energy density


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energy density

[′en·ər·jē ‚den·səd·ē]
(physics)
The energy per unit volume of a medium; in the case of an electric or magnetic field, the energy needed to set up the field is thought of as residing in the field.
References in periodicals archive ?
The strain energy density is separated into two terms: the first one expresses the dilatation energy density (the "mass" longitudinal term) while the second one expresses the distortion energy density (the "massless" transverse term):
The company's solid-aluminium-encased ultracapacitors provide three-times higher energy density and two-times higher power density than its competitors.
Rivlin and Saunders (1) proposed that a strain energy density function is expressible in the form of even powered series of the principal stretches.
This is due to the higher laser energy density causing better consolidation of the particles forming a denser, stronger component.
This high energy density battery can also contribute to downsizing and weight reduction of portable devices.
0 million delivery order from the Air Force to develop the next-generation of sodium borohydride-based fuel cartridge technology to address higher energy density targets for future power sources.
Angstrom, a five-year old company aiming to develop commercial micro fuel cells and bring energy density systems to the portable electronic device market, received the funding through an agreement with an investment consortium headed by VantagePoint Venture Partners.
Workshop on High Energy Density and High Power RF (7th: 2005: Kalamata, Greece) Ed.
Under the license agreement, Nihon Micro Coating will nonexclusively be able to develop, prototype, manufacture, use, and market lithium ion capacitors based on FHI's capacity that uses its proprietary pre-doping technology to occlude lithium ions on a negative electrode to significantly increase the capacitor's energy density.
In science and technology, astounding progress marches alongside maddeningly simple but seemingly unsolvable problems, in the last 50 years, the density of data on computer disks has increased 500 million times while the energy density of batteries has increased only marginally.
People tend to consume more food when it is high in fat or energy density (Rolls and Bell 1998; Stubbs et al.
The model considered differences in the energy density of the prey, and differences in digestive efficiency and the heat increment of feeding of different diets.

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