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Erschienen in:
1991 | OriginalPaper | Buchkapitel
Treatment of variable physical properties by dimensional analysis
verfasst von : Professor Dr.-Ing. Marko Zlokarnik
Erschienen in: Dimensional Analysis and Scale-up in Chemical Engineering
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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When using dimensional analysis to tackle engineering problems, it is generally assumed that the physical properties of the material system remain unaltered in the course of the process. Relationships such as the heat transfer characteristics of a technical device (e.g., vessel, pipe): Nu = f (Re, Pr), see example B1, are valid for any material system with Newtonian viscosity and for any constant process temperature, i.e. for constant physical properties.