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Related Concept Videos

Deflection of a Beam01:19

Deflection of a Beam

Accurately determining beam deflection and slope under various loading conditions in structural engineering is crucial for ensuring safety and structural integrity. Singularity functions offer a streamlined approach to analyzing beams, especially when multiple loading functions complicate the bending moment equation.
Singularity functions, described in an earlier lesson, are powerful mathematical tools that represent discontinuities within a function commonly encountered in structural loading...
Beams01:30

Beams

Beams are integral components of structural engineering and construction, designed to support loads applied at various points along their length. These long, straight members can be classified based on geometry, cross-section, support type, and equilibrium condition.
Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

To understand shear on the flat side of a prismatic beam element, consider the vertical and horizontal shearing forces, and the normal forces, acting on the element. The element's upper (U) and lower (L) sections, which are divided by the beam's neutral axis, are examined. The equilibrium of these forces is determined by applying the equilibrium equation, which helps identify the horizontal shearing force. This force is directly related to the bending moments and the cross-section's first...
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
Atomic Absorption Spectroscopy: Radiation and Light Sources01:13

Atomic Absorption Spectroscopy: Radiation and Light Sources

Atomic absorption spectroscopy (AAS) relies on the Beer-Lambert law, which requires that the radiation source emits a narrow range of wavelengths to match the absorption characteristics of the analyte atom. The primary criteria for choosing an appropriate radiation source in AAS is to provide a precise and intense emission at specific wavelengths that will allow accurate detection of the analyte.
Two common narrow-range 'line' sources used in AAS are hollow-cathode lamps (HCLs) and...
Escape Velocity01:26

Escape Velocity

The escape velocity of an object is defined as the minimum initial velocity that it requires to escape the surface of another object to which it is gravitationally bound and never to return. For example, what would be the minimum velocity at which a satellite should be launched from the Earth's surface such that it just escapes the Earth's gravitational field?
To calculate the escape velocity, it is assumed that no energy is lost to any frictional forces. In practice, a satellite launched from...

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The Desertron: Colliding Beams at 20 TeV.

R Diebold

    Science (New York, N.Y.)
    |October 7, 1983
    PubMed
    Summary

    New particle accelerators could reach unprecedented collision energies, exploring a new frontier for fundamental physics. This research details options for achieving higher energies to discover novel particles and interactions.

    Area of Science:

    • High-energy particle physics
    • Accelerator science

    Background:

    • Current accelerators approach energy limits.
    • Theoretical models predict new physics at higher energies.

    Purpose of the Study:

    • To explore the feasibility of next-generation particle accelerators.
    • To investigate the potential for discovering new particles and interactions.

    Main Methods:

    • Analysis of advanced accelerator technologies.
    • Evaluation of proton-proton and proton-antiproton collision capabilities.
    • Cost-benefit assessment of different accelerator options.

    Main Results:

    • Identified accelerator designs capable of an order-of-magnitude increase in center-of-mass energy.

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  • Characterized rate capabilities for proposed facilities.
  • Estimated costs for various accelerator options.

    • Conclusions:

    • A new era of high-energy physics is achievable with proposed accelerator designs.
    • These facilities promise to unlock a vast new energy region for scientific discovery.