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Related Concept Videos

Cable: Problem Solving01:29

Cable: Problem Solving

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When dealing with a cable that is fixed to two supports and subjected to uniform loading, it is crucial to determine the maximum tension in the cable. This process can be broken down into several key steps, as outlined below:
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Cable Subjected to Its Own Weight01:13

Cable Subjected to Its Own Weight

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Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
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Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
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Energy Stored In A Coaxial Cable01:31

Energy Stored In A Coaxial Cable

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A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...
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Cable Subjected to Concentrated Loads01:28

Cable Subjected to Concentrated Loads

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Flexible cables are commonly used in various applications for support and load transmission. Consider a cable fixed at two points and subjected to multiple vertically concentrated loads. Determine the shape of the cable and the tension in each portion of the cable, given the horizontal distances between the loads and supports.
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Cable Subjected to a Distributed Load01:24

Cable Subjected to a Distributed Load

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The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
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Related Experiment Video

Updated: Jan 21, 2026

Optogenetic Functional MRI
06:06

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Multi-Tuned Cable Traps for Multinuclear MRI and MRS.

Matthew Wilcox, Steven M Wright, Mary P McDougall

    IEEE Transactions on Bio-Medical Engineering
    |August 10, 2019
    PubMed
    Summary
    This summary is machine-generated.

    Multi-tuning cable traps offer space-efficient solutions for multinuclear magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) applications. This method slightly reduces efficiency compared to single-tuned designs but provides significant space savings for high-density coils.

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    Area of Science:

    • Magnetic Resonance Imaging (MRI)
    • Magnetic Resonance Spectroscopy (MRS)
    • Radiofrequency (RF) Coil Design

    Background:

    • Eliminating common-mode currents is crucial for high-density array coils in MRI/MRS.
    • Current solutions often involve multiple single-tuned cable traps, which are space-consuming.

    Purpose of the Study:

    • To investigate the pole-insertion method for multi-tuning cable traps in multinuclear MRI and MRS.
    • To assess the efficiency and design guidelines for multi-tuned cable traps.

    Main Methods:

    • Studied the relative efficiency of multi-tuning cable trap modes with varied component values.
    • Evaluated performance at four different magnetic field strengths.
    • Compared efficiencies against equivalent single-tuned designs.

    Main Results:

    • Multi-tuned traps effectively blocked shield currents at multiple frequencies with only minor efficiency loss compared to single-tuned traps.
    • Trap inductor value critically influenced effectiveness, impacting lower and higher frequencies differently.
    • This relationship was consistent across all tested magnetic field strengths.

    Conclusions:

    • Presents design guidelines for double-tuning cable traps, beneficial for multinuclear RF coil design.
    • Multi-tuning offers a space-efficient alternative to serial single-tuned traps.
    • Demonstrated potential for triple-tuned and "floating" designs in future studies.