The Minimum Ignition Temperature is the minimum temperature for which a hot surface will ignite a dust cloud [Laurent]. The process of burning. Spontaneous combustion of coal stockpiles can occur when the environment temperature exceeds the critical self-ignition temperature (CSIT), which strongly depends on the pile volume. To understand the difference between ignition temperature and fire point, we must first understand the definition of the two (2) parameters. I read through various websites and there are both kinds of definitions put up! In other words, the ignition temperature is the lowest temperature at which a volatile material will be vaporised into a gas which ignites without the help of any external flame or ignition source. The weight loss curve is used to define the ignition temperature. Experimental … The key difference between flash point and auto ignition temperature is that flash point determines the lowest temperature at which vapour of a material starts ignition in the presence of an ignition source whereas auto ignition temperature is the lowest temperature at which a material can start ignition spontaneously.. Enrich your vocabulary with the English Definition … Ignition Temperature Petrol 247–280 °C (477–536 °F) Diesel 210 °C (410 °F) Phosphorus,white 34 °C (93 °F) Ethanol 365 °C (689 °F) Iron 1,315 °C (2,399 °F) Paper 218–246 °C (424–475 °F) Lead 850 °C (1,560 °F) Leather 200–212 °C (392–414 °F) Hydrogen ignition temperature definition in English dictionary, ignition temperature meaning, synonyms, see also 'ignition coil',ignition key',electronic ignition',ignitron'. Rags soaked with linseed oil are notorious for spontaneously (auto)igniting. Définitions de Auto-ignition_temperature, synonymes, antonymes, dérivés de Auto-ignition_temperature, dictionnaire analogique de Auto-ignition_temperature (anglais) Ils ne sont ni sélectionnés ni validés par nous et peuvent contenir des mots However, it does not clarify whether it is on its own or due to an external source. Most people chose this as the best definition of ignition-temperature: The lowest temperature at... See the dictionary meaning, pronunciation, and sentence examples. chər] (chemistry) The lowest temperature at which combustion begins and continues in a substance when it is heated in air. The flash point is a descriptive characteristic that is used to distinguish between flammable fuels, such as gasoline (also known as petrol), and combustible fuels, such as diesel.. So wanted to know what the proper definition of ignition temperature is and how it differs from flash point. Information and translations of ignition temperature in the most comprehensive dictionary definitions resource on the web. Definition of ignition temperature in the Definitions.net dictionary. The coldest theoretical temperature is called absolute zero.It is the temperature where the thermal motion of particles is at its minimum (not the same as motionless). As the name implies (autogenous), at this temperature, ignition source is not required to ignite; it is an auto process. (Redirected from ignition temperature). \ (Chimie) Point d’auto-inflammation, point d’auto-ignition, point d’allumage spontané. where T ib is the temperature at the commencement of the steepest slope in the DTA or DSC thermogram. As this temperature is varying with the layer height, it is necessary to precise it : 5 mm is a quite general value. n. 1. La température est une grandeur physique mesurée à l’aide d’un thermomètre et étudiée en thermométrie.Dans la vie courante, elle est reliée aux sensations de froid et de chaud, provenant du transfert thermique entre le corps humain et son environnement. Fuels. Point d'inflammation: température où la quantité de vapeurs émises par le solvant est suffisante pour que la combustion continue même si l'on retire la source de chaleur à l'origine de l'inflammation. The minimum temperature required to self ignite a dust layer is called self ignition temperature SIT or smouldering temperature. autoignition temperature: The minimum temperature needed for self-sustained combustion in absence of a spark or flame, at which the vapours from a volatile liquid will ignite spontaneously. Forums pour discuter de ignition temperature, voir ses formes composées, des exemples et poser vos questions. The temperature of two systems is the same when the systems are in thermal equilibrium. 2. Definition of MIT What is the MIT of a dust ? Vérifiez la prononciation, les synonymes et la grammaire. Abbreviation: T See more. 3rd Meeting WG on safety aspects of the use of R1234yf on MAC systems - Ispra, 24 January 2014. What does ignition temperature mean? If a dust cloud enters in contact with a hot surface, it may auto-ignite and explode. ignition temperature n noun: Refers to person, place, thing, quality, etc. Contenu potentiellement inapproprié . Ignition temperature synonyms, Ignition temperature pronunciation, Ignition temperature translation, English dictionary definition of Ignition temperature. According to the U.S. Department of Agriculture, studies on wood ignition conclude that there is not a fixed temperature for ignition, and the moment of ignition largely depends on the amount of exposure time, the density of the wood and the … traduction The ignition temperature dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'ignition key',ignition key',ignite',imagination', conjugaison, expressions idiomatiques Les exemples vous aident à traduire le mot ou l’expression cherchés dans des contextes variés. Synonymes [modifier le wikicode] kindling point; Voir aussi [modifier le wikicode] autoignition temperature sur l’encyclopédie Wikipédia (en anglais) Parcourez les exemples d'utilisation de 'température d'auto-ignition' dans le … Temperature definition, a measure of the warmth or coldness of an object or substance with reference to some standard value. 3. The autoignition temperature or kindling point of a substance is the lowest temperature at which it will spontaneously ignite in a normal atmosphere without an external source of ignition, such as a flame or spark. Ignition temperature definition is - the lowest temperature at which a combustible substance when heated (as in a bath of molten metal) takes fire in air and continues to burn —called also autogenous ignition temperature. Some also mentioned a flash point. When a powder deposit covers a source of heat, it can lead to self ignition of the dust layer which starts to smoulder. Meaning of ignition temperature. ignition temperature translation in English - French Reverso dictionary, see also 'ignition key',ignition key',ignite',imagination', examples, definition, conjugation The standards writers had to come up with a clear definition for ignition, and as you note, they did: "the appearance of a flame accompanied by a sharp rise in the temperature of the gas mixture." Apprendre la définition de 'température d'auto-ignition'. Gratuit. A chemical change, especially oxidation, accompanied by the production of heat and light. Definition from Wiktionary, the free dictionary. Definition of SIT. As a result, the ignition temperature is of course higher than the flash point. (minimum combustion temperature) température d'ignition nf nom féminin : s'utilise avec les articles "la", "l'" (devant une voyelle ou un h muet), "une" . Ignition temperature is valid for the specific test conditions (leak rate, deformations, damages, ambient temperature etc.) Jump to navigation Jump to search Also known as autogenous ignition temperature; ignition point. La valeur proposée dans la définition de la température d'auto-inflammation; et. They even say that ignition is a subjective term, so they are careful to define it clearly. The autoignition temperature of a substance is the temperature at or above which a material will spontaneously ignite (catch fire) without an external spark or flame.. Additional Info. What is ignition temperature: Ignition temperature is also called autogenous ignition temperature or kindling point. Déverrouiller. Point d'auto ignition: température où le liquide s'enflamme spontanément sans … autoignition temperature \ Prononciation ? pyrolysis is a definition,4 not a theory or a misunderstood process. ignition temperature - traduction anglais-français. Temperature > 800 °C: Not evaluated! It is a comparative measure of how hot or cold a material is. This video explains what combustion is, which combustible and which are non-combustible materials and how things burn. For a wood ignition time of less than one minute, the wood must be heated to a temperature of 430 degrees Celsius or 806 degrees Fahrenheit. Definition. 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