Top: Science: Energy: Bioenergy: Terminology: T



[ history ]

Therm

A unit of energy equal to 100,000 Btus (= 105.5 MJ); used primarily for natural gas.


[ history ]

Thermochemical conversion

Use of heat to chemically change substances from one state to another, e.g. to make useful energy products.


[ history ]

Tipping fee

A fee for disposal of waste.


[ history ]

Ton, tonne

One U.S. ton (short ton) = 2,000 pounds. One Imperial ton (long ton or shipping ton) = 2,240 pounds. One metric tonne (tonne) = 1,000 kilograms (2,205 pounds). One oven-dry ton or tonne (ODT, sometimes termed bone-dry ton/tonne) is the amount of wood that weighs one ton/tonne at 0% moisture content. One green ton/tonne refers to the weight of undried (fresh) biomass material - moisture content must be specified if green weight is used as a fuel measure.


[ history ]

Topping cycle

A cogeneration system in which electric power is produced first. The reject heat from power production is then used to produce useful process heat.


[ history ]

Topping and back pressure turbines

Turbines which operate at exhaust pressure considerably higher than atmospheric (noncondensing turbines). These turbines are often multistage types with relatively high efficiency.


[ history ]

Transmission

The process of long-distance transport of electrical energy, generally accomplished by raising the electric current to high voltages.


[ history ]

Traveling grate

A type of furnace in which assembled links of grates are joined together in a perpetual belt arrangement. Fuel is fed in at one end and ash is discharged at the other.


[ history ]

Turbine

A machine for converting the heat energy in steam or high temperature gas into mechanical energy. In a turbine, a high velocity flow of steam or gas passes through successive rows of radial blades fastened to a central shaft.


[ history ]

Turn down ratio

The lowest load at which a boiler will operate efficiently as compared to the boiler's maximum design load. 



 All text is available under the terms of the GNU Free Documentation License. (See Copyright Policy for details.)
© Open-Site Foundation, Inc.
Hosted by Android Technologies, Inc. the medical robotics news source.
Visit our sister sites dmoz.org | mozilla.org | chefmoz.org | musicmoz.org