CCPS Process Safety Glossary
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The number of occurrences of an event per unit of time. |
The number of occurrences per unit time at which observed events occur or... Read More... |
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The fundamental scaling velocity, equal to the square root of the surface... Read More... |
When water is present or enters a tank containing hot viscous oil, the... Read More... |
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Gaseous fuels consisting of natural gas and various manufactured or by-... Read More... |
Emissions of material from process equipment due to leakage. |
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A deflagration explosion developed from a flammable cloud of gas, aerosol,... Read More... |
Field experiments of flow and dispersion around full sized obstacles (e.g... Read More... |
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Flow in a long, constant area pipe in which the mean velocity profiles are... Read More... |
Failures from a system that works as designed but are inadequate for the... Read More... |
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A phase in the development of computerized systems which produces detailed... Read More... |
A device that is electrically and optically workable, used to demonstrate... Read More... |
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A phase in the development of computerized systems in which all inputs to... Read More... |
The burning velocity is the rate of flame propagation relative to unburned... Read More... |
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Gram: a metric unit of weight. One U.S. ounce is about 28.4 grams. |
Grams per kilogram; an expression of dose used in oral dermal toxicology... Read More... |
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US Liquid Measure equal to 3.785 ¥ 10-3 m3. |
A detonation that periodically fails and reinitiates during propagation.... Read More... |
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The state of matter characterized by complete molecular mobility and... Read More... |
The addition of another flammable gas to a gas–air mixture to raise the... Read More... |
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A dispersion model based on the concept that atmospheric diffusion is a... Read More... |
A class of transport and dispersion model which assumes that the... Read More... |
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A system for exhausting air containing contaminants from a general work area... Read More... |
Data which is typical for a system. Such data will not have been collected... Read More... |
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Relating to the engineering field which combines geology and engineering. (... Read More... |
See “Surface Streamer.” |
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A computer program technique the purpose of which is to prevent catastrophic... Read More... |
The eddy diffusivity coefficient K is used to solve the mass conservation... Read More... |
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Totally new facility that may be built upon a greenfield or brownfield site... |
Downward velocity of particles due to gravity (about 10 cm/s for an aerosol... Read More... |
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The decrease in cloud height of a flowing dense gas due to the effects of... Read More... |
Undeveloped property that is being considered as a site for construction. (... Read More... |
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Type of pipe connection that might result in electrical isolation by gasket... Read More... |
Commercially available device which automatically senses the presence of... Read More... |
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Source emissions from near ground level. |
Grounding is a conducting connection between a piece of equipment or... Read More... |