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Btu per hour (Btu/h) is sometimes used in North America and the United Kingdom - the latter for air conditioning mainly, though "Btu/h" is sometimes abbreviated to just "Btu". [18] MBH—thousands of Btu per hour—is also common. [19] 1 W is approximately 3.412142 Btu/h [20] 1,000 Btu/h is approximately 0.2931 kW; 1 hp is approximately 2,544 Btu/h
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Cracked hazelnut shell displaying the edible seed Hazelnut tree, Turkey. A hazelnut cob is roughly spherical to oval, about 15–25 millimetres (5 ⁄ 8 –1 inch) long and 10–15 mm (3 ⁄ 8 – 5 ⁄ 8 in) in diameter, with an outer fibrous husk surrounding a smooth shell, while a filbert is more elongated, being about twice as long as its diameter.
The beaked hazelnut is named for its fruit, which is a nut enclosed in a husk with a tubular extension 2–4 cm (3 ⁄ 4 – 1 + 1 ⁄ 2 in) long that resembles a beak. Tiny filaments protrude from the husk and may stick into, and irritate, skin that contacts them. The spherical nuts are small and surrounded by a hard shell.
Q is the amount of energy released or absorbed during the change of phase of the substance (in kJ or in BTU), m is the mass of the substance (in kg or in lb), and L is the specific latent heat for a particular substance (in kJ kg −1 or in BTU lb −1), either L f for fusion, or L v for vaporization.
Common hazel is typically a shrub reaching 3–8 metres (10–26 feet) tall, but can reach 15 m (49 ft). The leaves are deciduous, rounded, 6–12 centimetres (2 + 1 ⁄ 2 – 4 + 1 ⁄ 2 inches) long and across, softly hairy on both surfaces, and with a double-serrate margin.
The table below includes entries for popular substances already used for their energy, or being discussed for such use. The second column shows specific energy, the energy content in megajoules per unit of mass in kilograms, useful in understanding the energy that can be extracted from the fuel.
As of right now the unit conversion template gives different values for 1,000 British thermal units per pound (2,300 kJ/kg) and 1,000 British thermal units per pound (2,300 kJ/kg) while describing both units as "British Thermal Units". Is there some method to the madness or does the code need fixing?