energy density

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Related to Fuel value: calorific value, Lower heating value

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Embodied Adjusted credit ($) fossil energy under a carbon Alternative (proportion of credit system (nominal total fuel value), % credit = $20/t) US pellets 20 16 Slovenian pellets 10 18 Slovenian chips 3 19.40 Coal 100 0 Adjusted tax ($) under a carbon Alternative tax system (nominal tax = $20/t) US pellets 4 Slovenian pellets 2 Slovenian chips 0.60 Coal 20
Therefore, 1 Scf of natural gas will have the same fuel value regardless of the actual pressure.
Carbon monoxide also has significant fuel value and readily can be converted by known catalysts into hydrocarbons or into methanol for use as a liquid fuel.
Although ethanol has less fuel value than gasolineAumeaning a car will travel fewer miles on a gallon of ethanol than on a gallon of gasolineAuit also creates 38 percent less carbon dioxide than gasoline when burned, according to Quinn.
If the fuel value for a crop, say corn, exceeds its food value, then it will be used for fuel - and that's happening; grain reserves are at an all-time low.
This provides something less than solid fuel value to the plant.
Whenever the food value of a commodity drops below its fuel value, the market will convert it into fuel.
Reformers, after they separate the hydrogen out of the fuel, throw away the carbon, which is 50 percent of the fuel value, he said.
Liquid methane is possible, giving 80 percent of the fuel value of jet fuel.
Enertech Environmental, Inc., claims their Slurry Carb technology can create high-grade fuel from a wide variety of waste streams ranging from low-value coal to sewage sludge using a wet thermal oxidation, in which combustible material is pulped in a water solution and then carbonized to a fuel value equivalent to medium-grade coal.
With fuel value of 16 X [10.sup.6] BTU/Mg, the maximum energy potential of this residue is 1.3 quad for corn and 1.9 quad for all cereals.