نتایج جستجو برای: moving force

تعداد نتایج: 287613  

Journal: :Electronics 2023

The COVID-19 pandemic accelerated and, somehow, forced the process of digital transformation within higher education sector. Due to pandemic, online modes course delivery have become only available way teaching in almost all parts world. We conducted a study Mexico know about students’ preferences for these class schedules, exams and assignments, styles during this health crisis. Furthermore, r...

J. A. Zakeri,

Investigation of vertical vibrations of a railway turnout is important in designing track components under moving loads of trains. In this paper, the turnout is simulated by a linear finite element model with modal damping. A section of the turnout has a length of 36 sleeper spans surrounding the crossing. Rails and sleepers are modeled with uniform Rayleigh- Timoshenko beam elements. The rail...

As a droplet moves, due to evaporation at the surface, the droplet size is gradually reduced. Due to decreasing the size of the droplets moving in the spray core, the surface charges become closer and the repulsive force between the charges increases. When the Coulombic force overcomes the surface tension force (Rayleigh instability) the droplet breaks into smaller droplets (Coulomb fission). T...

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