Results 81 to 90 of about 2,422,126 (278)
Water harvesting, radiative cooling, and interfacial solar evaporation are fundamentally governed by coupled heat, mass, and light transport processes. These processes are mediated by pore architecture, including pore size, connectivity, and hierarchical organization.
Dejan J. Trajkovski +5 more
wiley +1 more source
Study on the Finite Element Analysis Method for Contact Stress of Rolling Bearing
The mesh matching method is proposed for clearance error and non point contact problem caused by mesh discretization in the finite element analysis rolling bearing.
Liu Dong, Yan Ming, Jin Hao, Zou Bin
doaj
A novel selective laser sintering and graphitization (SLSG) 3D printing technology enables unibody fabrication of compacted insulating structures and conductive circuits in fluidic‐integrated wearable electronics through adaptive photonic modulation.
Li Zhang, Wing Cheung Mak
wiley +1 more source
Research on cold rolling of 41Cr4/20NiCrMo7 bimetal composite bearing ring
In order to improve the service life of bearing rings, a new method of cold rolling bimetal composite bearing rings was proposed in this paper.With Abaqus software,a finite element simulation model of the cold rolling of bimetal composite bearing rings ...
B. S. Sun, C. W. Wang, Z. L. Zhao
doaj
Rolling Element Bearing Fault Diagnosis Based on Multiscale General Fractal Features
Nonlinear characteristics are ubiquitous in the vibration signals produced by rolling element bearings. Fractal dimensions are effective tools to illustrate nonlinearity.
Weigang Wen +3 more
doaj +1 more source
Feature Extraction Using Sparse Kernel Non-Negative Matrix Factorization for Rolling Element Bearing Diagnosis. [PDF]
Liang L, Ding X, Liu F, Chen Y, Wen H.
europepmc +1 more source
Bearing defect detection and diagnosis using a time encoded signal processing and pattern recognition method [PDF]
Many new bearing monitoring and diagnosis methods have been explored in the last two decades to provide a technique that is capable of picking up an incipient bearing fault.
Gu, Fengshou +7 more
core +1 more source
Radiative Thermal Management for Extreme Environments: Mechanisms and Design Strategies
In this review, we discuss the fundamental mechanisms of radiative cooling and solar heating, material and structural design strategies, hybrid approaches integrating additional heat transfer pathways, and durability‐oriented designs addressing environmental stresses.
Hyung Rae Kim +5 more
wiley +1 more source
To detect rolling element bearing defects, many researches have been focused on Motor Current Signal Analysis (MCSA) using spectral analysis and wavelet transform.
Imaouchen Yacine +2 more
doaj +1 more source
A chemically defined PEG‐based microgel platform enables scalable, reproducible production of three‐dimensional microgel‐iPSC constructs in multiple sizes. The system is compatible with high‐throughput automation and supports human iPSC expansion and differentiation within a single construct, including directed differentiation into cardiac organoids ...
Laura Klasen +8 more
wiley +1 more source

