TITLE

A new approach for the limit to tree height using a liquid nanolayer model

AUTHOR(S)
Gouin, Henri
PUB. DATE
October 2008
SOURCE
Continuum Mechanics & Thermodynamics;Oct2008, Vol. 20 Issue 5, p317
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Liquids in contact with solids are submitted to intermolecular forces inferring density gradients at the walls. The van der Waals forces make liquid heterogeneous, the stress tensor is not any more spherical as in homogeneous bulks and it is possible to obtain stable thin liquid films wetting vertical walls up to altitudes that incompressible fluid models are not forecasting. Application to micro tubes of xylem enables to understand why the ascent of sap is possible for very high trees like sequoias or giant eucalyptus.
ACCESSION #
34723126

 

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