British thermal unit - Wikipedia
WEBThe 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 of one pound of water by one degree Fahrenheit. It is also part of the United States customary units.
British thermal units (Btu) - U.S. Energy Information Administration …
WEBBritish thermal unit (Btu) is a measure of the heat content of fuels or energy sources. One Btu is the quantity of heat required to raise the temperature of one pound of liquid water by 1° Fahrenheit (F) at the temperature that water …
British thermal unit (BTU) | Britannica
WEBBritish thermal unit (BTU), a measure of the quantity of heat, defined since 1956 as approximately equal to 1,055 joules, or 252 gram calories. It was defined formerly as the amount of heat required to raise the temperature of one pound of water 1° F. The definition was changed because it was.
British Thermal Unit (BTU): Exploring Its Definition, Uses, and ...
WEBApr 25, 2024 · The British Thermal Unit (BTU) is a unit of energy commonly used in the United States and UK to measure heating and cooling energy. It represents the amount of energy required to raise the temperature of one pound of water by one degree Fahrenheit. Q = M x Cp x ΔT. The formula to calculate British thermal units (BTUs) is:
What is thermal energy? (article) | Khan Academy
WEBThermal energy refers to the energy contained within a system that is responsible for its temperature. Heat is the flow of thermal energy. A whole branch of physics, thermodynamics, deals with how heat is transferred between different systems and how work is done in the process (see the 1ˢᵗ law of thermodynamics ).
What is British Thermal Unit (unit BTU) - Energy Unit - Definition
WEBMay 22, 2019 · British Thermal Unit is a traditional unit of heat. It is part of the British Imperial system of units. It is defined to be the amount of heat that must be absorbed by a 1 one pound of water to raise its temperature by 1 °F at the temperature that water has its greatest density (approximately 39 degrees Fahrenheit ).
British thermal unit Definition & Meaning - Merriam-Webster
WEBMar 28, 2024 · noun. : the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a specified temperature (such as 39°F) Did you know? Despite its name, the British thermal unit, or BTU, may be more widely used in North America than in Britain. Air conditioners, furnaces, and …
Units of Heat - BTU, Calorie and Joule - The Engineering ToolBox
WEB1 Btu (British thermal unit) = 1055.06 J = 107.6 kpm = 2.931 10-4 kWh = 0.252 kcal = 778.16 ft.lbf = 1.0551010 ergs = 252 cal = 0.293 watt-hours. An item using one kilowatt-hour of electricity generates 3412 Btu. one hundred thousand (105) Btu are called a therm. Calorie. A calorie is commonly defined as.
British Thermal Unit (BTU) - Energy Conversions - CheckYourMath
WEBSelect a conversion type and the desired units. A British Thermal Unit is a unit of energy in the Imperial System. The symbol for British Thermal Unit is BTU or Btu. A British Thermal Unit is measured as the quantity of heat required to raise the …
British Thermal Unit | Encyclopedia.com
WEBMay 21, 2018 · Physics. British thermal unit. Btu. views 2,965,618 updated May 21 2018. Btu. Abbreviation for "British Thermal Unit," the amount of energy needed to raise the temperature of one pound of water by one degree Fahrenheit. One Btu is equivalent to 1,054 joules or 252 calories.
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