- 行业: Energy
- Number of terms: 18218
- Number of blossaries: 1
- Company Profile:
The American Gas Association represents local energy companies that deliver natural gas throughout the United States.
A mechanical connection between two pieces of machinery or two pipes to allow limited movement of the two parts relative to each other.
Industry:Energy
Heat expressed in terms of a square foot of steam radiator surface emitting 240 Btu per hour. (Btu per hour divided by 240).
Industry:Energy
Refers to the act of hoisting the drill pipe and permitting it to fall freely so that the drill bit strikes the bottom of the well bore with considerable force. This is done to clean the bit of an accumulation of the sticky shale which has slowed down the rate of penetration. Careless execution of this operation can result in kinks in the drill pipe and damaged bits.
Industry:Energy
The gas pressure that a utility undertakes to maintain on its domestic customers' meters. (Sometimes called the normal utilization pressure).
Industry:Energy
The space surrounding a cylinder of an engine through which a cooling liquid flows. Steam engine cylinders are sometimes heated by steam circulating through a jacket to prevent condensation on the inside cylinder walls. Also, the enclosure on an appliance such as a water heater, furnace, or boiler.
Industry:Energy
A contract whose pricing and sales quantity terms can be adjusted to reflect changes in supply and demand conditions.
Industry:Energy
A mechanical device connected to an engine to draw a chart of cylinder pressure versus piston position from which the relation of the energy input and energy output of the engine may be computed.
Industry:Energy
