Study of the electric field distribution of various electrospinning geometries and its effect on the resultant nanofibers using finite element simulation

2021 ◽  
Vol 235 ◽  
pp. 116463
Author(s):  
Aditi Gupta ◽  
Praharshitha Ayithapu ◽  
Richa Singhal
Keyword(s):  
Finite Element ◽  
Electric Field ◽  
Finite Element Simulation ◽  
Field Distribution ◽  
Electric Field Distribution ◽  
Element Simulation

Voltage Distribution Studies in Polluted ZnO Arrester Using the FEMLAB

2011 ◽  
Vol 268-270 ◽  
pp. 412-417 ◽  
Author(s):  
Ferhat Tighilt
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Electric Field ◽  
Metal Oxide ◽  
Field Distribution ◽  
Electric Field Distribution ◽  
The Finite Element Method ◽  
Voltage Distribution ◽  
Distribution Studies ◽  
Long Operation

The voltage and electric field distribution in an arrester are very important for its long operation 15 kV with and without pollution. In order to clarify the influence of pollution severity conditions on metal oxide surge arrester, the finite element method (FEM) compilation of the voltage distribution in the ZnO column varistors under different pollution layer conductivity (200 μS, 70μS, 20μS) and clean was employed using the FEMLAB package.

Influence of Ring Length on Electric Field Distribution in CdZnTe Frisch-Ring Detector

2011 ◽  
Vol 695 ◽  
pp. 513-516
Author(s):  
Jie Ren ◽  
Li Fu ◽  
Ling Bao Meng
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Electric Field ◽  
Field Distribution ◽  
Energy Resolution ◽  
Electric Field Distribution ◽  
Element Method

The CdZnTe (CZT) devices with various screening depth in dimensions 3×3×6mm3 were fabricated. The influence of Ring length (screening depth) and length of crystal on the electric field distribution in CZT devices has been explored by finite element method. The results indicated that ring length (screening depth) plays an important role on the detecting performance of CZT Frisch-ring devices. Longer screening depth gives rise to an electric field which is compressed more greatly. Measured spectra indicated that extreme compressed electric field could reduce detecting resolution. A FWHM energy resolution of approximately 3.71% at 662 keV was obtained for a device with dimensions 3×3×6mm3 and 4.8mm screening depth.

Potential and Electric Field Distribution of 220kV Insulator String with a Faulty Insulator under Windage Yaw Condition

2014 ◽  
Vol 521 ◽  
pp. 317-320
Author(s):  
Hui Hui Li ◽  
Zheng Zheng ◽  
Hong Bo Chen ◽  
Huan Bai ◽  
Hua Zhao Zhang ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Field Strength ◽  
Electric Field ◽  
Field Distribution ◽  
Electric Field Distribution ◽  
Field Distributions ◽  
Space Potential ◽  
Suspension Insulator ◽  
Variation Characteristics

Faulty insulators could appear in the HV transmission line insulator string under the comprehensive effect of electrical, mechanical and environmental factors and they can be detected according to the space potential and electric field distribution variation characteristics around the insulator string. Finite Element Method (FEM) was used to study the potential and electric field distributions of a 220kV suspension insulator string contained a zero-value insulator in windage condition, comparing with a fine insulator string. The results show that the variation of the space potential and electric field distributions of insulator string is the same as that under no windage condition. The curve of synthetic electric field along the central axis around the good insulator string is U-shape. The 10th and 11th insulators from the high-voltage end are the sensitive insulators where the distortion ratio of synthetic field strength is higher than 3%, when a faulty insulator is in the string. This result can provide preferences for the online detection of faulty insulators.

Design of Terraced Spinneret Based on Simulation of Electric Field Distribution in Electrospinning

2013 ◽  
Vol 690-693 ◽  
pp. 3132-3135 ◽  
Author(s):  
Guo Jun Jiang ◽  
Sai Zhang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Electric Field ◽  
Field Distribution ◽  
Large Scale ◽  
Electric Field Distribution ◽  
Special Design ◽  
Electrospinning Technique ◽  
Element Analysis ◽  
The Finite Element Analysis

The low productivity of conventional single-needle electrospinning inhibits the application of nanofibers to a commercial level. In order to improve the productivity of the electrospinning technique, a terraced spinneret has been designed based on the finite element analysis in this paper. The electric field distribution was modeled with the use of Ansoft Maxwell software. The experiment results demonstrated this special design spinneret has the potential to produce smooth nanofibers on a large scale.

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