Energy terminology · MLC-0117
Energy terms: V (33)
- Vacuum distillationDistillation under reduced pressure (less the atmospheric) which lowers the boiling temperature of the liquid...
- Value added by manufactureA measure of manufacturing activity that is derived by subtracting the cost of materials (which covers...
- Value (of shipments)The value received for the complete systems at the company's net billing price, freight-on-board factory...
- Vapor displacementThe release of vapors that had previously occupied space above liquid fuels stored in tanks. These releases...
- Vapor retarderA material that retards the movement of water vapor through a building element (walls, ceilings) and prevents...
- Vapor-dominated geothermal systemA conceptual model of a hydrothermal system where steam pervades the rock and is the pressure-controlling...
- Variable air volume (VAV) system on the heating and cooling systemA means of varying the amount of conditioned air to a space. A variable air volume system maintains the air...
- Variable-speed wind turbinesTurbines in which the rotor speed increases and decreases with changing wind speed, producing electricity...
- Vehicle fuel consumptionVehicle fuel consumption is computed as the vehicle miles traveled divided by the fuel efficiency reported in...
- Vehicle fuel expendituresThe cost, including taxes, of the gasoline, gasohol, or diesel fuel added to the vehicle's tank. Expenditures...
- Vehicle identification numberA set of codes, usually alphanumeric characters, assigned to a vehicle at the factory and inscribed on the...
- Vehicle importerAn original vehicle manufacturer (of foreign or domestic ownership) that imports vehicles as finished...
- Vehicle miles traveledThe number of miles traveled nationally by vehicles for a period of 1 year. VMT is either calculated using...
- VentedNatural gas that is disposed of by releasing to the atmosphere.
- Vented/FlaredGas that is disposed of by releasing (venting) or burning (flaring).
- Ventilation systemA method for reducing methane concentrations in coal mines to non-explosive levels by blowing air across the...
- Vertical integrationThe combination within a firm or business enterprise of one or more stages of production or distribution. In...
- Vertical wellA vertical well is drilled vertically from the surface to its target depth.
- Vertical-axis wind turbineA type of wind turbine in which the axis of rotation is perpendicular to the windstream and the ground.
- VesselA ship used to transport crude oil, petroleum products, or natural gas products. Vessel categories are as...
- Vessel bunkeringIncludes sales for the fueling of commercial or private boats, such as pleasure craft, fishing boats...
- VIN (vehicle identification number)A set of about 17 codes, combining letters and numbers, assigned to a vehicle at the factory and inscribed on...
- Virgin coalCoal that has not been accessed by mining.
- VisbreakingA thermal cracking process in which heavy atmospheric or vacuum-still bottoms are cracked at moderate...
- VitriniteA type of woody kerogen that is relatively uniform in composition. Because vitrinite changes predictably and...
- Vitrinite reflectanceA measure of the percentage of light reflected from the surface of vitrinite grains from a sample of...
- VLCCVery Large Crude Carrier
- Volatile matterThose products, exclusive of moisture, given off by a material as gas or vapor. Volatile matter is determined...
- Volatile organic compoundsOrganic compounds that participate in atmospheric photochemical reactions.
- Volatile solidsA solid material that is readily decomposable at relatively low temperatures.
- Volt (V)The volt is the International System of Units(SI) measure of electric potential or electromotive force. A...
- VoltageThe difference in electrical potential between any two conductors or between a conductor and ground. It is a...
- Voltage reductionAny intentional reduction of system voltage by 3 percent or greater for reasons of maintaining the continuity...
33 of 2,515 terms in Energy terminology (MLC-0117). Request the full dataset.