The British thermal unit (Btu) is a measure of heat, which is a form of energy. It was originally defined as the amount of heat required to raise the temperature...
19 KB (1,909 words) - 14:43, 21 August 2024
radiation. It has the units square metre kelvins per watt (m2⋅K/W) in SI units or square foot degree Fahrenheit–hours per British thermal unit (ft2⋅°F⋅h/Btu)...
29 KB (2,781 words) - 09:34, 22 August 2024
system of units, imperial system or imperial units (also known as British Imperial or Exchequer Standards of 1826) is the system of units first defined...
76 KB (6,513 words) - 23:00, 15 August 2024
both energy and work include the foot-pound force (1.3558 J), the British thermal unit (BTU) which has various values in the region of 1055 J, the horsepower-hour...
7 KB (883 words) - 07:12, 2 August 2024
water under standard atmospheric conditions be 212 °F (100 °C). The British thermal unit (Btu) is defined as the heat needed to raise the temperature of one...
82 KB (8,900 words) - 05:04, 20 August 2024
R-value (insulation) (redirect from Thermal insulance)
the building industry term for thermal resistance "per unit area." It is sometimes denoted RSI-value if the SI units are used. An R-value can be given...
59 KB (7,798 words) - 17:23, 14 August 2024
newtons. 1 kip = 1000 lbf ≈ 4.44822 kN Energy 1 foot-pound ≈ 1.356 J 1 British thermal unit (Btu) ≈ 1.055 kJ (1,054–1,060 J, depending on which of several definitions...
44 KB (4,027 words) - 23:41, 18 August 2024
Heat (redirect from Thermal enegy)
International System of Units (SI). In addition, many applied branches of engineering use other, traditional units, such as the British thermal unit (BTU) and the...
75 KB (10,929 words) - 16:54, 9 August 2024
efficient it is. In the U.S., the SEER is the ratio of cooling in British thermal units (BTUs) to the energy consumed in watt-hours. For example, consider...
21 KB (2,755 words) - 00:22, 25 June 2024
The tog is a measure of thermal insulance of a unit area, also known as thermal resistance. It is commonly used in the textile industry and often seen...
5 KB (570 words) - 08:08, 5 August 2024