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An invariant of the age of air: proof and applications.

Mantegna M, 1993
ageing | air flow | mathematical modelling
Bibliographic info: Air Infiltration Review, Vol 14, No 2, March 1993, pp 14-18, 3 figs, 1 tab, 9 refs. #DATE 00:03:1993 in English
Languages: English

After a short introduction of the "age of air" concept in ventilation, a theorem of conservation for the age of air at the outlet is presented. Restrictions to validity and two applications (to measurements and numerical simulation) are described. A rigorous analytic proof is shown based on field theory.


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