About: Edge Effects in Rotational Viscometry. I. Cylinder - Cylinder (Couette) System, Newtonian Media     Goto   Sponge   NotDistinct   Permalink

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  • Exact calibration factors for a series of commercially available rotational viscometers are determined by solving the related elliptic boundary-value problem for the rotational flow of Newtonian media under zero Reynolds number (creeping flow approximation). In particular, the edge-effect correction for the Z40 DIN sensor (coaxial cylinders) should be 1.085 instead of incorrect 1.100, given in the related international standard ISO 3219 (Coaxial cylinders for liquids of medium viscosity). The edge-effect correction was determined also for a new KK sensor (coaxial Morse cones) in dependence of the adjustable gap thickness.
  • Exact calibration factors for a series of commercially available rotational viscometers are determined by solving the related elliptic boundary-value problem for the rotational flow of Newtonian media under zero Reynolds number (creeping flow approximation). In particular, the edge-effect correction for the Z40 DIN sensor (coaxial cylinders) should be 1.085 instead of incorrect 1.100, given in the related international standard ISO 3219 (Coaxial cylinders for liquids of medium viscosity). The edge-effect correction was determined also for a new KK sensor (coaxial Morse cones) in dependence of the adjustable gap thickness. (en)
  • Přesné kalibrační konstanty u řady komerčně vyráběných viskozimetrů jsou stanoveny řešením odpovídajících okrajových úloh pro rotační tok newtonských kapalin s Reynoldsovým číslem nižším než nula (aproximace toku). Korekce na hranové efekty pro sensor Z40 DIN (koaxiální válce) by však místo nesprávné hodnoty 1.000 (uvedené v normě ISO 3219 (koaxiální válce pro kapaliny se střední viskozitou) měla být 1.085. Korekce hranových efektů byla určena také pro nový KK senzor (koaxiální Morse kužel). (cs)
Title
  • Edge Effects in Rotational Viscometry. I. Cylinder - Cylinder (Couette) System, Newtonian Media
  • Hranové efekty v rotační viskozimetrii. I. Systém válec-válec (Couette), newtonské kapaliny (cs)
  • Edge Effects in Rotational Viscometry. I. Cylinder - Cylinder (Couette) System, Newtonian Media (en)
skos:prefLabel
  • Edge Effects in Rotational Viscometry. I. Cylinder - Cylinder (Couette) System, Newtonian Media
  • Hranové efekty v rotační viskozimetrii. I. Systém válec-válec (Couette), newtonské kapaliny (cs)
  • Edge Effects in Rotational Viscometry. I. Cylinder - Cylinder (Couette) System, Newtonian Media (en)
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  • RIV/67985858:_____/04:00104753!RIV/2005/GA0/A27005/N
http://linked.open...avai/riv/aktivita
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  • P(GA104/01/0545), Z(AV0Z4072921)
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  • RIV/67985858:_____/04:00104753
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  • rotational viscometry;newtonian media;edge correction (en)
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  • [D6D006039BAB]
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  • Wein, Ondřej
  • Večeř, Marek
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  • Neuveden
http://linked.open...n/vavai/riv/zamer
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