# Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery, Division 2.2.2.3: Dilution air

Extent: E+W+S+N.I.

k w,d = (1 – k w3) · 1,008
(7-31)
with
k w3 = 1,608 × H d 1000 + 1,608 × H d
(7-32)
where:
H d dilution air humidity [g H2O/kg dry air]

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/VII/division/2/division/2.2/division/2.2.2/division/2.2.2.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-2/division-2.2/division-2.2.2/division-2.2.2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.