing technique named …