Results 11 to 20 of about 119,769 (367)

A Multi Domain Modeling Approach for the CFD Simulation of Multi-Stage Gearboxes

open access: yesEnergies, 2022
The application of Computer-Aided Engineering (CAE) tools in mechanical design has consistently increased over the last decades. The benefits introduced by virtual models in terms of time and cost reductions are the main drivers for their exploitation in
Marco Nicola Mastrone, Franco Concli
doaj   +1 more source

Deep Contact Endurance Limit of Surface-Hardened Gears

open access: yesМеханика машин, механизмов и материалов, 2023
The reliability and durability of gears in most cases depend on the contact endurance of the material of the parts. Analysis of the stress state of surface-hardened gears has shown that under contact loading, the source of primary damage can be located ...
Sergei P. Rudenko   +2 more
doaj   +1 more source

Gearbox Fault Diagnosis Using Multiscale Sparse Frequency-Frequency Distributions

open access: yesIEEE Access, 2021
Gear fault related information is distributed over a broad frequency band, indicating a complex modulation mechanism. It is difficult to detect early-stage gear faults accurately by detecting fault frequencies in a limited frequency band.
Luke Zhang   +7 more
doaj   +1 more source

Seeded fault detection on helical gears with acoustic emission [PDF]

open access: yes, 2009
Acoustic emission (AE) is one of many technologies for health monitoring and diagnosis of rotating machines such as gearboxes. Although significant research has been undertaken in understanding the potential of AE in monitoring gearboxes this has been
Mba, David, Eftekharnejad, Babak
core   +1 more source

An overview of the effects of thermal processing on bioactive glasses [PDF]

open access: yesScience of Sintering, 2010
Bioglass® 45S5 is widely used in biomedical applications due to its ability to bond to bone and even to soft tissues. The sintering ability of Bioglass® powders is a key factor from a technological point of view, since its govern the production of ...
Bellucci D., Cannillo V., Sola A.
doaj   +1 more source

A comparative experimental study on the diagnostic and prognostic capabilities of acoustics emission, vibration and spectrometric oil analysis for spur gears [PDF]

open access: yes, 2007
Prognosis of gear life using the acoustic emission (AE) technique is relatively new in condition monitoring of rotating machinery. This paper describes an experimental investigation on spur gears in which natural pitting was allowed to occur.
Mba, David   +2 more
core   +1 more source

Integration of numerical analysis, virtual simulation and finite element analysis for the optimum design of worm gearing [PDF]

open access: yes, 2003
Due to the complicated tooth geometry of worm gears, their design to achieve high capacity and favourable performance is a tedious task, and the optimum design is hardly to obtain.
Qin, DT, Su, DZ
core   +1 more source

A Hybrid Finite Element Method–Analytical Model for Classifying the Effects of Cracks on Gear Train Systems Using Artificial Neural Networks

open access: yesApplied Sciences, 2022
Rotating machinery is fundamental in industry, gearboxes especially. However, failures may occur in their transmission components due to regular usage over long periods of time, even when operations are not intense.
Ronant de Paula Monteiro   +4 more
doaj   +1 more source

Gear Root Bending Strength: A New Multiaxial Approach to Translate the Results of Single Tooth Bending Fatigue Tests to Meshing Gears

open access: yesMetals, 2021
Developing accurate design data to enable the effective use of new materials is undoubtedly an essential goal in the gear industry. To speed up this process, Single Tooth Bending Fatigue (STBF) tests can be conducted.
Franco Concli   +2 more
doaj   +1 more source

Effect of Chill Plate Thickness on Surface Hardening and Dimensional Accuracy of Nodular Cast Iron Gears Manufactured by the Chill Casting Method

open access: yesDesigns, 2023
The gear manufacturing method is an important determinant of their performance and service life. Surface hardness and dimensional accuracy play a significant influence in determining wear and contact fatigue in gears. This study’s goal was to measure the
Natalino Fonseca Da Silva Guterres   +2 more
doaj   +1 more source

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