?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F596%2F&rft.title=Stiffening+while+drying&rft.creator=van+Beckum%2C+F&rft.creator=Bouwe+van+den+Berg%2C+J&rft.creator=Boettche%2C+S&rft.subject=None%2FOther&rft.subject=Medical+and+pharmaceutical&rft.subject=Fluids&rft.description=We+present+two+models+for+the+drying+of+waterborne+paints%2C+which+consist+of+non-volatile+latex+particles+suspended+in+water.+One+model+considers+the+water+and+latex+density+in+a+layer+as+a+function+of+time.+Water+evaporation+at+the+surface+represents+the+drying.+This+model+results+in+a+one-dimensional+free+boundary+problem%2C+which+is+solved+numerically.+Extensions+to+the+model+are+given+that+describe+the+stiffening+of+the+paint.+A+second+model+is+a+particle+based+dynamical+simulation+where+latex+particles+form+a+network+through+which+water+particles+move.+A+thin+slab+of+the+suspension+in+a+three-dimensional+box+is+studied.+Water+particles+escaping+the+slab+at+the+surface+represent+the+drying%2C+progressing+network+formation+the+stiffening+of+the+paint.+Both+models+allow+for+validation+with+material+properties+as+determined+experimentally+on+real+coatings.&rft.date=2009&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F596%2F1%2FWag5.pdf&rft.identifier=++van+Beckum%2C+F+and+Bouwe+van+den+Berg%2C+J+and+Boettche%2C+S++(2009)+Stiffening+while+drying.++%5BStudy+Group+Report%5D+++++