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Applied Sciences, Volume 14, Issue 15

August-1 2024 - 462 articles

Cover Story: Given the increased use of high-voltage DC (HVDC) systems and the conversion of AC into DC using power electronics with faster switching times, the issue of electromagnetic interference (EMI) is receiving more attention. A finite-difference time-domain method is used to study the properties of single switching events using a realistic model of an HVDC converter station, with a special emphasis on determining the impact of the valve hall on shielding EMI. It is shown that the valve hall does not confine high-frequency electromagnetic fields to the valve hall; rather, it delays them from exiting through bushings in the wall and spreads them out in time. Furthermore, it is shown that incorporating electromagnetic absorbing material into the valve hall’s design can significantly reduce EMI outside the converter station. View this paper
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Articles (462)

  • Article
  • Open Access
2 Citations
2,016 Views
16 Pages

5 August 2024

The mysterious nature of electromagnetic momentum in materials is considered one of the most significant challenges in physics, surpassing even Hilbert’s mathematical problems. In this paper, we demonstrate that the difference between the Minko...

  • Article
  • Open Access
1 Citations
1,890 Views
18 Pages

5 August 2024

Selective laser melting (SLM) is a rapidly evolving technology that requires extensive knowledge and management for broader industrial adoption due to the complexity of phenomena involved. The selection of parameters and numerical analysis for the SL...

  • Article
  • Open Access
1 Citations
1,935 Views
14 Pages

5 August 2024

Pre-existing concealed goafs underneath open-pit slopes (PCO-goafs) pose a serious threat to the stability of open-pit slopes (OP-slopes), which is a common problem worldwide. In this paper, the variable weight-target approaching method, equilibrium...

  • Article
  • Open Access
1 Citations
3,605 Views
23 Pages

Enhancement of English-Bengali Machine Translation Leveraging Back-Translation

  • Subrota Kumar Mondal,
  • Chengwei Wang,
  • Yijun Chen,
  • Yuning Cheng,
  • Yanbo Huang,
  • Hong-Ning Dai and
  • H. M. Dipu Kabir

5 August 2024

An English-Bengali machine translation (MT) application can convert an English text into a corresponding Bengali translation. To build a better model for this task, we can optimize English-Bengali MT. MT for languages with rich resources, like Englis...

  • Article
  • Open Access
4 Citations
1,842 Views
10 Pages

Investigation of the Effect of Relative Density on the Dynamic Modulus and Damping Ratio for Coarse Grained Soil

  • Ziying Huang,
  • Sen Cai,
  • Rongfen Hu,
  • Jianfeng Wang,
  • Mingjie Jiang and
  • Jian Gong

5 August 2024

As the critical dynamic parameters for soil, an extensive examination of the dynamic elastic modulus Ed and damping ratio λ in coarse-grained soil is of significant theoretical and practical importance. Currently, there is a scarcity of experi...

  • Article
  • Open Access
1 Citations
1,896 Views
13 Pages

5 August 2024

This paper proposes a composite model that combines convolutional neural network models and mechanical analysis to determine the forces acting on an object. First, we establish a model using Newtonian mechanics to analyze the forces experienced by th...

  • Article
  • Open Access
7 Citations
2,808 Views
11 Pages

Reduction Potential of Gaseous Emissions in European Ports Using Cold Ironing

  • Krishna Pavan Peddi,
  • Stefano Ricci and
  • Luca Rizzetto

5 August 2024

Providing electrical power to ships while they are docked, cold ironing allows ships to turn off their engines and reduces emissions of air pollutants and greenhouse gases. This study identifies and assesses ship and port emissions and analyzes the p...

  • Article
  • Open Access
1 Citations
1,483 Views
15 Pages

5 August 2024

Snow plays a crucial role in the global water and energy cycles, and its melting process can have a series of impacts on hydrological or climatic systems. Accurately capturing the timing of snowmelt runoff is essential for the utilization of snow res...

  • Article
  • Open Access
4 Citations
2,943 Views
22 Pages

A Transformer Maintenance Interval Optimization Method Considering Imperfect Maintenance and Dynamic Maintenance Costs

  • Jianzhong Yang,
  • Hongduo Wu,
  • Yue Yang,
  • Xiayao Zhao,
  • Hua Xun,
  • Xingzheng Wei and
  • Zhiqi Guo

5 August 2024

As one of the most critical components of the power grid system, transformer maintenance strategy planning significantly influences the safe, economical, and sustainable operation of the power system. Periodic imperfect maintenance strategies have be...

  • Article
  • Open Access
3 Citations
1,347 Views
17 Pages

High Accuracy Reconstruction of Airborne Streak Tube Imaging LiDAR Using Particle Swarm Optimization

  • Xing Wang,
  • Zhaodong Chen,
  • Chaowei Dong,
  • Zhiwei Dong,
  • Deying Chen and
  • Rongwei Fan

5 August 2024

Airborne streak tube imaging LiDAR (STIL) consists of several different data-generating subsystems and introduces system errors each time it is installed on an aircraft. These errors change with each installation, which makes the parametric calibrati...

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Appl. Sci. - ISSN 2076-3417Creative Common CC BY license