British thermal unit: Difference between revisions
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<onlyinclude>'''British thermal units''', or BTUs, are a [[units|unit]] of [[energy]]. It is the amount of energy required to [[heat]] a pound of water by one degree [[Fahrenheit]] at one [[atm]].</onlyinclude> | <onlyinclude>'''British thermal units''', or BTUs, are a [[units|unit]] of [[energy]]. It is the amount of energy required to [[heat]] a pound of water by one degree [[Fahrenheit]] at one [[atm]].</onlyinclude> | ||
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==Conversions== | ==Conversions== | ||
<html><br /> <iframe src=" | <html><br /> <iframe src="https://energyeducation.ca/simulations/converter/converter.php?defaultMeasure=Energy&defaultFrom=BTU&defaultTo=joule" width="750" scrolling="no" height="200"> </iframe><br /> </html> | ||
Read more about the BTU [http://www.unc.edu/~rowlett/units/dictB.html#BTU here] | ==For Further Reading== | ||
*[[Energy]] | |||
*[[End use energy]] | |||
*[[Primary energy]] | |||
*[[Energy conversion technology]] | |||
*Or explore a [[Special:Random|random page]] | |||
*Read more about the BTU [http://www.unc.edu/~rowlett/units/dictB.html#BTU here] | |||
==References== | ==References== | ||
{{reflist}} | {{reflist}} | ||
[[Category:Uploaded]] | [[Category:Uploaded]] | ||
Revision as of 20:22, 24 June 2018
British thermal units, or BTUs, are a unit of energy. It is the amount of energy required to heat a pound of water by one degree Fahrenheit at one atm.
The BTU is defined as 251.9958 calories, and due to the calorie having many different accepted values, so does the BTU. These different values of the BTU include:[1]
| thermochemical Btu | 1 Btu = 1054.35 J |
| 59 °F (15 °C) Btu | 1 Btu = 1054.80 J |
| International Table Btu | 1 Btu = 1055.06 J |
| mean Btu | 1 Btu = 1055.87 J |
The International Table BTU is the value that is most commonly accepted in most modern energy publications,[2] so this will be the value being used whenever the BTU is referred to anywhere in this website.
BTU per hour (BTU/hr) is a measurement of power, and is more commonly used than BTU. Most house furnaces are rated in BTU/hr.
Conversions
For Further Reading
- Energy
- End use energy
- Primary energy
- Energy conversion technology
- Or explore a random page
- Read more about the BTU here
References
- ↑ American Physical Society. Energy Units [Online]. Available: http://www.aps.org/policy/reports/popa-reports/energy/units.cfm
- ↑ U.S. Department of Energy, Annual Energy Review 1995, Energy Information Administration Report DOE/EIA-0384(95) (Washington, D.C.: U.S. DOE, 1996).