value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it. The...
26 KB (2,644 words) - 11:07, 23 August 2024
whose combustion then supplies the heat required to produce more of them. Combustion is often hot enough that incandescent light in the form of either...
50 KB (6,239 words) - 19:47, 30 August 2024
Engine (redirect from Classification of Engines)
mechanical heat engine, in which heat from the combustion of a fuel causes rapid pressurisation of the gaseous combustion products in the combustion chamber...
42 KB (5,103 words) - 11:44, 4 August 2024
external combustion engine (EC engine) is a reciprocating heat engine where a working fluid, contained internally, is heated by combustion in an external...
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internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber...
101 KB (13,135 words) - 02:02, 3 September 2024
Calorimeter (category Pages that use a deprecated format of the chem tags)
vessel wall. A bomb calorimeter is a type of constant-volume calorimeter used in measuring the heat of combustion of a particular reaction. Bomb calorimeters...
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insulators that prevent the escape of heat causing the temperatures of the material to rise above its ignition point. Combustion will begin when a sufficient...
14 KB (1,690 words) - 11:44, 1 July 2024
enthalpy of reaction, if initial and final temperatures are equal). A related term is the heat of combustion, which is the energy mostly of the weak double...
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Heat content may refer to: Enthalpy, measure of energy in a thermodynamic system Heat of combustion, amount of heat released by combustion of a quantity...
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Combustion, a 1994 album by Canned Heat "Internal Combustion" (short story), a 1956 story by L. Sprague de Camp Internal Combustion, a 2007 nonfiction book by...
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Energy density (redirect from Energy of explosives)
of heat or for use in a heat engine, the relevant quantity is the change in standard enthalpy or the heat of combustion. There are two kinds of heat of...
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ignored. The gross energy (GE) of a food, as measured by bomb calorimetry is equal to the sum of the heats of combustion of the components – protein (GEp)...
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of water vapor from the gas phase onto the solid lowering partial pressures. In this regime of combustion, thermal heat released from the combustion byproducts...
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advantage of heat engines is that most forms of energy can be easily converted to heat by processes like exothermic reactions (such as combustion), nuclear...
28 KB (3,858 words) - 12:20, 1 September 2024
Krisnangkura, Kanit (1991). "Estimation of heat of combustion of triglycerides and fatty acid methyl esters". Journal of the American Oil Chemists' Society...
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Rocket mass heater (section Heat riser)
principle is the incorporation of a large thermal mass built of masonry which absorbs heat from exhausting combustion products directed in a sinuous path...
17 KB (1,941 words) - 10:33, 1 July 2024
external combustion and expelled with a heat exchanger. With the open cycle, air from the atmosphere is drawn in, goes through three steps of the cycle...
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Fuel efficiency (section Energy content of fuel)
the low heat values are commonly used. Neither the gross heat of combustion nor the net heat of combustion gives the theoretical amount of mechanical...
21 KB (2,747 words) - 09:06, 6 September 2024
Internal combustion engine cooling uses either air or liquid to remove the waste heat from an internal combustion engine. For small or special purpose...
29 KB (3,781 words) - 04:29, 10 June 2024
Spark plug (section Heat range)
to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure...
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production per unit of energy produced depends upon the moisture in the coal, which increases the CO2 per unit of energy – heat of combustion – and on the volatile...
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Stirling engine (redirect from Stirling heat engine)
Disadvantages of Stirling engines compared to internal combustion engines include: Stirling engine designs require heat exchangers for heat input and for heat output...
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gas has a lower heat of combustion of 5.7 MJ/kg versus 55.9 MJ/kg for natural gas and 44.1 MJ/kg for gasoline. The heat of combustion of wood is typically...
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Spontaneous human combustion (SHC) is the pseudoscientific concept of the spontaneous combustion of a living (or recently deceased) human body without...
36 KB (4,164 words) - 17:51, 28 August 2024
Explosion (section Evolution of heat)
fast combustion). In the former, slow combustion converts more of the internal energy (i.e. chemical potential) of the burning substance into heat released...
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Thermal efficiency (section Heat engines)
combustion process causes further efficiency losses. The second law of thermodynamics puts a fundamental limit on the thermal efficiency of all heat engines...
21 KB (3,299 words) - 01:37, 18 February 2024
substantially smaller than the idealized value of approximately 109°. Because of their high strain, the heat of combustion for these small rings is elevated. Ring...
16 KB (1,847 words) - 00:39, 10 June 2023
Adiabatic flame temperature (category Combustion)
is the temperature that results from a complete combustion process that occurs without any work, heat transfer or changes in kinetic or potential energy...
17 KB (1,780 words) - 11:15, 15 June 2024
Thermochemistry (redirect from History of thermochemistry)
calculations of such quantities as heat capacity, heat of combustion, heat of formation, enthalpy, entropy, and free energy. Thermochemistry is one part of the...
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loss, combustion products, heat release rate, and other parameters associated with the sample's burning properties. The measurement of the heat release...
8 KB (974 words) - 14:08, 2 July 2024