Machinery health prognostics: A systematic review from data acquisition to RUL prediction

Remaining Useful Life Prediction using Deep Learning Approaches: A Review

Experimental investigation of an indirect solar dryer integrated with phase change material for drying valeriana jatamansi (medicinal herb)

A review of recent studies on piezoelectric pumps and their applications

This paper explains development of the general mathematical model of trochoidal gearing that can be applied for gerotor pumps and cyclo reducers. The model analyzes geometry and physics of the gearing pair in trochoidal pump where the outer gear has one tooth more than the inner gear. The inner gear profile is described by peritrochoid equidistance and the outer gear profile by circular arc. Mathematical model of gearing with clearances is based on the principle of an ideal profile development. Minimum clearance height between teeth profiles in relation to instantaneous gear ratio is determined. The influence of gear profile geometrical parameters on gearing process, clearance height change, and pulsation of drive moment is analyzed and presented in numerical examples. Obtained results can be used for the design of the trochoidal gearing where accurate and silent operation is required. [DOI: 10.1115/1.4005621]

Modeling of the Meshing of Trochoidal Profiles With Clearances

The work presented in this article demonstrates the use of an empirical and simplified approach based on an optical technique and a home-made ad hoc code that give knowledge of the shape and fallin...

https://journals.sagepub.com/doi/pdf/10.1177/1687814016669635

An empirical methodology for prediction of shape and flow rate of a free-falling non-submerged liquid and casting iron stream:

Contact problems of a trochoidal-gear pump

Misalignment effects on the load capacity of a hydraulic cylinder

Friction effects on the load capacity of a column and a hydraulic cylinder

A numerical study in a mini trochoidal-gear pump based on an ingenious strategy to adapt the background mesh to the profiles shape and a new boundary condition is presented. The strategy achieves a final background mesh better adapted to the geometries and, additionally, the cells are more homogenous and less distorted when the trochodial-profiles are moved. The new boundary condition to simulate the multi-meshing contact points is applied at every time step by means of the viscous wall approach, a home-made ad-hoc code, which has been integrated in an OpenFOAM solver that also includes the dynamic mesh functionality by deforming the mesh following the trochoidal-gear rotation. The presented numerical study establishes the basis that will allow simulating more realistic aspects of a new design of a mini trochoidal-gear pump once the need for a continuous fluid domain is overcome reproducing actual contacts between the rotors and will guide to a better understanding of the new design.

M. Khamashta

Papers

An empirical methodology for prediction of shape and flow rate of a free-falling non-submerged liquid and casting iron stream:

Contact problems of a trochoidal-gear pump

Misalignment effects on the load capacity of a hydraulic cylinder

Friction effects on the load capacity of a column and a hydraulic cylinder

Numerical Study in a Mini Trochoidal-Gear Pump With Multi-Meshing Contact Points