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Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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Distributed Loads01:19

Distributed Loads

582
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
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Short-distance Transport of Resources02:12

Short-distance Transport of Resources

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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

410
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
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Transformers in Distribution System01:27

Transformers in Distribution System

142
Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
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Carrier Transport01:21

Carrier Transport

529
The generation of electrical current in semiconductors is fundamentally driven by two mechanisms: drift and diffusion. These processes are essential for the functionality and performance of semiconductor-based devices.
Drift Current:
The drift of charge carriers is started by an external electric field (E). Charged particles, such as electrons and holes, experience an acceleration between collisions with lattice atoms. For electrons, this results in a drift velocity (vd) given by:
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Related Experiment Video

Updated: Aug 23, 2025

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

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CSV: Content Service Offloading System with Vehicular Caching.

Yeunwoong Kyung1, Taewon Song2

  • 1Division of Information & Communication Engineering, Kongju National University, Cheonan 31080, Korea.

Sensors (Basel, Switzerland)
|October 27, 2022
PubMed
Summary
This summary is machine-generated.

Vehicular caching (VC) improves network performance but struggles with service continuity. Our Content Service Offloading System (CSV) with VC enables seamless service migration, enhancing continuity and reducing server load.

Keywords:
content delivery networkservice continuityservice migrationvehicular caching

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Area of Science:

  • Computer Science
  • Network Engineering
  • Distributed Systems

Background:

  • Vehicular caching (VC) offers reduced latency and network load.
  • VC's opportunistic availability due to mobility hinders service continuity.
  • Existing systems face challenges in maintaining uninterrupted services.

Purpose of the Study:

  • Introduce a Content Service Offloading System (CSV) using VC.
  • Enhance service continuity for mobile users.
  • Mitigate the limitations of opportunistic vehicular caching.

Main Methods:

  • Developed the Content Service Offloading System (CSV).
  • Enabled content service migration between fog nodes (FN) and VC.
  • Created an analytical model to evaluate VC offloading efficiency.

Main Results:

  • CSV successfully migrates content services between fog nodes and vehicular caches.
  • Ongoing services are maintained without disruption during migration.
  • CSV demonstrably reduces the load on content servers compared to conventional systems.

Conclusions:

  • CSV effectively addresses service continuity challenges in vehicular caching.
  • The system enhances network efficiency by distributing server load.
  • CSV represents a significant advancement for reliable vehicular network services.