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Non-Dimensional Quantity (Y)

Non-Dimensional Quantity (Y)

Non-Dimensional Quantity (Y) is a non-dimensional quantity reflecting the change in the current flowing in an ionization chamber as a known function of the concentration of particulates in the smoke or aerosol.

NOTE: The equation for y is given in Appendix C.


In preparing this definition, we have drawn from various sources including Legislation, Codes, Standards and industry information, research and knowledge.  Like the english language, these definitions may subtly change from time to time. As such these definitions are provided solely on the basis that users will be responsible for making their own assessment of the definition and and are advised to verify all relevant representations, statements and information.