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See all on WikipediaBritish thermal unit - Wikipedia
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 of one pound of water by one degree Fahrenheit. It is also part of the United States customary units. The SI unit for energy is the joule (J); one Btu … See more
A Btu was originally defined as the amount of heat required to raise the temperature of 1 avoirdupois pound of liquid water by 1 degree Fahrenheit at a constant pressure of one atmospheric unit. There are several different definitions … See more
One Btu is approximately:
• 1.0551 kJ (kilojoules)
• 0.2931 W⋅h (watt hours)
• 252.2 cal (calories) See more1942-05-30The actual technical term "British thermal unit" apparently originated in the United States, and was subsequently adopted in Great Britain.2000-01-01United Kingdom regulations were amended to replace therms with joules.2005The U.S. economy used 99.75 quads.• 1 ton of cooling, a common unit in North American refrigeration and air conditioning applications, is 12,000 Btu/h (3.52 kW). It is the rate of heat … See more
• "The Units of Measurement Regulations 1995". www.legislation.gov.uk. HMSO. 13 July 1995. Retrieved 23 February 2018.
• See moreWikipedia text under CC-BY-SA license British thermal unit - Simple English Wikipedia, the free …
WebBritish thermal unit (abbreviated BTU) is a unit of energy used to produce heat. The uniy is widely used in the United Kingdom, United States, and Canada. It is used for some purposes, for example natural gas pricing.
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British thermal units (Btu) - U.S. Energy Information …
WebApr 29, 2024 · British 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 has its greatest density (approximately 39° F).
British thermal unit (BTU) | Britannica
WebJul 20, 1998 · British 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 - Energy Education
WebBritish 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 …
Heat - Wikipedia
WebAs a form of energy, heat has the unit joule (J) in the 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 calorie. …
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 · British thermal unit. 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.
What is the unit called a British thermal unit? - Sizes
Web7 rows · Aug 1, 2011 · British thermal unit. A unit of energy, 1876 – present, usually referred to as a Btu (pronounced “bee tee u”). Symbol, Btu, but see below. In the 19ᵗʰ century, sometimes called a calory .¹. Originally defined as the quantity of heat needed to raise the temperature of 1 pound avoirdupois of air-free water 1°F under a constant pressure ...
British thermal unit - Wiktionary, the free dictionary
WebEnglish Wikipedia has an article on: British thermal unit (plural British thermal units) The quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature (there are several different precise definitions) and a pressure of one atmosphere. Translations [ edit]
Definition:British Thermal Unit - ProofWiki
WebThe British thermal unit is an imperial unit of heat energy . It was originally defined as being: the amount of heat required to raise the temperature of 1 1 pound (avoirdupois) of water by 1 1 degree Fahrenheit. Conversion Factors. Symbol. Btu B t u. The symbol for the British thermal unit is Btu B t u .
British thermal unit – Wikipedia
WebDie British thermal unit ist eine Einheit der Energie. Ihr Einheitenzeichen ist Btu oder BTU, ihr Formelzeichen W. Die Btu gehört nicht zum internationalen Einheitensystem (SI), sondern zum Angloamerikanischen Maßsystem. [1] [2] Inhaltsverzeichnis. 1 Definition. 2 Anwendungen und weitere Umrechnungen. 2.1 Erdgas.
British thermal unit - Wikipedia
WebIl British thermal unit ( BTU o Btu) è un' unità di misura dell' energia, usata negli Stati Uniti e nel Regno Unito (dove è generalmente usata nei sistemi di riscaldamento). Rappresenta la quantità di calore per innalzare di 1 °F la temperatura di una libbra d'acqua, in determinate condizioni iniziali (cfr. paragrafo definizioni).
英熱量 - Wikipedia
Web英熱量 （えいねつりょう、 Btu ; British thermal unit）は、 ヤード・ポンド法 の エネルギー ・仕事・ 熱量 の 単位 である。 英国熱量単位 （えいこくねつりょうたんい）、 英式熱量単位 などともいう。 日本の 計量法 （計量単位令）では「英熱量」の名称と「 Btu 」の記号を採用し、その値を 1055.06 J としている [1] 。 主に アメリカ と イギリス で使 …
British thermal unit – Wikipedie
WebBritish thermal unit (zkráceně BTU nebo Btu; česky britská tepelná jednotka) je tradiční jednotka energie v angloamerické měrné soustavě. 1 BTU odpovídá 1 055,05585 J. Je to přibližně takové množství energie, které je potřeba pro ohřátí 1 britské libry vody z 39,2 na 40,2 °F [1] (ze 4 na 4,56 °C ). BTU se často ...
Satuan panas Britania - Wikipedia bahasa Indonesia, …
WebSatuan panas Britania ( Inggris: British thermal unit, BTU) merupakan satuan energi yang digunakan di Amerika Serikat. Satuan ini juga masih sering dijumpai di Britania Raya pada sistem pemanas dan pendingin lama. Sekarang ini satuan ini mulai digantikan dengan satuan energi dari unit SI, Joule (J).
Glossary of HVAC terms - Wikipedia
WebBritish thermal unit (BTU) Any of several units of energy (heat) in the HVAC industry, each slightly more than 1 kJ. One BTU is the energy required to raise one pound of water one degree Fahrenheit, but the many different types of BTU are based on different interpretations of this “definition”.
British thermal unit - Wikipedia, den frie encyklopædi
WebDefinition. BTU er defineret som den mængde energi, som kræves for at hæve temperaturen af et pund ferskvand én grad Fahrenheit . Omregning. En BTU svarer til ca.: 1054-1060 joule. 252–253 kalorier. 0.252–0.253 kcal (kilokalorier) Andre omregninger: Naturgas, 1 MMBtu (1 million Btu, skrives sommetider som mmBTU) = 1.054615 GJ.
British Thermal Unit - Wikipedia
WebBritish Thermal Unit, prescurtat BTU (română unitate termică britanică) este o unitate de măsură pentru căldură, egală cu cantitatea de căldură necesară pentru a crește temperatura unei cantități de o livră de apă cu un grad Fahrenheit.
Template:Convert/list of units/energy/Btu - Wikipedia
WebBritish thermal unit: Btu Btu 1.0 Btu (1.1 kJ) BTU BTU million British thermal units: MMBtu MMBtu 1.0 MMBtu (1.1 GJ) e6BTU BTU British thermal unit (IT) Btu-IT Btu IT: 1.0 Btu IT (1.1 kJ) BTU-IT BTU IT: British thermal unit (thermochemical) Btu-th Btu th: 1.0 Btu th (1.1 kJ) BTU-th BTU th: British thermal unit (ISO) Btu-ISO BTU ISO: 1.0 BTU ISO ...
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