A procedure for determining the primary elements in a substance (carbon, hydrogen, oxygen, nitrogen, sulfur, and ash).

A thermodynamic cycle using constant pressure, heat addition and rejection, representing the idealized behavior of the working fluid in a gas turbine type heat engine.

An ideal substance that absorbs all radiation falling on it, and reflecting nothing.

In reference to solid biomass fuels, such as wood, having zero moisture content.

A slender threadlike spike of pure crystalline material, such as silicon.

The ratio of light reflected by a surface to the light falling on it.

A structural, load-carrying building member with an open web system that supports floors and roofs utilizing wood or specific steels and is designed as a simple span member.

Describes the reliability of power plants. It refers to the number of hours that a power plant is available to produce power divided by the total hours in a set time period, usually a year.

Electromagnetic radiation in the wavelength range of 4 to 400 nanometers.

A unit of measure for an electrical current; the amount of current that flows in a circuit at an electromotive force of one Volt and at a resistance of one Ohm. Abbreviated as amp.

As defined by the Energy Security Act (PL 96-294) of 1980, "any organic matter which is available on a renewable basis, including agricultural crops and agricultural wastes and residues, wood and wood wastes and residues, animal wastes, municipal wastes, ...

A fan mounted on an attic wall used to exhaust warm attic air to the outside.

A device that cuts off the flow of hot or cold air to or from a room as controlled by a thermostat.

Discharging a battery to 20 percent or less of its full charge capacity.

The interior heat gain due to heat conduction, convection, and radiation from the exterior into the interior, and from occupants and appliances.

Energy available as a result of motion that varies directly in proportion to an object's mass and the square of its velocity.

A solid fuel produced by shredding municipal solid waste (MSW). Noncombustible materials such as glass and metals are generally removed prior to making RDF. The residual material is sold as-is or compressed into pellets, bricks, or logs. RDF processing fa ...

That fraction of annual energy demand supplied by a solar system.

A type of electric generator that produces alternating current that matches an existing power source.

A condition that results from an imbalance between the number of protons and the number of electrons in a substance.