Academic literature on the topic 'Casson Fluid Model'

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Journal articles on the topic "Casson Fluid Model"

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Pandey, S. K., and Dharmendra Tripathi. "A Mathematical Model for Swallowing of Concentrated Fluids in Oesophagus." Applied Bionics and Biomechanics 8, no. 3-4 (2011): 309–21. http://dx.doi.org/10.1155/2011/782414.

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This model investigates particularly the impact of an integral and a non-integral number of waves on the swallowing of food stuff such as jelly, tomato puree, soup, concentrated fruits juices and honey transported peristaltically through the oesophagus. The fluid is considered as a Casson fluid. Emphasis is on the study of the dependence of local pressure distribution on space and time. Mechanical efficiency, reflux limit and trapping are also discussed. The effect of Casson fluid vis-à-vis Newtonian fluid is investigated analytically and numerically too. The result is physically interpreted a
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Sankar, D. S., and Atulya K. Nagar. "Nonlinear Fluid Models for Biofluid Flow in Constricted Blood Vessels under Body Accelerations: A Comparative Study." Journal of Applied Mathematics 2012 (2012): 1–27. http://dx.doi.org/10.1155/2012/950323.

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Pulsatile flow of blood in constricted narrow arteries under periodic body acceleration is analyzed, modeling blood as non-Newtonian fluid models with yield stress such as (i) Herschel-Bulkley fluid model and (ii) Casson fluid model. The expressions for various flow quantities obtained by Sankar and Ismail (2010) for Herschel-Bulkley fluid model and Nagarani and Sarojamma (2008), in an improved form, for Casson fluid model are used to compute the data for comparing these fluid models. It is found that the plug core radius and wall shear stress are lower for H-B fluid model than those of the Ca
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Farooq, Umar, Umar Farooq, Shan Ali Khan, et al. "Heat Transfer of Casson Nanofluid Flow Between Double Disks: Using Buongiorno Model." Journal of Nanofluids 13, no. 3 (2024): 783–94. http://dx.doi.org/10.1166/jon.2024.2180.

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Purpose: Fluid thermal efficiency is crucial in major industrial sectors. Traditional fluids often lack the heat transmission needed for various operations. To address this, researchers introduced metallic and non-metallic nano additives, creating a new type of fluid called Nanofluid. This article explores the squeezing flow of Casson nanofluid between parallel disks, considering suction/injection, thermophysical impacts, thermal radiation, and chemical reaction. Methodology: The study uses the Buongiorno nanofluid theory to analyze thermophoresis and Brownian motion, reducing partial differen
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Nanjundaswamy, Vinay Kumar Poorigaly, Ulavathi Shettar Mahabaleshwar, Patil Mallikarjun, Mohaddeseh Mousavi Nezhad, and Giulio Lorenzini. "Casson Liquid Flow due to Porous Stretching Sheet with Suction/Injection." Defect and Diffusion Forum 388 (October 2018): 420–32. http://dx.doi.org/10.4028/www.scientific.net/ddf.388.420.

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The theoretical study of laminar boundary layer flows of a non-Newtonian fluid past a stretching sheet in an embedded porous medium in the presence of suction/injection is of significant importance in the crystal growing, geothermal, metallurgical, polymer extrusion and several other technological processes. Casson fluid model is one such fluid model used to characterize the behaviour of non-Newtonian fluids. The present article discusses the Casson fluid flow past a permeable stretching sheet in the presence of mass transpiration. The physical problem is modelled into a system of nonlinear pa
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Avinash B. Raut. "Study of Convective Magnetohydrodynamic Flow of Casson Fluids through a Porous Medium Incorporating the Darcy-Forchheimer Model and Influenced by Prescribed Heat Sources." Communications on Applied Nonlinear Analysis 32, no. 9s (2025): 1651–76. https://doi.org/10.52783/cana.v32.4262.

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This study investigates the heat and mass transfer properties of a 2D electrically conducting incompressible Casson fluid flowing through a porous medium over a stretching sheet. The analysis considers the effects of a magnetic field, heat generation/absorption, and chemical reactions. The Casson fluid model is employed to describe the non-Newtonian behaviour of the fluid, which is relevant in biomechanics and polymer industries due to its yield stress. A numerical simulation is performed to estimate the flow of a Casson nanofluid over a stretching surface. The governing boundary layer equatio
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Sankar, D. S., and Usik Lee. "Pulsatile Flow of Two-Fluid Nonlinear Models for Blood Flow through Catheterized Arteries: A Comparative Study." Mathematical Problems in Engineering 2010 (2010): 1–21. http://dx.doi.org/10.1155/2010/121757.

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The pulsatile flow of blood through catheterized arteries is analyzed by treating the blood as a two-fluid model with the suspension of all the erythrocytes in the core region as a non-Newtonian fluid and the plasma in the peripheral layer as a Newtonian fluid. The non-Newtonian fluid in the core region of the artery is represented by (i) Casson fluid and (ii) Herschel-Bulkley fluid. The expressions for the flow quantities obtained by Sankar (2008) for the two-fluid Casson model and Sankar and Lee (2008) for the two-fluid Herschel-Bulkley model are used to get the data for comparison. It is no
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Santhosh, H. B., Mahesha, and C. S. K. Raju. "Unsteady Carreau-Casson fluids over a radiated shrinking sheet in a suspension of dust and graphene nanoparticles with non-Fourier heat flux." Nonlinear Engineering 8, no. 1 (2019): 419–28. http://dx.doi.org/10.1515/nleng-2017-0158.

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Abstract This study gives unsteady radiative magneto hydrodynamic Carreau-Casson fluids in suspension of graphene particle with Cattaneo-Christov model. A simulation is performed by mixing of graphene nanoparticles into the base water. The arising set of governing partial differential equations (PDEs) are transformed into set of ordinary differential equations (ODEs) using similarity transformations and then solved numerically using shooting technique with Runge-Kutta (RK) method. The computational results for non-dimensional temperature and velocity profiles are presented through graphs and t
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Paul, Ashish, and Jintu Mani Nath. "Magneto-Hydrodynamic Stagnation Point Flow of Casson Williamson Hybrid Nanofluid Incorporating Viscous Dissipation and Suction/Injection Effect Past an Exponentially Stretching Cylinder." Journal of Nanofluids 13, no. 3 (2024): 710–20. http://dx.doi.org/10.1166/jon.2024.2162.

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The ongoing inquiry aims to analyze stagnation point flow characteristics of magneto-hydrodynamic (MHD) Cason-Williamson hybrid nanofluids over an exponentially stretched cylinder, incorporating phenomena like viscous dissipation and suction/injection effects, as no prior investigation has been conducted on it, which represents the distinctiveness of the flow model. To facilitate analysis, the original partial differential equation (PDE) formulation of the flow model is transformed into non-dimensional ordinary differential equations (ODEs) employing dimensionless quantities, a process facilit
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Aghighi, Mohammad Saeid, Christel Metivier, and Hamed Masoumi. "Natural convection of Casson fluid in a square enclosure." Multidiscipline Modeling in Materials and Structures 16, no. 5 (2020): 1245–59. http://dx.doi.org/10.1108/mmms-11-2019-0192.

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PurposeThe purpose of this paper is to analyze the natural convection of a yield stress fluid in a square enclosure with differentially heated side walls. In particular, the Casson model is considered which is a commonly used model.Design/methodology/approachThe coupled conservation equations of mass, momentum and energy related to the two-dimensional steady-state natural convection within square enclosures are solved numerically by using the Galerkin's weighted residual finite element method with quadrilateral, eight nodes elements.FindingsResults highlight a small degree of the shear-thinnin
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Sankar, D. S., and Yazariah Yatim. "Comparative Analysis of Mathematical Models for Blood Flow in Tapered Constricted Arteries." Abstract and Applied Analysis 2012 (2012): 1–34. http://dx.doi.org/10.1155/2012/235960.

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Pulsatile flow of blood in narrow tapered arteries with mild overlapping stenosis in the presence of periodic body acceleration is analyzed mathematically, treating it as two-fluid model with the suspension of all the erythrocytes in the core region as non-Newtonian fluid with yield stress and the plasma in the peripheral layer region as Newtonian. The non-Newtonian fluid with yield stress in the core region is assumed as (i) Herschel-Bulkley fluid and (ii) Casson fluid. The expressions for the shear stress, velocity, flow rate, wall shear stress, plug core radius, and longitudinal impedance t
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Dissertations / Theses on the topic "Casson Fluid Model"

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Guadagni, Simone. "Mathematical models for blood flow." Doctoral thesis, 2022. http://hdl.handle.net/2158/1262449.

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This thesis deals with the mathematical modelling of hemorheology that consists in the study of blood flow either as a homogeneous fluid or as suspension of cells in plasma. we will look at a few areas of hemorheology. In particular, we will deal with microcirculation, the part of the circulatory system that includes venules, arterioles, and capillaries. The microcirculation plays a fundamental role in the circulatory system, as it is the part of the system responsible for trans- porting blood to the periphery. Specifically, in this thesis we will analyze the blood flow that occurs in vessel
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Book chapters on the topic "Casson Fluid Model"

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Gandhi, Rishu, and B. K. Sharma. "Modelling Pulsatile Blood Flow Using Casson Fluid Model Through an Overlapping Stenotic Artery with Au-Cu Hybrid Nanoparticles: Varying Viscosity Approach." In Advances in Mathematical Modelling, Applied Analysis and Computation. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-29959-9_10.

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"ANALYSIS OF CASSON FLUID MODEL FOR BLOOD FLOW IN EXTERNALLY APPLIED MAGNETIC FIELD." In Theoretical and Computational Research in the 21st Century. Apple Academic Press, 2014. http://dx.doi.org/10.1201/b17629-18.

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Conference papers on the topic "Casson Fluid Model"

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Cavalcanti da Costa, Isabely Penina, Lucila Chebel Labaki, and Athos Lages. "Impacto do Fechamento do Lote na Variação dos Coeficientes de Pressão em Edificações Térreas." In XX ENCONTRO NACIONAL DE TECNOLOGIA DO AMBIENTE CONSTRUÍDO. UFAL, 2024. http://dx.doi.org/10.46421/entac.v20i1.5986.

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A ventilação natural, impulsionada pela ação do vento, ocorre devido ao deslocamento do ar gerado pelo diferencial de pressão nas faces da edificação. Vários fatores podem influenciar a distribuição de pressão, como a presença de muros, que geralmente reduzem os diferenciais de coeficientes de pressão (Cps). No entanto, pesquisas anteriores analisaram edificações isoladamente, sem considerar o entorno, um fator importante devido ao seu efeito de abrigo. O objetivo deste trabalho é avaliar a influência do fechamento do lote na distribuição dos Cps nas fachadas de um modelo de edificação térrea,
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Wang, Haimin, Xiong Huang, Fan Yang, Wenjuan Cai, and Eryun Chen. "The Dynamic Behavior of Protein Bubble in Casson Fluid." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30151.

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A Casson model is selected to describe the flow behavior of blood. Considering the viscoelasticity of protein film, and the finite deformation of protein bubble under the action of a Casson fluid, a nonlinear equation describing the dynamic behavior for a single protein bubble in blood is developed. The numerical method is used to study the effect of viscoelasticity of the protein film, the characteristic parameters of Casson fluid and the effect of surface tension on the dynamic behavior of protein bubble. The results show that, increasing the viscosity of Casson liquid will accelerate the am
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Cayeux, Eric, and Amare Leulseged. "Characterization of the Rheological Behavior of Drilling Fluids." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-19288.

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Abstract It is nowadays well accepted that the steady state rheological behavior of drilling fluids must be modelled by at least three parameters. One of the most often used models is the yield power law, also referred as the Herschel-Bulkley model. Other models have been proposed like the one from Robertson-Stiff, while other industries have used other three-parameter models such as the one from Heinz-Casson. Some studies have been made to compare the degree of agreement between different rheological models and rheometer measurements but in most cases, already published works have only used m
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Pease, Leonard F., Arich J. Fuher, Judith A. Bamberger, Carolyn A. Burns, Richard C. Daniel, and Michael J. Minette. "Is Radioactive Tank Waste a Bingham Fluid?" In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5216.

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Abstract Slurries and sludges across the United States Department of Energy (DOE) complex rank among the most rheologically interesting. Their composition is heterogeneous, spanning a very broad range of particle sizes, densities, and interparticle forces. All exhibit shear thinning, some have yield stresses, and many are thixotropic. Despite the variety, these complex fluids are often represented using the historic Bingham fluid model, which fits higher shear rate data to a simple straight line. The intercept provides a yield stress, which has been a key design parameter in construction of la
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Oukhlef, Aimad, Abdlehak Ambari, Ste´phane Champmartin, and Antoine Despeyroux. "Yield Stress Fluid Method to Measure the Pore Size Distribution of a Porous Medium." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30509.

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In this paper a new method is presented in order to determine the pore size distribution in a porous media. This original technique uses the non Newtonian yield-pseudo-plastic rheological properties of some fluid flowing through the porous sample. In a first approximation, the very well-known and simple Carman-Kozeny model for porous media is considered. However, despite the use of such a huge simplification, the analysis of the geometry still remains an interesting problem. Then, the pore size distribution can be obtained from the measurement of the total flow rate as a function of the impose
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Elhanafy, Ahmed, Yasser Abuouf, Shinichi Ookawara, and Mahmoud Ahmed. "Non-Newtonian Blood Flow in a Diseased Abdominal Aortic Arterial Segment Under the Effect of an External Magnetic Field: A Numerical Study." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95336.

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Abstract Numerical simulation of blood flow modeling in cardiovascular system has been one of the most efficient tools in understanding and diagnosing many diseases in the recent few decades. Recent studies have been performed to investigate the effect of the external magnetic fields on the biomagnetic fluids such as blood. There are many applications of magnetic field which are closely related to hemodynamics such as the magnetic resonance imaging (MRI) devices, magnetic drug targeting (MDT) and cell separation. These applications have a direct connection with hemodynamics parameters such as
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Gucuyener, Ismail Hakki, Onur Kazim Gurcay, and Samed Yanik. "A Comprehensive Evaluation of Rheological Models for Non-Aqueous Drilling Fluids." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-78546.

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Abstract This article presents a comparison of Power’s law, Bingham plastic, Casson, Herschel-Bulkley, Unified Herschel-Bulkley, Robertson-Stiff, Gucuyener, Sisko and modified Sisko models using a rheological database of extensive real field and laboratory datasets. In this study, 778 field and laboratory shear rate/shear stress datasets collected from four different sources for oil-based (OBM) and synthetic-based (SBM) muds were evaluated. Rheological measurements were made using Couette coaxial cylinder rotational viscometer such as Fann-35 type viscometers, in the shear rate range of 5.11 t
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Kim, Tae Jin, and Carlos H. Hidrovo. "Stability Analysis of Cassie-Baxter State Under Pressure Driven Flow." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30406.

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The Cassie-Baxter state is a phenomenon in which a liquid rests on top of a textured surface with a gas layer trapped underneath the liquid layer. This gas layer introduces an effective shear free boundary that induces slip at the liquid-gas interface, allowing for friction reduction in liquid channel flows. Multiple studies have shown that different surface configurations result in different friction reduction characteristics, and most work is aimed at controlling the roughness factor and its shape in order to achieve an increased slip flow. This paper investigates the effects that different
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Gasser, Moamen, Omar Mahmoud, Fatma Ibrahim, and Magdi Abadir. "Using Artificial Intelligence Techniques in Modeling and Predicting the Rheological Behavior of Nano-Based Drilling Fluids." In ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/omae2021-63749.

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Abstract Drilling process is one of the main operations in the extraction of hydrocarbons from petroleum reservoirs. It comes right after the exploration processes. Drilling fluids are necessary for controlling the wells and performing different functions during the drilling operation. They perform many roles in lifting the cuttings from the bottom of the well to the surface and cooling/lubricating the drill pipes and bit. Furthermore, they provide the desired hydrostatic pressure to overbalance pore pressure in addition to produce a thin/impermeable filter cake that can prevent or reduce the
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Su, Junwei, Hamed Esmaeilzadeh, and Hongwei Sun. "Study of Frequency Response of Quartz Crystal Microbalance to Different Wetting States of Micropillar Surfaces." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69550.

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Enhanced wettability, known as superhydrophobicity or superhydrophilicity has drawn extensive attention in the past for wide range potential applications such as superhydrophobic surfaces for self-cleaning, anti-icing, dropwise condensation, and drag reduction. This research focuses on the investigation of the frequency responses of quartz crystal microbalance (QCM) devices coated with micropillars to the different wetting states of drops. A theoretical model was developed to correlate the resonant frequency shifts of QCMs with the penetrated (Wenzel state) and suspended (Cassie state) states
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