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Wyszukujesz frazę "UEL" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Explosion Hazard Evaluation and Determination of the Explosion Parameters for Selected Hydrocarbons C6-C8
Autorzy:
Flasińska, P.
Frączak, M.
Piotrowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/358393.pdf
Data publikacji:
2012
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
explosion limits
lower explosion limit
LEL
upper explosion limit
UEL
maximum explosion pressure
pmax
maximum rate pressure rise
(dp/dt)max
Opis:
Fire and explosion prevention plays an important role in the running of chemical processes, especially where flammable gases or liquids are present, which may form explosive atmospheres of gas/vapours in air. These include organic solvents such as the hydrocarbons C6 - C8. It is necessary to know the properties of these substances and the volume of an explosive atmosphere. Determination of these can identify and assess the risk of explosion, and zones in areas where there are or may occur explosive atmospheres. Information on explosion limits are also important in safety data sheets. In this study a research methodology is compared with previous studies and signals guidelines for explosion protection and prevention of explosions. The aim of this work was to determine the experimental explosion characteristics like LEL, UEL, pmax and (dp/dt)max for selected hydrocarbons. The investigations were carried out in accordance with EN 1839 by method b and EN 15967. The studies were conducted in a closed, spherical, acid-proof vessel of 20 dm3 internal volume
Źródło:
Central European Journal of Energetic Materials; 2012, 9, 4; 399-409
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inertization Effects on the Explosion Parameters of Different Mix Ratios of Ethanol and Toluene – Experimental Studies
Autorzy:
Flasińska, P.
Powiązania:
https://bibliotekanauki.pl/articles/92743.pdf
Data publikacji:
2016
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
explosion limits
lower explosion limit (LEL)
upper explosion limit (UEL)
limiting oxygen concentration (LOC)
limiting air concentration (LAC)
Opis:
Each flammable substance has a range in which it can be explosively ignited when mixed with air at given temperatures and pressures. For fire or explosion to occur the appropriate amounts of oxidant and flammable substance are necessary at a concentration at least equal to its lower explosive limit. High potential toxicity and flammability of mixtures used in industry can lead to serious harm to people and the environment. Therefore, preventing accidents which can result in fire and/or explosion, is an important factor in the design of chemical processes. For this purpose, a process called inertization can be applied. In this paper the explosion characteristics of mixtures of two solvents: ethanol-toluene is discussed. Explosion parameters were experimentally determined using a closed vessel of 20 l at 120 °C and ambient pressure. Results are shown graphically as ternary diagrams with the explosion hazard areas highlighted. Results show importance of inertization in process safety.
Źródło:
Materiały Wysokoenergetyczne; 2016, T. 8; 111-117
2083-0165
Pojawia się w:
Materiały Wysokoenergetyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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