The quantity of heat required to raise one pound of water. 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. British thermal unit definition of british thermal unit by. Information and translations of british thermal unit in the most comprehensive dictionary definitions resource on the web. Enter the value you want to convert british thermal unit. Fluid catalytic cracking fcc is one of the most important conversion processes used in petroleum refineries. Looking for the abbreviation of million british thermal unit. The list of acronyms and abbreviations related to btuh british thermal unit per hour. A single btu is the amount of energy required to increase the temperature of one pound avoirdupoisof water by one degree fahrenheit f. One btu is equivalent to 1,054 joules or 252 calories.
A cracker is a thin, crisp biscuit which is often eaten with cheese. Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content. The position so far as we have been able to ascertain it is set out below. What is british thermal unit definition and meaning. Btu, unit for measuring heat quantity in the customary system of english units of measurement english units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the united states. It is widely used to convert the highboiling, highmolecular weight hydrocarbon fractions of petroleum crude oils into more valuable gasoline, olefinic gases, and other products. Wikipedia definition the british thermal unit btu or btu is a nonsi, traditional unit of heat. British thermal unit the energy needed to raise the temperature of one pound of water one degree fahrenheit.
You are currently converting energy units from british thermal unit to million tonnes of oil equivalent 1 btu 2. What is the abbreviation for million british thermal unit. The definition was changed because it was dependent on the initial temperature of the water. Originally defined as the quantity of heat needed to raise the temperature of 1. British thermal units synonyms, british thermal units. A unit of energy, 1876 present, usually referred to as a btu pronounced bee tee u. Try searching british thermal unit across the entire website. Sources said that ecc is likely to approve the ministry of petroleum summary regarding british thermal unit btu policy 2011 under which likely to allow tenyear taxexemption to low british thermal unit so that supply for power generation can be increased. Convert from btu it per hour into other major units of power. Convert british thermal unit to therm europe conversion. British thermal unit synonyms, british thermal unit.
British thermal unit financial definition of british. Convert calorie to british thermal unit conversion of. British thermal unit is a standard energy unit which ranges from 1. Convert british thermal units to therms energy converter. Fuel value the price where 1 btu british thermal unit, a measure of heating value of a. Is a higher btu equivalent to a higher power cooling unit or is it reversed so a lower btu is equivalent to a higher power cooling unit. Commonly referred to as btu, this unit is used to measure energy. It is the quantity of heat required to raise the temperature of one pound of liquid water by 1 degree fahrenheit at the temperature that water has its greatest density approximately 39 degrees fahrenheit. A british thermal unit is a unit of energy in the imperial system. Ihr einheitenzeichen ist btu oder btu, ihr formelzeichen w.
It is approximately the amount of energy needed to heat 1 pound 0. The webs largest and most authoritative acronyms and abbreviations resource. The quantity of heat required to raise one pound of water about. The platts industry glossary provides definitions for common industry terms in the oil, power. British thermal unit want to thank tfd for its existence. When used in relation to air conditioning systems or heaters, the measurement is expressed in terms. Ch50 unit the amount of complement that will lyse 50 per cent of a standard preparation of sheep red blood cells coated with antisheep erythrocyte antibody.
Ideally, 1 btu is equal to 1055 joules, which means that 1055 joules are needed in order to cool off or. A british thermal unit btu is a standard measure of thermal energy. British thermal unit article about british thermal unit. Online btu calculator that allows you to estimate the total amount of heat produced in a room. British thermal unit definition and meaning collins. It is used in the united kingdom, the united states, and a few other countries to measure the energy used by appliances like heaters and air conditioners. The oxford dictionary of abbreviations fran alexander, peter blair, john. A gasoline blending component made in a cat cracker. I ask students to write both the definition of a calorie and the definition of a btu in their engineering notebooks. Cracker definition and meaning collins english dictionary.
Definition of british thermal unit in the dictionary. This term has the same meaning as aggregation pool. British thermal unit meaning, term, and glossary definition what is british thermal unit. A british thermal unit is measured as the quantity of heat required to raise the temperature of 1 pound of water by 1f. Convert from btu it into other major units of energy convert from btu it per hour into other major units of power a unit of energy, 1876 present, usually referred to as a btu pronounced bee tee u. A gas cracker is any device that splits the molecules in a gas or liquid, usually by electrolysis, into atoms. Convert british thermal units to million tonnes of oil. Crackers make a loud noise when they are pulled apart and usually contain a small toy and a paper hat. Its counterpart in the metric system is the calorie, which is defined as the amount of heat.
Abbreviation for british thermal unit, the amount of energy needed to raise the temperature of one. It was defined formerly as the amount of heat required to raise the temperature of one pound of water 1 f. Convert from btu it into other major units of energy. British thermal units synonyms, british thermal units pronunciation, british thermal units translation, english dictionary definition of british thermal units. So to summarize, the term british thermal unit starts to appear in books from around 1897.
In nature, molecules are split often, such as in food digestion and microbial digestion activity. The most popular abbreviation for british thermal unit is. The quantity of heat required to raise the temperature of 1 pound of liquid water by 1 degree fahrenheit at the temperature at which water has its greatest density approximately 39 degrees fahrenheit. Synonyms for british thermal units in free thesaurus. A british thermal unit btu is a standard unit of energy that is used in the united states and sometimes in the u. British thermal units definition of british thermal. British thermal unit definition is the quantity of heat required to raise the temperature of one pound of water one degree fahrenheit at a specified temperature. Eighth grade lesson measuring the british thermal unit. To gain an impression of the size of a btu, the combustion of a barrel of oil yields about 5. Understanding the us petrochemical feedstock advantage. The british thermal unit btu or btu is a nonmetric unit of energy, used in the united states and, to a lesser extent, the uk where it isgenerally only used for heating systems. What is british thermal unit definition and meaning math. Cracker definition in the cambridge english dictionary.
Britishthermalunit international steam table definition notes. British thermal unit definition, the amount of heat required to raise the temperature of 1 pound 0. The acronym stands for british thermal unit, which is the unit used to measure thermal heat energy. One btu is the amount of energy necessary to raise the temperature of 1 pound of water by 1 degree fahrenheit. Btu british thermal unit calculator estimate amount of. It is also part of the united states customary units. An airconditioning system that is rated at 24,000 btuh has the capacity to remove 24,000 btu of heat energy from the structure every hour. Cracking of petroleum hydrocarbons was originally done by thermal cracking, which has been almost. British thermal unit definition and meaning collins english. British thermal unit definition of british thermal unit. British thermal unit definition of british thermal unit at. It represents the amount of thermal energy necessary to raise the temperature of one pound of pure liquid water by one degree fahrenheit at the temperature at which water has its greatest density 39 degrees fahrenheit. 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. British thermal unit article about british thermal unit by.
British thermal unit btu a unit of heat formerly widely used, being the amount necessary to raise the temperature of 1 pound of water from 39 to 40f. The quantity of heat required to raise the temperature of one pound of water from 60 to 61f at a constant pressure of one. The british thermal unit btu or btu is a nonsi, traditional unit of heat. A certain amount of interest appears to have arisen of late as to the history and definition of the british thermal unit. To switch the unit simply find the one you want on the page and click it. Easily convert british thermal units to therms, convert btu to thm. British thermal units definition of british thermal units. Mean british thermal unit article about mean british. British thermal unit btu a unit of measure of heat,used in rating the capacity of air conditioning and heating equipment. The heating by hot water walter jones book first edition of 1894 does not mention btus, but by the 3rd edition published in 1904 it refers to the standard unit of heat as the british thermal unit.
The british thermal unit btu or btu is a nonmetric unit of energy, used in the united states and, to a lesser extent, the uk where it. Ideally, 1 btu is equal to 1055 joules, which means that 1055 joules are needed in order to cool off or heat 1 pound of water by 1fahrenheit. Abbreviation for british thermal unit, the amount of energy needed to raise the temperature of one pound of water by one degree fahrenheit. The btu is a nonmetric unit of energy utilized mostly in the united states and sometimes in the united kingdom. A british thermal unit btu is a measure of the heat content of fuels or energy sources. The quantity of heat required to raise the temperature of one pound of water from 60 to. British thermal unit international steam table definition notes. Find out what is the most common shorthand of million british thermal unit on. A gas cracker device splits the molecule at a rate much greater than that normally found in nature. British thermal unit financial definition of british thermal unit. In the metric system, the equivalent of the british thermal unit is the joule. Synonyms for british thermal unit in free thesaurus. British thermal unit is a unit of heat equal to the amount of heat required to raise one pound of water one degree fahrenheit at one atmosphere pressure.
British thermal unit synonyms, british thermal unit antonyms. Amount of heat required to raise the temperature of one pound of water at or near 39. British thermal unit btu indicates how much heat is contained in a substance. I see there already is disambig on the british thermal unit page. The british thermal unit symbol btu or sometimes btu is a traditional unit of energy equal to about 1,055 joules. You are currently converting energy units from british thermal unit to therm 1 btu 0. New cracker economics when the price of ethylenepolyethylene is high. This is a conversion chart for british thermal unit british and american. British thermal unit definition of british thermal. Britishthermalunit group the units and constants handbook. British thermal unit unit of measurement britannica. Unit of heat energy equal to the amount of heat required to raise the temperature of one pound of water by one degree fahrenheit at sea level.
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