ISO 80000-11:2019

Quantities and units - Part 11: Characteristic numbers

ISO 80000-11:2019 gives names, symbols and definitions for characteristic numbers used in the description of transport and transfer phenomena.

Grandeurs et unités - Partie 11: Nombres caractéristiques

Le présent document donne noms, les symboles et les définitions des nombres caractéristiques utilisés dans la description des phénomènes de transfert.

General Information

• Status: Published
• Publication Date: 21-Oct-2019
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 01.060 - Quantities and units
• ICS: 17.020 - Metrology and measurement in general
• Technical Committee: TC 25 - Quantities and units
• Current Stage: PPUB - Publication issued
• Start Date: 03-Jan-2020
• Completion Date: 05-Nov-2019

Relations

• Revises: ISO 80000-11:2008 - Quantities and units - Part 11: Characteristic numbers
• Effective Date: 05-Sep-2023

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 80000-11
Second edition
2019-10
Quantities and units —
Part 11:
Characteristic numbers
Grandeurs et unités —
Partie 11: Nombres caractéristiques
Reference number
ISO 80000-11:2019(E)
©
ISO 2019

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ISO 80000-11:2019(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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ii © ISO 2019 – All rights reserved

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ISO 80000-11:2019(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Momentum transfer . 1
5 Transfer of heat .16
6 Transfer of matter in a binary mixture .24
7 Constants of matter.33
8 Magnetohydrodynamics.37
9 Miscellaneous .46
Bibliography .48
Alphabetical index .49
© ISO 2019 – All rights reserved iii

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ISO 80000-11:2019(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance
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