Results 21 to 30 of about 320,868 (280)
Converting Operations Impact on Tissue Paper Product Properties – A Review
Tissue paper is deep-rooted in our daily life because of its different types of products that allow various applications. Tissue paper is a low grammage paper that is mainly characterized by softness, tensile strength, liquid absorption, and elasticity ...
Joana Costa Vieira +2 more
doaj +2 more sources
Parameter Equivalent Method of Stator Anisotropic Material Based on Modal Analysis
Accurate calculation of the vibration mode and natural frequency of a motor stator is the basis for reducing motor noise and vibration. However, the stator core and winding material parameters are difficult to determine, posing issues which result in ...
Zeyu Zhang +3 more
doaj +1 more source
Numerical studies of planar closed random walks
Lattice numerical simulations for planar closed random walks and their winding sectors are presented. The frontiers of the random walks and of their winding sectors have a Hausdorff dimension $d_H=4/3$.
Comtet A +14 more
core +1 more source
Winding numbers of phase transition points for one-dimensional topological systems
We study topological properties of phase transition points of one-dimensional topological quantum phase transitions by assigning winding numbers defined on closed circles around the gap closing points in the parameter space of momentum and a transition ...
Chen, Shu, Li, Linhu, Yang, Chao
core +1 more source
An Improved Test Method to Investigate the Power Transformer Winding Buckling Hoop Stress
Power transformers play a pivotal role in power grids, yet they are invariably exposed to short-circuit impacts. Precise assessment of the winding mechanical strength is crucial for ensuring power grid security.
Qiang Ou, Zongxi Zhang, Ruichi Zeng
doaj +1 more source
Establishing an accurate stator system modal analysis model is of great significance for the vibration and noise analysis of the motor, scholars still have some controversy about how to set the material properties of the stator core and winding in modal ...
Hongbin Yin +5 more
doaj +1 more source
Irregular Winding of Pre-preg Fibres Aimed at the Local Improvement of Flexural Properties [PDF]
The main undisputed benefit of using long fibre composite materials, whose properties could be targeted for a particular application, lies in the efficient utilisation of material.
Petr Kulhavy +4 more
doaj +1 more source
Performance comparison of conventional synchronous reluctance machines and PM-assisted types with combined star-delta winding [PDF]
This paper compares four prototype Synchronous Reluctance Motors (SynRMs) having an identical geometry of iron lamination stacks in the stator and rotor.
Ibrahim, Mohamed Nabil Fathy +2 more
core +3 more sources
Web Winding Simulation and Wound Roll Stresses
A method for simulating a web winding process and for predicting wound roll stresses is proposed. The simulation model is two-dimensional and is composed of a web and a core.
Shigeo YANABE +2 more
doaj +1 more source
How a wound roll stress distribution will change when a nip roller is used during winding, and how a wrap angle around the nip roller will affect the roll stress distribution, these are investigated by simulating a winding process of two-dimensional ...
Shigeo YANABE, Shigeru NAGASAWA
doaj +1 more source

