1994
DOI: 10.1103/physreve.50.1274
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Viscoelasticity of concentrated dispersions

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Cited by 28 publications
(20 citation statements)
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“…The asymptotic expression of the complex shear viscosity is [5,10] where ~r(0, r and Vr(oo, r are given by eqs. (5) and (1), respectively.…”
Section: -Results and Discussionmentioning
confidence: 99%
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“…The asymptotic expression of the complex shear viscosity is [5,10] where ~r(0, r and Vr(oo, r are given by eqs. (5) and (1), respectively.…”
Section: -Results and Discussionmentioning
confidence: 99%
“…(5) and (1), respectively. (7) can be expressed in the form of [10]: z = ~o/G~, where G| is the instantaneous (high-frequency) shear modulus and is close to a constant for r < r In addition, v(r is found to be linearly proportional to the Peclet time, a2/D, where D = kT/6rc~72a is the Stokes-Einstein diffusion coefficient [5]. (7) can be expressed in the form of [10]: z = ~o/G~, where G| is the instantaneous (high-frequency) shear modulus and is close to a constant for r < r In addition, v(r is found to be linearly proportional to the Peclet time, a2/D, where D = kT/6rc~72a is the Stokes-Einstein diffusion coefficient [5].…”
Section: -Results and Discussionmentioning
confidence: 99%
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“…The hydrodynamic concentration j was estimated from the colloid viscosity by the formula of Pshenichnikov and Gilev [11], who adapted the viscosity theory for suspensions of rigid spheres [12,13] to real magnetic fluids.…”
Section: Magnetic and Rheological Propertiesmentioning
confidence: 99%
“…Плотность жидкости измерялась пикнометром при комнатной температуре и составила ρ = 1.30 г/см 3 .Объёмная доля твёрдой фазы была равна  = 0.12 и оценивалась по формуле  = (ρ -ρb)/(ρm -ρb)[8], где ρb = 0.78 г/см 3 -плотность керосина при комнатной температуре, ρm = 5.2 г/см 3 -плотность магнетита. Вязкость жидкости η = 2⋅10 -3 Па⋅c оценивалась по формуле Чоу[16] 4.67, P = 0.605 -коэффициент упаковки частиц, при котором жидкость теряет текучесть, η0 = 1.5⋅10 -3 Па⋅c -вязкость керосина при комнатной температуре. Диапазон рабочих частот определялся из условия B  1магнитных моментов, соответствующее преобладающей в растворе фракции коллоидных частиц с гидродинамическим диаметром d = 15 нм[6].…”
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