Zobrazeno 1 - 10
of 29
pro vyhledávání: '"P. O. Brunn"'
Autor:
P. O. Brunn
Publikováno v:
Rheologica Acta. 46:171-181
Three quantitative flow classification parameters have been studied in the context of Tanner and Huilgol’s suggestion of strong and weak flows. Seen in this context, the different types of streamlines possible for general 3-D flows furnish no indic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::158662e8f9363b5f3556b92271785cfb
https://doi.org/10.1007/s00397-006-0103-5
https://doi.org/10.1007/s00397-006-0103-5
Publikováno v:
Applied Rheology, Vol 7, Iss 5, Pp 204-210 (1997)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0aebc021c0787e22ba9e5fd4c4fa372
https://doaj.org/article/8d24a29da296450685214a7bb0554688
https://doaj.org/article/8d24a29da296450685214a7bb0554688
Autor:
S. Bschorer, P. O. Brunn
Publikováno v:
Chemical Engineering Communications. :271-283
The flow of a quasi Newtonian model fluid, which allows shear thinning as well as extension thickening, through a sudden planar 4:1 contraction is studied numerically. Comparing with numerical results for a purely shear thinning fluid differences sho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9c349af3c8c93f2a49a959381047366
https://doi.org/10.1080/00986449608936519
https://doi.org/10.1080/00986449608936519
Publikováno v:
The Chemical Engineering Journal and the Biochemical Engineering Journal. 59:111-119
The microbial polysaccharide xanthan was studied rheologically as well as in its behaviour in the flow through a packed bed of spheres. Correcting for shear, the remaining non-viscous increase in resistance starts at stress levels which in viscometri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5af4d634a6a951319439e5c491f9d42b
https://doi.org/10.1016/0923-0467(94)02918-0
https://doi.org/10.1016/0923-0467(94)02918-0
Autor:
B. Abu-Jdayil, P. O. Brunn
Publikováno v:
Applied Rheology, Vol 4, Iss 4, Pp 186-191 (1994)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f179c38711cc496c4bc2ee3aac29022
https://doaj.org/article/c11ab4176410403485e339be7629ff21
https://doaj.org/article/c11ab4176410403485e339be7629ff21
Autor:
P. O. Brunn, R. Krüßmann
Publikováno v:
Chemical Engineering & Technology. 25:259-261
The flow of fluids through porous media can be used as a viscometer. In this study, we investigate if typical rheometric experiments to measure the elasticity of a fluid can also be done in porous media flow. In this paper, the main focus lies on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::214a0d66d1c79f7f243792334b068b7a
https://doi.org/10.1002/1521-4125(200203)25:3<259::aid-ceat259>3.0.co
https://doi.org/10.1002/1521-4125(200203)25:3<259::aid-ceat259>3.0.co
Publikováno v:
Applied Rheology, Vol 3, Iss 1, Pp 20-27 (1993)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51fc1b0196d74993f0d05160c903cd69
https://doi.org/10.2478/arh-1993-030108
https://doi.org/10.2478/arh-1993-030108
Autor:
J. Vorwerk, P. O. Brunn
Publikováno v:
Rheologica Acta. 32:380-397
Considering a number of model fluids, the relation between the (measurable) apparent viscosity ηa and the (true) shear viscosity η is studied for some commonly used viscometers, like capillary, slit, plate-plate and concentric cylinders (including
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e77c6c69be47f3c48e41f0bf0cd11bd7
https://doi.org/10.1007/bf00435084
https://doi.org/10.1007/bf00435084
Autor:
W. F. Schierholz, P. O. Brunn
Publikováno v:
Continuum Mechanics and Thermodynamics. 4:137-150
The problem of a dilute polymer solution in equilibrium close to a wall, an edge, and a corner, respectively, is studied theoretically. Detailed knowledge of the rheology in these regions is needed in order to obtain the proper boundary conditions fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d23b32485e6701a4e24168bd2374e7ee
https://doi.org/10.1007/bf01125695
https://doi.org/10.1007/bf01125695
Publikováno v:
Rheologica Acta. 30:124-130
Turbulent tube flow and the flow through a porous medium of aqueous hydroxypropylguar (HPG) solutions in concentrations from 100 wppm to 5000 wppm is investigated. Taking the rheological flow curves into account reveals that the effectiveness β in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ebf08d3fe90481e43b7ae443f172d51
https://doi.org/10.1007/bf01134601
https://doi.org/10.1007/bf01134601