Academic literature on the topic 'Newtonian fluids'

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Journal articles on the topic "Newtonian fluids"

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Martínez, Javier Andrés, Freddy Humberto Escobar, and José Humberto Cantillo. "Applying Tiab's direct synthesis technique to dilatant non-Newtonian/Newtonian fluids." Ingeniería e Investigación 31, no. 3 (September 1, 2011): 130–34. http://dx.doi.org/10.15446/ing.investig.v31n3.26404.

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Non-Newtonian fluids, such as polymer solutions, have been used by the oil industry for many years as fracturing agents and drilling mud. These solutions, which normally include thickened water and jelled fluids, are injected into the formation to enhanced oil recovery by improving sweep efficiency. It is worth noting that some heavy oils behave non-Newtonianly. Non-Newtonian fluids do not have direct proportionality between applied shear stress and shear rate and viscosity varies with shear rate depending on whether the fluid is either pseudoplastic or dilatant. Viscosity decreases as shear rate increases for the former whilst the reverse takes place for dilatants. Mathematical models of conventional fluids thus fail when applied to non-Newtonian fluids. The pressure derivative curve is introduced in this descriptive work for a dilatant fluid and its pattern was observed. Tiab's direct synthesis (TDS) methodology was used as a tool for interpreting pressure transient data to estimate effective permeability, skin factors and non-Newtonian bank radius. The methodology was successfully verified by its application to synthetic examples. Also, comparing it to pseudoplastic behavior, it was found that the radial flow regime in the Newtonian zone of dilatant fluids took longer to form regarding both the flow behavior index and consistency factor.
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Song, Jinhyeuk, Jaekyeong Jang, Taehoon Kim, and Younghak Cho. "Particle Separation in a Microchannel with a T-Shaped Cross-Section Using Co-Flow of Newtonian and Viscoelastic Fluids." Micromachines 14, no. 10 (September 28, 2023): 1863. http://dx.doi.org/10.3390/mi14101863.

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In this study, we investigated the particle separation phenomenon in a microchannel with a T-shaped cross-section, a unique design detailed in our previous study. Utilizing a co-flow system within this T-shaped microchannel, we examined two types of flow configuration: one where a Newtonian fluid served as the inner fluid and a viscoelastic fluid as the outer fluid (Newtonian/viscoelastic), and another where both the inner and outer fluids were Newtonian fluids (Newtonian/Newtonian). We introduced a mixture of three differently sized particles into the microchannel through the outer fluid and observed that the co-flow of Newtonian/viscoelastic fluids effectively separated particles based on their size compared with Newtonian/Newtonian fluids. In this context, we evaluated and compared the particle separation efficiency, recovery rate, and enrichment factor across both co-flow configurations. The Newtonian/viscoelastic co-flow system demonstrated a superior efficiency and recovery ratio when compared with the Newtonian/Newtonian system. Additionally, we assessed the influence of the flow rate ratio between the inner and outer fluids on particle separation within each co-flow system. Our results indicated that increasing the flow rate ratio enhanced the separation efficiency, particularly in the Newtonian/viscoelastic co-flow configuration. Consequently, this study substantiates the potential of utilizing a Newtonian/viscoelastic co-flow system in a T-shaped straight microchannel for the simultaneous separation of three differently sized particles.
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Gagnon, D. A., and P. E. Arratia. "The cost of swimming in generalized Newtonian fluids: experiments with C. elegans." Journal of Fluid Mechanics 800 (July 14, 2016): 753–65. http://dx.doi.org/10.1017/jfm.2016.420.

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Numerous natural processes are contingent on microorganisms’ ability to swim through fluids with non-Newtonian rheology. Here, we use the model organism Caenorhabditis elegans and tracking methods to experimentally investigate the dynamics of undulatory swimming in shear-thinning fluids. Theory and simulation have proposed that the cost of swimming, or mechanical power, should be lower in a shear-thinning fluid compared to a Newtonian fluid of the same zero-shear viscosity. We aim to provide an experimental investigation into the cost of swimming in a shear-thinning fluid from (i) an estimate of the mechanical power of the swimmer and (ii) the viscous dissipation rate of the flow field, which should yield equivalent results for a self-propelled low Reynolds number swimmer. We find the cost of swimming in shear-thinning fluids is less than or equal to the cost of swimming in Newtonian fluids of the same zero-shear viscosity; furthermore, the cost of swimming in shear-thinning fluids scales with a fluid’s effective viscosity and can be predicted using fluid rheology and simple swimming kinematics. Our results agree reasonably well with previous theoretical predictions and provide a framework for understanding the cost of swimming in generalized Newtonian fluids.
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Safa Riyadh Ridha. "A Review Report of Present Trend in Peristaltic Activity of MHD NON-Newtonian and Newtonian Fluids." Jornual of AL-Farabi for Engineering Sciences 1, no. 2 (December 1, 2022): 9. http://dx.doi.org/10.59746/jfes.v1i2.40.

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This academic paper deals with reviewing theoretical studies on MHD peristaltic transport of the Non-Newtonian as well as Newtonian fluids such as Hyperbolic Tangent fluid, Carreau fluid and Bingham fluid. Here, a wide range of study subjects, concepts, points of view, and mathematical models are presented. All of these studies are focused on Non-Newtonian fluids peristaltic activity. Among numerous of the Non- Newtonian fluids flows in physiological system, blood pumping mechanics
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Nabwey, Hossam A., Farhad Rahbar, Taher Armaghani, Ahmed M. Rashad, and Ali J. Chamkha. "A Comprehensive Review of Non-Newtonian Nanofluid Heat Transfer." Symmetry 15, no. 2 (January 29, 2023): 362. http://dx.doi.org/10.3390/sym15020362.

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Nanofluids behave like non-Newtonian fluids in many cases and, therefore, studying their symmetrical behavior is of paramount importance in nanofluid heat transfer modeling. This article attempts to provide are flection on symmetry via thorough description of a variety of non-Newtonian models and further provides a comprehensive review of articles on non-Newtonian models that have applied symmetrical flow modeling and nanofluid heat transfer. This study reviews articles from recent years and provides a comprehensive analysis of them. Furthermore, a thorough statistical symmetrical analysis regarding the commonality of nanoparticles, base fluids and numerical solutions to equations is provided. This article also investigates the history of nanofluid use as a non-Newtonian fluid; that is, the base fluid is considered to be non-Newtonian fluid or the base fluid is Newtonian, such as water. However, the nanofluid in question is regarded as non-Newtonian in modeling. Results show that 25% of articles considered nanofluids with Newtonian base fluid as a non-Newtonian model. In this article, the following questions are answered for the first time: Which non-Newtonian model has been used to model nanofluids? What are the most common non-Newtonian base fluids? Which numerical method is most used to solve non-Newtonian equations?
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Shaukat, Ayesha, Muhammad Mushtaq, Saadia Farid, Kanwal Jabeen, and Rana Muhammad Akram Muntazir. "A Study of Magnetic/Nonmagnetic Nanoparticles Fluid Flow under the Influence of Nonlinear Thermal Radiation." Mathematical Problems in Engineering 2021 (November 20, 2021): 1–15. http://dx.doi.org/10.1155/2021/2210414.

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The present research work scrutinizes numerical heat transfer in convective boundary layer flow having characteristics of magnetic ( Fe 3 O 4 ) and nonmagnetic ( Al 2 O 3 ) nanoparticles synthesized into two different kinds of Newtonian (water) and non-Newtonian (sodium alginate) convectional base fluids of casson nanofluid which integrates the captivating effects of nonlinear thermal radiation and magnetic field embedded in a porous medium. The characterization of electrically transmitted viscous incompressible fluid is taken into account within the Casson fluid model. The mathematical formulation of governing partial differential equations (PDEs) with highly nonlinearity is renovated into ordinary differential equations (ODEs) by utilizing the suitable similarity transform that constitutes nondimensional pertinent parameters. The transformed ODEs are tackled numerically by implementing b v p 4 c in MATLAB. A graphical illustration for the purpose of better numerical computations of flow regime is deliberated for the specified parameters corresponding to different profiles (velocity and temperature). To elaborate the behavior of Nusselt and skin friction factor, a tabular demonstration against the distinct specific parameters is analyzed. It is perceived that the velocity gradient of Newtonian fluids is much higher comparatively to non-newtonian fluids. On the contrary, the thermal gradient of non-Newtonian fluid becomes more condensed than that of Newtonian fluids. Graphical demonstration disclosed that the heat transfer analysis in non-Newtonian (sodium alginate)-based fluid is tremendously influenced comparatively to Newtonian (water)-based fluid, and radiation interacts with the highly denser temperature profile of non-Newtonian fluid in contrast to that of Newtonian fluid. Through such comparative analysis of magnetic or nonmagnetic nanoparticles synthesized into distinct base fluids, a considerable enhancement in thermal and heat transfer analysis is quite significant in many expanding engineering and industrial phenomenons.
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ALBAALBAKI, BASHAR, and ROGER E. KHAYAT. "Pattern selection in the thermal convection of non-Newtonian fluids." Journal of Fluid Mechanics 668 (January 5, 2011): 500–550. http://dx.doi.org/10.1017/s0022112010004775.

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The thermogravitational instability in a fluid layer of a non-Newtonian medium heated from below is investigated. Linear and weakly nonlinear analyses are successively presented. The fluid is assumed to obey the Carreau–Bird model. Although the critical threshold is the same as for a Newtonian fluid, it is found that non-Newtonian fluids can convect in the form of rolls, squares or hexagons, depending on the shear-thinning level. Similar to Newtonian fluids, shear-thickening fluids convect only in the form of rolls. The stability of the convective steady branches is carried out to determine under which specific conditions a pattern is preferred. The influence of the rheological and physical parameters is examined and discussed in detail.
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Kawase, Y. "Particle-fluid heat/mass transfer: Newtonian and non-Newtonian fluids." Wärme- und Stoffübertragung 27, no. 2 (February 1992): 73–76. http://dx.doi.org/10.1007/bf01590121.

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Bamborde, Atul, Akshta Kharkar, Mukul Hatwade, Deepak Raut, and Mrs Laxmi Gupta. "Study and Analysis of Non-Newtonian Fluid Speed Bump." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (May 31, 2023): 3201–6. http://dx.doi.org/10.22214/ijraset.2023.51670.

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Abstract: Research and investigation of non-Newtonian speed bumps with conventional speed bumps, are constructed from substances that behave like non-Newtonian fluids, such as shear thickening fluids or gels. In comparison to conventional speed bumps, the use of such materials in speed bumps may have a number of benefits, including a smoother ride, less noise, and better fuel efficiency. Non-Newtonian fluids have characteristics that set them apart from conventional fluids, like viscosity that varies depending on how much force is applied. Use various textures, color, and forms to depict the fluid's fluctuating viscosity and elasticity to express these special qualities in your college. The idea of non-Newtonian speed bumps next be discussed, along with the many non-Newtonian materials that can be used.
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Nag, Debabrata, and Amitava Datta. "Variation of the Recirculation Length of Newtonian and Non-Newtonian Power-Law Fluids in Laminar Flow Through a Suddenly Expanded Axisymmetric Geometry." Journal of Fluids Engineering 129, no. 2 (September 5, 2006): 245–50. http://dx.doi.org/10.1115/1.2409361.

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A numerical study has been carried out for the laminar flow of Newtonian and non-Newtonian power-law fluids through a suddenly expanded axisymmetric geometry. Mathematical correlations are proposed for the prediction of the length of the recirculating eddy in terms of Reynolds number, expansion ratio and rheological parameters. A wide range of expansion ratios (1.25⩽ER⩽8.0) has been covered for the Newtonian fluid and both the shear-thinning and shear-thickening flow characteristic fluids have been considered for the non-Newtonian fluids.
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Dissertations / Theses on the topic "Newtonian fluids"

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Lombe, Mubanga. "Spin coating of Newtonian and non-Newtonian fluids." Doctoral thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/4904.

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Aguilar-Martinez, Silvestre. "Critical collapse of Newtonian fluids." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/54754.

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This thesis constitutes a numerical study concerning the dynamics of an inviscid fluid subject to Newtonian gravity. Type-II critical phenomena has been previously measured in gravitational collapse simulations of isothermal-gas-spheres in Newtonian gravity. Our first objective was to extend this work by applying the more general polytropic-gas equation-of-state to the spherically symmetric fluid. We showed that under generic conditions of critical collapse, the polytropic gas allows for scale-invariant solutions. These solutions display self-similarity of the first kind with non-linear scaling between the space and time variables. One of these solutions was identified as the critical solution in critical collapse simulations. Such solution was found to have a single unstable mode with a Lyapunov exponent whose value depends on the polytropic index (Γ) from the equation of state. We argued that this behavior constitutes evidence of type-II critical phenomena with a transition from type-II to type-I behavior occurring at Γ ≥ 6/5. Thus, the polytropic gas exhibits both types of critical behavior. These phenomena was investigated dynamically and also from perturbation analysis. In the second phase of the project we extended the hydrodynamic model to treat axi-symmetric gravitational collapse. This allowed us to study the effect of angular momentum on the critical solution. As previously predicted, infinitesimal initial rotation introduces a non-spherical, unstable axial mode into the dynamics. The measured scaling behavior of the specific angular momentum of the collapsed core agrees with the predicted growth rate (Lyapunov exponent) of the axial perturbation. This two-mode linear regime modifies the scaling laws via the introduction of universal functions that depend on the two-parameter family of initial data. The predicted universality of these functions was confirmed through careful measurements of the collapsed mass and its angular momentum near the collapse threshold. A two-parameter space survey reveals a universal behavior of the order-parameters, with no mass-gap even in the presence of finite initial rotation. The behavior changes slightly beyond some initial rotation threshold. The results then, can be interpreted as an intermediate convergence to a non-spherical self-similar critical solution with a single unstable mode.
Science, Faculty of
Physics and Astronomy, Department of
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Chilcott, Mark David. "Mechanics of non-Newtonian fluids." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329946.

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Mennad, Abed. "Singular behaviour of Non-Newtonian fluids." Thesis, Peninsula Technikon, 1999. http://hdl.handle.net/20.500.11838/1253.

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Thesis (MTech (Mechanical Engineering))--Peninsula Technikon, 1999
Since 1996, a team at the Centre for Research in Applied Technology (CRATECH) at Peninsula Technikon, under NRF sponsorship and with industrial co-operation, has been involved in the simulation of Non-Newtonian flow behaviour in industrial processes, in particular, injection moulding of polymers. This study is an attempt to deal with some current issues of Non-Newtonian flow, in small areas, from the viewpoint of computational mechanics. It is concerned with the numerical simulation of Non-Newtonian fluid flows in mould cavities with re-entrant corners. The major complication that exists in this numerical simulation is the singularity of the stresses at the entry of the corner, which is responsible for nonintegrable stresses and the propagation of solution errors. First, the study focuses on the derivation of the equations of motion of the flow which leads to Navier- Stokes equations. Thereafter, the occurrence of singularities in the numerical solution of these equations is investigated. Singularities require special attention no matter what numerical method is used. In finite element analysis, local refinement around the singular point is often employed in order to improve the accuracy. However, the accuracy and the rate of convergence are not, in general, satisfactory. Incorporating the nature of singularity, obtained by an asymptotic analysis in the numerical solution, has proven to be a very effective way to improve the accuracy in the neighborhood of the singularity and, to speed up the rate of convergence. This idea has been successfully adopted in solving mainly fracture mechanics problems by a variety of methods: finite difference, finite elements, boundary and global elements, and spectral methods. In this thesis, the singular finite elements method (SFEM), similar in principle to the crack tip element used in fracture mechanics, is proposed to improve the solution accuracy in the vicinity of the singular point and to speed up the rate of convergence. This method requires minor modifications to standard finite element schemes. Unfortunately, this method could not be implemented in this study due to the difficulty in generating the mesh for the singular element. Only the standard finite element method with mesh refinement has been used. The results obtained are in accordance with what was expected.
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Ozgen, Serkan. "Two-layer flow stability in newtonian and non-newtonian fluids." Doctoral thesis, Universite Libre de Bruxelles, 1999. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211876.

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Ducharme, Réjean 1970. "Capillary flow of non-Newtonian fluids." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23392.

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The flow of a two-dimensional incompressible non-Newtonian fluid, showing a viscoelastic behavior, has been studied using the White-Metzner model with a phenomenological law for the viscosity, the Spriggs' truncated power-law model. Our goal was to determine if these models could generate the oscillating instabilities appearing in such fluids at very high driving force. We studied the effect of various quantities on the time-dependent numerical simulations and noticed that the mesh length was not very important for the accuracy of the results. However, the time constant modulus appearing in the White-Metzner model and the applied pressure were of paramount importance for the relaxation time of a disruptive flow.
We thus showed that this model was effective only at low pressure and that without adding new aspects to the study of the flow, such as compressibility, we could not obtain any oscillating flow at high pressure. Despite this fact, exact steady-state solutions, as well as a time-dependant solution in the case of very small Reynolds number ($R to$ 0), have been given.
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Chaffin, Stephen. "Non-Newtonian fluids in complex geometries." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/16750/.

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Whitelaw, David Stuart. "Droplet atomisation of Newtonian and non-Newtonian fluids including automotive fuels." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266620.

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Ramos, Anilzabel Costa dos. "Modelos unidimensionais para fluidos Newtonianos e Newtonianos generalizados." Master's thesis, Universidade de Évora, 2021. http://hdl.handle.net/10174/29820.

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Este trabalho de dissertação tem como objectivo o desenvolvimento e estudo de modelos unidimensionais para o escoamento de um fluido com base na teoria de Cosserat, também conhecida pela teoria dos directores. A base desta teoria relativa `a dinâmica dos fluidos ´e semelhante `a que se usa no estudo de vigas em Mecânica dos Sólidos, ver por exemplo os trabalhos [4, 5]. Um modelo tridimensional associado ao escoamento de fluido Newtoniano, ou uma sua generalização onde a viscosidade depende da taxa de cisalhamento, tal dependência do tipo lei de potência, ´e um modelo complexo para estudar em termos de optimização computacional, o que em muitas situações relevantes torna-se inviável. Para simplificar o modelo tridimensional e como alternativa aos modelos clássicos unidimensionais, usaremos a teoria de Cosserat relacionada com a dinâmica dos fluidos para aproximar o campo de velocidades e assim obter um sistema unidimensional constituído por uma equação diferencial ordinária ou parcial, dependendo apenas do tempo e de uma única variável de espaço. A partir deste sistema de redução, obtemos uma equação para o gradiente de pressão média dependendo do caudal volumétrico, número de Womersley e do ´ındice de fluxo no caso de um fluido Newtoniano generalizado, sobre uma secção finita da geometria do domínio em estudo. No nosso trabalho a geometria em estudo vai ser um tubo de secção circular com raio constante e não constante ao longo do escoamento simétrico relativo ao eixo de simetria. A atenção é focada em algumas simulações numéricas para gradiente de pressão média constante e não constante usando um método Runge-Kutta e na análise de fluxos perturbados. Em particular, para certos dados específicos, podemos obter informações sobre o caudal volumétrico e, consequentemente, podemos ilustrar o campo de velocidade tridimensional na secção transversal circular do tubo. Além disso, comparamos a solução exata tridimensional estacionária com a solução unidimensional correspondente obtida pela teoria de Cosserat. Este trabalho de dissertação tem por base os trabalhos [1, 2, 3]; Abstract: One-dimensional Models for Newtonian and Generalized Newtonian Fluids This dissertation work aims to develop and study one-dimensional models for the flow of a fluid based on the Cosserat theory, also known by the theory of directors. The basis of this theory on fluid dynamics is similar to that used in the study of beams in Solid Mechanics, see for example the works [4, 5]. A three-dimensional model associated with the flow of Newtonian fluid, or a generalization where viscosity depends on the shear rate, such dependence on the power law type, is a complex model to study in terms of computational optimization, which in many relevant situations becomes if not viable. To simplify the three-dimensional model and as an alternative to classic one-dimensional models, we will use the Cosserat theory related to fluid dynamics to approximate the velocity field and thus obtain a one-dimensional system consisting of an ordinary or partial differential equation, depending only on time and of a single space variable. From this reduction system, we obtain an equation for the average pressure gradient depending on the volumetric flow, Womersley number and the flow index in the case of a generalized Newtonian fluid, over a finite section of the geometry of the domain under study. In our work the geometry under study will be a tube of circular section with constant and non-constant radius along the symmetrical flow relative to the axis of symmetry. Attention is focused on some numerical simulations for constant and non-constant mean pressure gradient using a Runge-Kutta method and on the analysis of disturbed flows. In particular, for certain specific data, we can obtain information on the volumetric flow and, consequently, we can illustrate the three-dimensional velocity field in the circular cross section of the tube. In addition, we compared the exact stationary three-dimensional solution with the corresponding onedimensional solution obtained by Cosserat’s theory. This dissertation work is based on the works [1, 2, 3].
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Gouldson, Iain William. "The flow of Newtonian and non-Newtonian fluids in an annular geometry." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243035.

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Books on the topic "Newtonian fluids"

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Stearns, Jim. Pipeline transport applications: Newtonian and non-Newtonian fluids. Norwich, N.Y: Knovel, 2013.

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Böhme, G. Non-Newtonian fluid mechanics. Amsterdam: North-Holland, 1987.

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Irgens, Fridtjov. Rheology and Non-Newtonian Fluids. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-01053-3.

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Brujan, Emil. Cavitation in Non-Newtonian Fluids. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15343-3.

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Dunwoody, J. Elements of stability of viscoelastic fluids. Harlow, Essex, England: Longman Scientific & Technical, 1989.

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Zeytounian, R. Kh. Modélisation asymptomatique en mécanique des fluides newtoniens. Paris: Springer-Verlag, 1994.

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Meeting, American Society of Mechanical Engineers Winter. Recent advances in non-newtonian flows: Presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Anaheim, California, November 8-13, 1992. New York, N.Y: American Society of Mechanical Engineers, 1992.

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Berezin, I. K. Chislennye medoty dl͡ia rascheta techeniĭ vysokov͡iazkikh zhidkosteĭ so svobodnoĭ poverkhnostʹ͡iu. Sverdlovsk: UrO AN SSSR, 1987.

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Dafermos, Constantine, J. L. Ericksen, and David Kinderlehrer, eds. Amorphous Polymers and Non-Newtonian Fluids. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-1064-1.

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Temmerman, L. W. Numerical modelling of non-Newtonian fluids. Manchester: UMIST, 1996.

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Book chapters on the topic "Newtonian fluids"

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Holmes, Mark H. "Newtonian Fluids." In Texts in Applied Mathematics, 445–95. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24261-9_9.

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Tsamparlis, Michael. "Newtonian Fluids." In Special Relativity, 757–84. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27347-7_22.

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Ghazanfarian, Jafar. "Newtonian and Non-Newtonian Fluids." In Applied Continuum Mechanics for Thermo-Fluids, 48–67. Boca Raton: CRC Press, 2024. http://dx.doi.org/10.1201/9781032719405-3.

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Saramito, Pierre. "Quasi-Newtonian Fluids." In Complex fluids, 63–90. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44362-1_2.

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Levenspiel, Octave. "Non-Newtonian Fluids." In Engineering Flow and Heat Exchange, 99–131. Boston, MA: Springer US, 2014. http://dx.doi.org/10.1007/978-1-4899-7454-9_5.

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Cuvelier, C., A. Segal, and A. A. van Steenhoven. "Non-Newtonian fluids." In Finite Element Methods and Navier-Stokes Equations, 452–62. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-010-9333-0_18.

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Levenspiel, Octave. "Non-Newtonian Fluids." In The Plenum Chemical Engineering Series, 95–122. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4899-0104-0_5.

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Irgens, Fridtjov. "Generalized Newtonian Fluids." In Rheology and Non-Newtonian Fluids, 113–24. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01053-3_6.

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Brujan, Emil-Alexandru. "Non-Newtonian Fluids." In Cavitation in Non-Newtonian Fluids, 1–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15343-3_1.

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Chlebicka, Iwona, Piotr Gwiazda, Agnieszka Åšwierczewska-Gwiazda, and Aneta Wróblewska-KamiÅ„ska. "Non-Newtonian Fluids." In Springer Monographs in Mathematics, 261–332. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-88856-5_7.

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Conference papers on the topic "Newtonian fluids"

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Avram, Marius, Marioara Avram, Ciprian Iliescu, and Adina Bragaru. "Flow of Non-Newtonian Fluids." In 2006 International Semiconductor Conference. IEEE, 2006. http://dx.doi.org/10.1109/smicnd.2006.284046.

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Kant, Krishna, and Raja Banerjee. "Numerical Study on the Breakup of non-Newtonian/Newtonian Compound Droplet." In 7th Thermal and Fluids Engineering Conference (TFEC). Connecticut: Begellhouse, 2022. http://dx.doi.org/10.1615/tfec2022.fnd.040891.

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Jin, Kai, Pratap Vanka, and Ramesh K. Agarwal. "Numerical Simulations of Newtonian and Non-Newtonian Fluids on GPU." In 52nd Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-1128.

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4

Bizhani, Majid, and Ergun Kuru. "Modeling Turbulent Flow of Non-Newtonian Fluids Using Generalized Newtonian Models." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41427.

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Computational Fluid Dynamic (CFD) is used to model turbulent flow of non-Newtonian polymeric fluids in concentric annulus. The so called Generalized Newtonian Fluid (GNF) approach is used. Four turbulence models are tested. Applicability of each model in predicting turbulent flow of non-Newtonian fluids in annulus is assessed by comparing results of pressure loss and or velocity profiles with experimental data. The first tested model is a modified version of Lam-Bremhorst k–ε turbulence model. The modification was originally developed to model flow of power law fluids in smooth circular pipes. Results of simulation study showed that this model significantly overestimates the pressure losses. Two k–ε closure type turbulence models, one developed to model turbulent flow of Herschel-Buckley and the other for power law fluids, are shown to fail in predicting turbulent flow of polymer solutions. One of the models contains a damping function which is analyzed to show its inadequacy in damping the eddy viscosity. The last tested model is a one layer turbulence model developed for predicting turbulent flow in annular passages. The model has an adjustable parameter, which is shown to control the slope of velocity profiles in the logarithmic region. It is demonstrated that if the model constant is selected carefully, the model accurately predicts pressure loss and velocity profiles.
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5

Fellouah, H., C. Castelain, A. Ould El Moctar, and H. Peerhossaini. "Dean Instability in Non-Newtonian Fluids." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60095.

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We present a numerical study of Dean instability in non-Newtonian fluids in a laminar 180° curved-channel flow of rectangular cross section. A methodology based on the Papanastasiou model [1] was developed to take into account Bingham-type rheological behavior. After validation of the numerical methodology, simulations were carried out (using Fluent CFD code) for Newtonian and non-Newtonian fluids in curved channels of square and rectangular cross section and of large aspect and curvature ratios. A criterion based on the axial velocity gradient was defined to detect the instability threshold. This criterion is used to optimize the grid geometry. The effects of curvature and aspect ratios on the instability are studied for all fluids, Newtonian and non-Newtonian. In particular, we show that the critical value of the Dean number decreases with increasing duct curvature ratio. The variation of the critical Dean number with duct aspect ratio is less regular. The results are compared with those for Newtonian fluids to emphasize the effect of the power-law index and the Bingham number. The onset of Dean instability is delayed with increasing power-law index. The same delay is observed in Bingham fluids when the Bingham number is increased.
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Fomin, Sergei, and Toshiyuki Hashida. "Rimming Flow of Non-Newtonian Fluids." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61443.

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The present study is related to the rimming flow of non-Newtonian fluid on the inner surface of a horizontal rotating cylinder. Using a scale analysis, the main characteristic scales and non-dimensional parameters, which describe the principal features of the process, are found. Exploiting the fact that one of the parameters is very small, an approximate asymptotic mathematical model of the process is developed and justified. For a wide range of fluids, a general constitutive law can be presented by a single function relating shear stress and shear rate that corresponds to a generalized Newtonian model. For this case, the run-off condition for rimming flow is derived. Provided the run-off condition is satisfied, the existence of a steady-state solution is proved. Within the bounds stipulated by this condition, film thickness admits a continuous solution, which corresponds to subcritical and critical flow regimes. It is proved that for the critical regime solution has a corner on the rising wall of the cylinder. In the supercritical flow regime, a discontinuous solution is possible and a hydraulic jump may occur. It is shown that straightforward leading order steady-state theory can work well to study the shock location and height. For the particular case of a power-law model, the analytical solution of steady-state equation for the fluid film thickness is found in explicit form. More complex theological models, which show linear Newtonian behavior at low shear rates with transition to power-law at moderate shear rates, are also considered. In particular, numerical computations were carried out for Ellis model. For this model, some analytical asymptotic solutions have been also obtained in explicit form and compared with the results of numerical computations. Based on these solutions, the optimal values of parameters, which should be used in the Ellis equation for correct simulation of coating flows, are determined; the criteria that guarantee the steady-state continuous solutions are defined; the size and location of the stationary hydraulic jumps, which form when the flow is in the supercritical state, are obtained for the different flow parameters.
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Koide, Tomoi, Leonardo Dagdug, A. García-Perciante, A. Sandoval-Villalbazo, and L. S. García-Colín. "Non-Newtonian Properties of Relativistic Fluids." In IV MEXICAN MEETING ON MATHEMATICAL AND EXPERIMENTAL PHYSICS: RELATIVISTIC FLUIDS AND BIOLOGICAL PHYSICS. AIP, 2010. http://dx.doi.org/10.1063/1.3533203.

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8

Youssry, M., B. Caillard, C. Ayela, C. Pellet, and I. Dufour. "Microrheology of Newtonian Fluids using Microcantilever." In IASTED Technology Conferences 2010. Calgary,AB,Canada: ACTAPRESS, 2010. http://dx.doi.org/10.2316/p.2010.707-018.

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Zhu, Qinsheng, and Peter E. Clark. "Multiparticle Settling in Non-Newtonian Fluids." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-1171.

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Abstract The settling of particles in non-Newtonian fluids is an important topic in industries from pharmaceuticals and foods to mineral extraction and construction. A large body of experimental work is available on single particle settling in both Newtonian and non-Newtonian fluids. Multi-particle systems are less well studied. Most reported work in multiparticle systems has been in Newtonian fluids. Recently, there has been increasing interest in multiparticle settling in non-Newtonian fluids. This paper will review some of the more important of these studies and present some new data on periodic motion observed in systems of three or more particles.
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Zakeri, Ramin, and Eon Soo Lee. "Similar Region in Electroosmotic Flow Rate for Newtonian and Non-Newtonian Fluids Using Dissipative Particle Dynamics (DPD)." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37836.

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In this paper, analysis of electroosmotic flow in Newtonian and non Newtonian fluids in nanochannel with dissipative particle dynamics (DPD) method is presented and our results are validated with analytical solutions. Our aim is that which region or regions, based on the volumetric flow rates, in non-Newtonian fluids are similar with comparison to Newtonian ones in regards to various effective EOF parameters. For numerical simulation, the linearized Poisson Boltzmann for external force calculation is used and DPD method is applied for power law fluids to predict non-Newtonian fluids behavior in electroosmotic in various conditions such as different zeta potential, external electric fields, kh parameter (mainly Debye length and channel height), and flow behavior index. Based on the our results, for certain values of effective parameters, there are regions for volumetric flow rates which both Newtonian and non Newtonian electroosmotic flows have similar behavior while out of these regions, there are obviously significant differences and it is not possible to take Newtonian assumption for these regions. Based on our results validated with analytical solution, simplified assumption of taking non Newtonian fluid as Newtonians ones, in different EOF conditions in most cases, have a clearly inaccuracy and presented method can predict which EOF rates in both cases are correctly similar.
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Reports on the topic "Newtonian fluids"

1

Rivlin, R. S. Vortices in Non-Newtonian Fluids. Fort Belvoir, VA: Defense Technical Information Center, February 1985. http://dx.doi.org/10.21236/ada153169.

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2

Rajagopal, Docotr. Investigations into Swirling Flows of Newtonian and Non-Newtonian Fluids. Fort Belvoir, VA: Defense Technical Information Center, September 1991. http://dx.doi.org/10.21236/ada253298.

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3

Forest, M. Gregory, and Stephen E. Bechtel. Toward Technological Application of Non-Newtonian Fluids & Complex Materials/Modeling, Simulation, & Design of Experiments. Fort Belvoir, VA: Defense Technical Information Center, August 1997. http://dx.doi.org/10.21236/ada336243.

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4

Wu, Yu Shu. Theoretical Studies of Non-Newtonian and Newtonian Fluid Flowthrough Porous Media. Office of Scientific and Technical Information (OSTI), February 1990. http://dx.doi.org/10.2172/917318.

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Wu, Yu-Shu. Theoretical studies of non-Newtonian and Newtonian fluid flow through porous media. Office of Scientific and Technical Information (OSTI), February 1990. http://dx.doi.org/10.2172/7189244.

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Nohel, J. A., R. L. Pego, and A. E. Tzavaras. Stability of Discontinuous Shearing Motions of a Non-Newtonian Fluid. Fort Belvoir, VA: Defense Technical Information Center, July 1989. http://dx.doi.org/10.21236/ada210643.

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7

Cloutman, L. A Note on Differencing the Viscous Dissipation Terms for a Newtonian Fluid. Office of Scientific and Technical Information (OSTI), May 2001. http://dx.doi.org/10.2172/15005563.

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8

Balmforth, NeiI J., and John Hinch. Conceptual Models of the Climate 2003 Program of Study: Non-Newtonian Geophysical Fluid Dynamics. Fort Belvoir, VA: Defense Technical Information Center, February 2004. http://dx.doi.org/10.21236/ada422300.

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9

Mansour, A., and N. Chigier. The physics of non-Newtonian liquid slurry atomization. Part 2: Twin-fluid atomization of non-Newtonian liquids -- First quarterly technical report, 1 January--31 March 1994. Office of Scientific and Technical Information (OSTI), June 1994. http://dx.doi.org/10.2172/10158834.

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10

Ali, Aamir, Surayya Saba, Saleem Asghar, and Salman Saleem. Thermal and Concentration Effects of Unsteady Flow of Non-Newtonian Fluid over an Oscillating Plate. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, May 2018. http://dx.doi.org/10.7546/crabs.2018.04.04.

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