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band gap

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 4 words.

Barlow, Harold Everard Monteagle (1899–1989), electrical engineer

Alex Cullen.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Electrical Engineering; Education. 851 words.

Barlow, Harold Everard Monteagle (1899–1989), electrical engineer, was born on 15 November 1899 at 45 Balfour Road, Islington, London, the second child in the family of four sons and two...

base temperature ((building))

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 58 words.

The value of the external temperature below which a building needs to be heated. For buildings in the UK that have very good insulation and a high ...

baseload

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 14 words.

The minimum demand from customers during twenty-four hours or some other defined period.

baseload generation

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 50 words.

The electricity generation required to meet the *baseload. Baseload power plants operate whenever available, because they have lower short-run ...

battery

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 188 words.

An electrochemical device for storing energy in a form that can be readily converted into electrical energy. A battery contains ...

BAU

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 6 words.

Beau de Rochas, Alphonse (1815–93)

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 72 words.

who published a pamphlet giving the first theoretical description of the four-stroke cycle for internal combustion engines in 1861; it was essentially the ...

Belling, Charles Reginald (1884–1965), electrical engineer and manufacturer

Barbara Trompeter.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Electrical Engineering; Manufacturing; History of Manufacturing and Construction. 1062 words.

Belling, Charles Reginald (1884–1965), electrical engineer and manufacturer, was born on 11 May 1884 at Fore Street, Bodmin, Cornwall, the son of Samuel Thomas Belling, a dentist, and his...

Bernoulli, Daniel (1700–82)

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 39 words.

who is best known for his pioneering work on applying the conservation of energy to fluid flow and deducing Bernoulli’s equation. His work on fluids was published in 1738....

Bernoulli’s equation

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 5 words.

Bernoulli’s principle

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 144 words.

In the steady flow of an incompressible fluid, the speed of a point rises as its pressure or elevation falls. The pressure ...

Betz limit

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 92 words.

For a wind turbine, the maximum value of the power coefficient, which is the fraction of the kinetic energy extracted by the turbine in the incident wind that passes freely through an area...

biochar

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 70 words.

A very porous form of charcoal, produced as a by-product of the *pyrolysis of *biomass, that can be used as a soil improver. When added to soil, it can retain water and nutrients, and...

biocrops

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 5 words.

biodiesel

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 106 words.

A *biofuel produced from plant oils that has similar properties to the fossil fuel diesel produced from crude oil. Biodiesel can be made from plant oils by ...

biodiversity

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 80 words.

The variety of species of plants and animals within an area. Generally species are mutually interdependent, so it is important to maintain biodiversity. For example, green plants absorb...

bioenergy crops

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 15 words.

Crops that are grown for the production of *biofuels or for combustion.

bioethanol

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 124 words.

A *biofuel produced primarily from plants containing α-glucose polymers, such as sugar cane and corn. The sugar from these plants can be directly fermented by yeast or bacteria, which...

biofuels

Nick Jelley.

in A Dictionary of Energy Science

P ublished online January 2017 .

Reference Entry. Subjects: Alternative and Renewable Energy Sources and Technology; Fossil Fuel Technologies; Energy Economics. 151 words.

Fuels that are produced from *biomass, in particular *bioethanol and *biodiesel. In 2012, the US (60 per cent) and Brazil (27 per cent) were the main sources of the world’s bioethanol...