Results 41 to 50 of about 118,983 (316)

SAW devices on frequency harmonics. Features of calculation of SAW parameters by the finite element method [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика
Background and Objectives: Acoustoelectronic devices (filters, delay lines, resonators, etc.) are used in a wide range of applications in various industries. Surface acoustic waves (SAW) filters are key elements of wireless communication systems, such as
Koigerov , Aleksey Sergeevich
doaj   +1 more source

Modeling of Coal Spontaneous Fire in A Large-Scale Stockpile

open access: yesInternational Journal of Technology, 2023
The increasing need for energy consumption has resulted in the use of energy sources in coal continuing to increase. The transportation and distribution activities of coal also cause the pile to be exposed to heat when it is in a pile.
Jeri At Thabari   +4 more
doaj   +1 more source

Multi-Physical Field Coupling Simulation of Φ100 Cold Crucible-Glass Solidification High Frequency Power Supply

open access: yesYuanzineng kexue jishu, 2023
High-frequency power supply is an important component of high-discharge glass curing systems for high level radioactive waste (HLLW) of cold crucibles, but because the parameters of each set of high-frequency power supply are not adjustable from the ...
WANG Zexue;LI Yusong;ZHU Dongdong;ZHANG Anqi;HONG Ye;LONG Haoqi;ZHANG Shengdong
doaj  

Study on permeability improvement and gas extraction by coal seam hydraulic fracturing based on PFC2D-COMSOL numerical simulation

open access: yesMeikuang Anquan, 2022
In order to study the gas drainage effect after hydraulic fracturing, PFC2D numerical simulation is combined with COMSOL numerical simulation, and a geometric model image pixel level processing method is proposed.
WANG Shibin   +4 more
doaj   +1 more source

Shape Optimization of a Shell in Comsol Multiphysics

open access: yesDe Computis, 2022
Optimization calculations are currently an actual and in-demand direction of computer-aided design. It allows not only the identification of the future characteristics of an object, but also the implementation of its exact model using a set of various ...
E. Ermakova   +2 more
semanticscholar   +1 more source

Simulation and Experimental Investigation of a Hollow, Bipolar Needle Electrode

open access: yesCurrent Directions in Biomedical Engineering, 2021
Localized impedance measurements at the needle tip identifying the present tissue type could aid clinicians in needle procedures. To assess the sensitivity field of a hollow, bipolar needle electrode, a 3D finite element approach using COMSOL ...
Liu Jan   +4 more
doaj   +1 more source

Reconstruction and seepage simulation of coal and rock pore fracture structure based on CT imaging

open access: yesMeikuang Anquan, 2021
In order to explore the seepage characteristics of coal seam pressure water injection under different permeability and fracture conditions, CT scanning technology was used to scan coal samples and obtain the original image. The noise points are filtered
LIU Weifu, DING Xuhai, ZHOU Guang
doaj   +1 more source

COMSOL Modeling of Heat Transfer in SVE Process

open access: yesEnvironments, 2022
Non aqueous phase liquid (NAPL) pollution exists in porous media such as soil. SVE technology can be used to remove this pollution in soil. However, few domestic and international studies have paid attention to the changes of soil temperature in the ...
Yan Shi   +4 more
semanticscholar   +1 more source

Modeling and Simulation of Reacting Systems: A COMSOL Multiphysics Approach for Chemistry Education

open access: yesCHIMIA
This article presents a comprehensive overview of modeling and simulation strategies for chemically reacting systems using the COMSOL Multiphysics®software, with a focus on applications in chemical engineering and chemistry education.
Ed Fontes
doaj   +1 more source

Calculating the 3D magnetic field of ITER for European TBM studies

open access: yes, 2015
The magnetic perturbation due to the ferromagnetic test blanket modules (TBMs) may deteriorate fast ion confinement in ITER. This effect must be quantified by numerical studies in 3D.
Asunta, O   +9 more
core   +1 more source

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