Shear rate
The effect of shear rate on apparent viscosity for different pulp suspensions
... The goal of this work was to study the relationship between chemical pulps suspensions rheology and the operating variables of beating for three different paper fibres, namely Pinus sylvestris, Eucalyptus globulus and ...
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The Effect of Mixing Energy and Shear Rate on the Thickening Time of Cement Slurry
... Using conventional pressurized consistometer, fitted with a variable speed motor, a comparative thickening time test was obtained. This device allows for simulation of shear rate, temperature and pressure ...
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Numerical Prediction ofVelocity, Pressure and Shear Rate Distributions in Stenosed Channels
... In lhe presenl work, velocity, pressnre and shear rale pro files in slenosed channels \Vere analyzed in order lo undersland the blood flow when this pathology appears. 3 it is po[r] ...
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Matéria (Rio J.) vol.20 número1
... Vinyl ester resins are widely used in sandwich composite structures. Because of their good resistance to chemicals, flexibility and easy processing, these sandwich are extensively applied in the marine sector. These ...
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Braz. J. Chem. Eng. vol.28 número3
... The rheological parameters obtained for all the formulations using the Herschel-Bulckley and Cross models are shown in Tables 2 and 3, respectively. The Cross model was used to evaluate the Newtonian viscosity (zero– and ...
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Rheological behavior of Brazilian Cherry (Eugenia uniflora L.) pulp at pasteurization temperatures
... A non-linear fit (Quasi-Newton) was made for the Power Law (Ostwald-de-Waele) and Generalized Power Law (Herschel-Bulkley) models using the STATISTICA® version 5.0 software (STATSOFT…, 1995). Ascending and descending ...
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Polímeros vol.25 número5
... high shear rate (800 rpm) plays a determining role in dispersing finely and homogenously the tracer particles within PP matrix; this is fundamental for the conservation or even enhancement of the mechanical ...
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Transient and steady-state shear banding in a lamellar phase as studied by Rheo-NMR
... Under shear the stacks of amphiphilic bilayers may align with their normal either parallel to the velocity gradi- ent or parallel to the vorticity ...applied shear rate [22–25], often decreasing as ...
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Polímeros vol.24 número4
... Figure 1 shows a constant shear rate rheometer which was designed with split barrels in order to take out the NR vulcanized rod. The barrels were 40 mm in diameter and 150 mm long. A small pressure hole ...
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Pedro Henrique Santos1 , Luiza Helena Meller da Silva2 , Antônio Manoel da Cruz Rodrigues2, José Antonio Ribeiro de Souza1
... Therefore, the aim of this study was to determine the rheological behavior of malay apple juice prepared from fresh fruits with skin. This goal included producing and studying the juice’s flow behavior as well as ...
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Braz. J. Chem. Eng. vol.26 número4
... versus shear rate that were mixed with different ...low shear rates. When the shear rate increases, the sensitivity to the local structure size decreases and approximately vanishes at ...
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Braz. J. Chem. Eng. vol.28 número3
... photocell of a Photometric Dispersion Analyzer (PDA) (Rank Brothers Ltd, England). After reaching the steady state, CF was added followed by PEO. The PDA output signals: direct current voltage ( Dc ) and ratio ( R ) of ...
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Int. J. Cardiovasc. Sci. vol.30 número3
... Cultures of HUVECs are applied in studies on cell interactions (resulting in analysis of adhesion molecules and cytokines), effects of shear rate and oscillatory flow in cell signalin[r] ...
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Braz. J. Chem. Eng. vol.29 número4
... Abstract - Particulate fouling studies of a hydrocarbon based suspension containing 2 µm alumina particles were performed in an annular heat exchanger having a hydraulic diameter of 14.7 mm. During fouling experiments, ...
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STUDY OF CONTINUOUS RHEOLOGICAL MEASUREMENTS IN DRILLING FLUIDS
... viscosity, shear rate and shear ...the shear rate for non-Newtonian fluids, regardless of the geometry of the flow, depends directly on the behavior index and gap ...of shear ...
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Mat. Res. vol.12 número4
... the shear stress against shear ...non-steady shear rate increase imposed in the capillary extrusion ...the shear rate was increased stead- ily in small increment while in the ...
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Surface treated bagasse fiber ash on rheological, mechanical properties of PLABFA biocomposites
... The use of silica based bagasse fiber ash (BFA) as a reinforcing filler in polylactic acid (PLA) biocomposites was examined. The effects of surface-treated BFA on the rheological, swelling behavior, and mechanical ...
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Rheological evaluation of Prunus mume pulp Avaliação do comportamento reológico da polpa de Prunus mume
... All the samples (6, 7, 8 and 9 °Brix) evaluated at temperatures from 15 to 75 °C, showed a non-linear relation between shear stress and shear rate, indicating non-Newtonian behaviour,[r] ...
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Prolonged low flow reduces reactive hyperemia and augments low flow mediated constriction in the brachial artery independent of the menstrual cycle.
... 60s shear rate AUC, basal and occlusive shear, and basal and occlusive anterograde and retrograde 30s MBV AUC were analyzed by 2 way-repeated measures ANOVA with ‘‘menstrual phase’’ and ‘‘time’’ ...
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Impregnação de catalisadores em suporte de espuma cerâmica de alumina.
... Figura 1: Viscosidade aparente versus taxa de cisalhamento. [Figure 1: Apparent viscosity versus shear rate.. também, algumas falhas, tais como fendas laterais e no interior d[r] ...
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