Examples of using Explosion limits in English and their translations into German
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Lower and upper explosion limits.
Explosion limits of selected gases and vapors.
Influence of pressure and temperature on the explosion limits.
Explosion limits change under conditions other than atmospheric.
Concentration of the flammable substances in air within their combined explosion limits;
Explosion limits, however, are dependent on pressure, temperature and oxygen concentration.
Under certain operating and ambient conditions, it is possible to remain outside these explosion limits.
In practice, explosion limits are not as useful for dusts as for gases and vapours.
In closed containers and plant, it is usually fairly easy to keep theconcentration of gases and vapours of flammable liquids outside the explosion limits.
Information about the precise flash points and explosion limits of a material is described in the appropriate safety data sheet.
If the necessary degree of dispersion is attained andif the concentration of the flammable substances in air lies within their explosion limits, an explosive atmosphere is present.
The range of concentrations between the explosion limits widens, e.g. generally as the pressure and temperature of the mixture increase.
An explosion occurs if a fuel ispresent in mixture with air(i.e. sufficient oxygen) within the explosion limits, together with a source of ignition see Figure 1.2.
This describes the explosion limits of individual materials: Each flammable material has a particular range as mixture with oxygen in which there can be an explosion. .
The properties given for the 20 pure compounds are: critical data, normal boiling point, triple point, refractive index,toxicity information, explosion limits in air, flash point, ignition temperature, and the temperature dependent properties: specific volume, isobaric heat capacity, thermal conductivity, viscosity and surface tension of the saturated liquid, specific volume of the saturated vapour, isobaric heat capacity of the ideal gas, vapour pressure and heat of vaporization.
Lower and upper explosion limit.
Lower explosion limit(LEL) must be adhered to.
Measuring range: 0… 100% LEL lower explosion limit.
Lower explosion limit according to DIN EN 1839 at three temperatures.
The mixture only reacts in an explosive manner when ignited in the range between the upper and lower explosion limit.
The refrigerant 1234yf is not as easy to ignite as propane or petrol vapours. However,due to its low lower explosion limit, it must be labelled as highly flammable.
No LEL(lower explosion limit) or UEL(upper explosion limit), not combustible and therefore no self-ignition and no risk of explosion. .