Results 151 to 160 of about 7,305,411 (311)

齿轮可靠性设计中微布尔分布的三参数估计

Jixie chuandong, 2008
The three parameters estimation of Weibull distribution is the first problem in gear reliability design using weibull distribution to describe random factors influencing gear reliability.
孙淑霞, 李良巧, 孙志礼, 白平
doaj  

A new trigonometric-oriented distributional method: Model, theory, and practical applications

Alexandria Engineering Journal
In this study, a new family of distributions is proposed, which incorporates a trigonometric function and is termed the weighted tan-G family. In comparison to various alternative methods, a key advantage of the proposed approach is its lack of ...
Omalsad Hamood Odhah, Olayan Albalawi, Huda M. Alshanbari   +2 more
doaj   +1 more source

Effect of Unit Cell Topology on Dielectric Properties of Periodic Lattice Materials Used for Functionally Graded Insulation

High Voltage, EarlyView.
ABSTRACT Periodic lattice material (PLM) is an innovative material system capable of rapidly and efficiently constructing functionally graded materials (FGMs). Among various PLM structures, triply periodic minimal surfaces (TPMS) exhibit numerous advantages, making TPMS‐based lattice materials a potential candidate to electrical FGMs.
Zihao Liu, Wendong Li, Peng Sun, Ni Wang, Xin Zhao, Yucheng Zhang, Chao Wang, Guanjun Zhang   +7 more
wiley   +1 more source

Failure Probability Evaluation of GIL Tri‐Post Insulators Under Electromechanical Stresses

High Voltage, EarlyView.
ABSTRACT Based on the energy theory, this paper proposes an evaluation method for the breakdown failure probability of the tri‐post insulator in a gas‐insulated metal‐enclosed transmission line (GIL). Various internal defects, vector forces and torque forces were considered, along with the application of an AC voltage.
Jianan Dong, Boxue Du, Zehua Wang, Zhijun Guo, Hucheng Liang   +4 more
wiley   +1 more source

A novel method developed to estimate Weibull parameters

, 2020
Muhammad Sumair, Tauseef Aized, Syed Asad Raza Gardezi, S. Rehman, Syed Muhammad Sohail Rehman   +4 more
semanticscholar   +1 more source

Investigation of Dielectric and Thermal Properties of Mineral Oil‐Based Fe3O4‐Coated SiO2 Core‐Shell Nanofluids

High Voltage, EarlyView.
ABSTRACT This study investigates the dielectric and thermal properties of transformer oil‐based nanofluids incorporating Fe3O4‐coated SiO2 core–shell nanoparticles as nanofillers. The nanoparticles were synthesised with varying shell thicknesses, and two samples underwent surface treatment.
Mohamed H. Abdo, El‐Sayed M. El‐Refaie, Abd Elrahman S. Tawfic, Diaa‐Eldin A. Mansour   +3 more
wiley   +1 more source

Modeling the pressure inactivation dynamics of Escherichia coli

Brazilian Journal of Medical and Biological Research, 2005
Escherichia coli, as a model microorganism, was treated in phosphate-buffered saline under high hydrostatic pressure between 100 and 300 MPa, and the inactivation dynamics was investigated from the viewpoint of predictive microbiology.
Yamamoto K., Matsubara M., Kawasaki S., Bari M.L., Kawamoto S.   +4 more
doaj  

The Breakdown and Self‐Clearing Performance During the Energy Harvesting Process of Dielectric Elastomer Generators Using Single‐Walled Carbon Nanotubes Electrodes

High Voltage, EarlyView.
ABSTRACT For dielectric elastomer generators (DEG), electrical breakdown is the main failure mode during their working cycle. The application of self‐clearing electrodes is of great significance to avoid a single breakdown leading to the failure of the entire generator.
Zihang Xu, Zepeng Lv, Chen Zhang, Kai Wu, Peter Morshuis, Aurore Claverie   +5 more
wiley   +1 more source

Polyamide Acid–Based Surface Modification of Poly(p‐Phenylene Benzobisoxazole) Fibres Reinforcing Syntactic Foam for Using Them as High‐Performance Insulating Core Material

High Voltage, EarlyView.
ABSTRACT The insulating core is an important part of pillar composite insulators used in power transmission systems. Traditional insulating core materials suffer from various problems that can threaten the reliability of insulated equipment. Syntactic foam (SF) exhibits excellent properties, such as a low density, water penetration resistance and high ...
Le Li, Xingdou Li, Zhuangzhuang Li, Chi Wang, Yang Wang, Wenhua Wu, Lei Yang, Jinxiang Liang, Yunpeng Liu   +8 more
wiley   +1 more source

Dynamic Bayesian Network for Continuous Health Index Estimation and Condition Assessment of Power Transformers

High Voltage, EarlyView.
ABSTRACT To address the limitations of traditional transformer health index (HI), such as high dependence on data integrity and inability to assist in diagnosing latent faults, this study proposes an HI prediction method based on dynamic Bayesian network (DBN).
Shuaibing Li, Hongyu Li, Yi Cui, Yongqiang Kang   +3 more
wiley   +1 more source