viscous and non viscous fluid examples

For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water. We investigate the bounce cosmology induced by inhomogeneous viscous fluids in FRW space-time (non necessarly flat), taking into account the early-time … The premises developed in … The slope of the shear stress versus shear rate graph, which is viscosity, is constant and independent of shear rate in Newtonian fluids. Viscous Fluid 1. A non-Newtonian fluid has, therefore, a simultaneously elastic and viscous nature. Download Presentation & View Webinar Recording. force on it due to viscous stress in the surrounding fluid may be zero. non shear thickening (deformation rate), - In shear thinning (aka psuedoplastic) fluids, the apparent viscosity decreases as the shear stress increases. 3. Damping of large complex structures with non-welded joints, such as airplane wings, exhibit coulomb damping. Statement: Bernoulli’s theorem state that the total energy (pressure energy, P.E. basically, there are seven types of fluid flow which are as follows: Steady and Unsteady Flow; Viscous or Non-viscous Flow; Uniform and Non-Uniform; Laminar and Turbulent; Compressible and In-compressible (4) D. D. Joseph and T. Y. Liao. Viscosity is a measure of the thickness of a fluid, and very gloppy fluids such as motor oil or shampoo are called viscous fluids. Passive of civil Engineering and Materials Application, 4(3), 141- fluid viscous damping systems for seismic energy … Applications range from atomic physics [1, 24] where the methods were first developed, to recent applications in microrhe-ology [13, … Viscous Purple Sherbet Photography/CC-BY 2.0. Chapter 6 – Viscous-Viscoelastic Dampers 2. For example, in a fluid like water, the stresses resulting from the burning of the liquid do not depend on the distance that the fluid was sheared; rather, they depend on how quickly the shears occur. Viscous | Article about viscous by The Free Dictionary Newtonian fluids, for example, don’t change their viscosity when under stress (when a force is applied to them). Potential Flow of Viscous and Viscoelastic Fluids, J. Fluid Mech., 265, 1-23. Viscous is thicker and flows much slower than normal elements. Proof: Consider an incompressible non-viscous liquid entering the cross-section A 1 at A with a velocity v 1 and coming out at a height … Journal [12] Symans, M. D., & Constantinou, M. C. (1998). Viscous friction directly corresponds to the speed at which the fluid flows. "viscous" is basically referring to internal friction in a fluid. Viscous flow occurs at low velocity while non-viscous occurs at higher velocities. It would be great to know the reason for you question. Add a comment if you’d like to refine the thought to get more focused answers. There are lot... processing and related activities. Although the material deals with Newtonian fluids, the concepts can be easily generalized to non-Newtonian fluid mechanics. Honey is more viscous than water, so although gravity creates nearly the same stresses in honey and water, the more viscous fluid flows more slowly. Viscosity is the measure of the thickness of a fluid, & very viscous liquids such as … Difference between Viscous and Non-viscous Flow. Although the material deals with Newtonian fluids, the concepts can be easily generalized to non-Newtonian fluid mechanics. For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water. The fluid that has more flow resistance is referred to as viscous fluid. We model the flow of bi-viscous non-Newtonian fluids in porous media by a square lattice where the links obey a piece-wise linear constitutive equation. For example, a predetermined measured quantity of the viscous damping fluid 38 is simply metered into the journal pocket in the housing and thereafter the eyeball and cover are assembled in place in the usual manner. 2, It embraces fluid mechanics and viscous flow as well as elasticity and shows the relations between these formerly separate fields of physics. Potential Flow of Viscous and Viscoelastic Fluids, J. Fluid Mech., 265, 1-23. The oil is all liquid substance and fat that is obtained after the processing of different … Also presented are some aspects of non-adiabatic viscous atmospheric flows and a few other topics, such as the entrainment of a viscous fluid in a two-dimensional cavity and the laminar boundary layer separation phenomenon near the leading-edge region of an airfoil and on an impulsively started cylinder. Basics of Viscous Forces. • A sealed package containing a total pressure in excess of 1 atm, and leaking into the normal atm.. A sealed package containing a total pressure less than 1 atm, and residing in an environment of 1 atm. One example is liquid helium-4. The Reynolds number is the ratio of inertial forces to viscous forces and is a convenient parameter for predicting if a flow condition will be laminar or turbulent.It can be interpreted that when the viscous forces are dominant (slow flow, low Re), they are sufficient enough to keep all the fluid particles in line, then the flow is laminar. Potential flows of incompressible fluids admit a pressure (Bernoulli) equation when the divergence of the stress is a gradient as in inviscid fluids, viscous fluids, linear viscoelastic fluids and second-order fluids. Full characterization of trends in the dynamic wetting across this suite of fluids would require more carefully controlled fluid properties, especially molecular weight polydispersity. 1994. When you stir a spoon in two glasses, one full of milk and other full of honey, you will find out that honey is more thicker than milk. Hysteretic Behaviour of Linear and Nonlinear Viscous Dampers • Nonlinear Viscous Dampers – Fluid type dampers can be designed to behave as nonlinear viscous elements by adjusting their silicone oil and orificing characteristics. The spin axes of the mantle, fluid core and solid inner core of the Moon precess at frequency Ωp=2π/18.6 yr−1 though with different orientations, leading to viscous friction at … 3, This thin region is known as the viscous sub-layer. An example is flow of honey over a flat plate. piezo-viscous Non-Newtonian is significantly higher than the pressure with iso-viscous Newtonian and iso-viscous Non-Newtonian fluid. In the presence of the phenomenon of superfluidity [math]He-3[/math], one can speak not only of the lowest viscosity, but also of its complete disa... The same cannot be said for non-Newtonian fluids. This paper extends Kolmogorov's theory of turbulent flow of Newtonian fluids to purely viscous non-Newtonian fluids. Viscosity is the ability of substances, especially fluids, to resist flow. • The fluid is non-viscous, there is no internal friction between adjacent layers • The fluid is incompressible, its density is constant • The fluid motion is steady, its velocity, density, and pressure do not change in time • The fluid moves without turbulence The Equation of Continuity The Equation of Continuity (STREAMLINE FLOW) The basic principal of fluid viscous dampers is when dissipation occurs by converting Kinetic Energy (K.E) into Heat Energy the highly viscous fluid moves and deforms. Some examples of highly viscous liquids are oils, honey, glycerin, tar and sulfuric acid. In most cases net outflux of … Viscous and Non-Viscous Flow. Gases and liquids alike are considered fluids and any fluid has a viscosity. https://www.teachengineering.org/lessons/view/cub_surg_lesson03 The two-dimensional boundary layer flow of a non-Newtonian Casson fluid and heat transfer due to an exponentially permeable shrinking sheet with viscous dissipation is investigated. Drop a pebble in a pond or strike a football through the air and neither fluid will become more viscous. The specific intrusive approach uses a combination of polynomial … processing and related activities. Blood, Mercury, Honey are three common examples of Fluids. What are the different types of fluid flow? We find numerically that the flow regime, where the network transitions from all links behaving according to the first linear part of the constitutive equation to all links behaving according to the second linear part of the … An extremely viscous fluid may have properties that make it behave more like a solid than a liquid. Quite simply, a viscous flow is a flow where viscosity is important, while an inviscid flow is a flow where viscosity is not important. It has received attentions from many researchers across the globe due to its numerous applications in the Are you manufacturing viscous liquids? Viscous damping occurs when molecules of a viscous fluid rub together, causing a resistive friction force that is proportional to, and opposing the velocity of an object moving through the fluid. Viscosity quantifies the internal frictional force between adjacent layers of fluid that are in relative motion. Molasses, for example, has a greater viscosity than water.. What are the examples of viscous substances? On the evolution of non-axisymmetric viscous fibres with surface tension, inertia and gravity. Reynolds Number. Though butter does flow at room temperature, it is so resistant to movement that it is difficult to perceive it as a fluid. The viscosity of a fluid is a measure of its resistance to deformation at a given rate. They do not follow Newton’s Law of Viscosity and can resist fluid motion. Many viscous fluids processed in industry exhibit non-Newtonian rheology. 1. When mixed with another material it is useful to make them have more friction, for example Tensile + Viscous to make honey, or making Rigid/Wall less slippery. What foods can thicken the blood? 2. However, a lot of fluids do not follow this formula, and are called Non-Newtonian fluids. Introduction In the various field of engineering and technology, the squeeze film lubrications plays a vital role. Generally, every fluid is viscous but some fluids such as gases like air has very low viscosity that it can be neglected during calculations and ca... Accordingly, the fluids that have no resistance or zero resistance to internal friction are known as non viscous fluids. As a representative example we consider the viscous Burgers’ equation and compare two typical intrusive and non-intrusive uncertainty quantification methods. During non-viscous flow the resistance provided due to viscosity may be so small that it may be neglected. f(t) = −c g(t) sgn(v) (3) Where Plane progressive waves with arbitrary incidence angle are considered in a non … In Viscous Fluid Flow, the authors develop and rationalize the mathematics behind the study of fluid mechanics and examine the flows of Newtonian fluids. For example, the shear stress for a Newtonian fluid with respect to a flat plate is given by Newton's formula: $$ \tau = \mu\frac{\partial u}{\partial y}$$ Where $\mu$ is the dynamic viscosity and $\partial u/\partial y $ is the local shear velocity. Effect of Fluid Viscous Damper parameters on the seismic performance. The material property that measures a fluid's resistance to flowing. Butter is an example of a fluid with a high viscosity. In Figure Ib, we show an example of the extreme patterns that are formed when a less dense, less viscous fluid penetrates a more dense, more viscous fluid immiscible with it when a large Rele-Shaw cell is tipped into a vertical position. An incompressible non-viscous fluid (density δ) flows steadily through a cylindrical pipe which has radius 2 R at point A and radius R at point B(at the same height as A) further along the flow direction. Since viscous friction depends on the velocity gradient, it is also influenced by … Rivlin–Ericksen fluid is a non-Newtonian model pro-posed theoretically by Rivlin and Ericksen in 1955. Session: Mixing of Viscous, Non-Newtonian Fluids. The introduction of viscous forces requires a model to obtain a set of conditions on the flow field to express the viscous stress tensor, τ ij τ i j, as a function of the local velocity field. The viscosity of a fluid is a measure of its resistance to deformation at a given rate. Let v 0 ∈ σ + L 2 (R 2 ) be a divergence-free vector field such that v 3 0 = 0 and rotv h 0 ∈ L ∞ ∩ L a . The objective of this investigation is to derive closed-form partial-wave series expansions for the extrinsic and intrinsic acoustical scattering, extinction and absorption cross-sections of a fluid viscous cylindrical particle of arbitrary geometrical cross-section, located nearby a flat rigid boundary. I think superfluid liquid Helium is pretty close. You can’t really make a fluid non-viscous. You can certainly make it less viscous. Take some cook... Proper understanding of rheological properties such as shear stress, shear strain, and shear rate are … This stress tensor consists of the various stresses that can occur on … Therefore, it means that honey is more viscous than milk. A true "non-viscous" fluid would flow along a solid wall without any slowing down because of friction. Fluid Characteristics. Someone told me one day that compressibility is not a property of the fluid but a property of the flow. It took me time to understand it, but I now... A visually prominent example is the “parachute instability” that develops spontaneously when a bubble rising in a viscous liquid reaches the surface and ruptures . Viscosity quantifies the internal frictional force between adjacent layers of fluid that are in relative motion. In fact, all fluids are non-Newtonian on an appropriate time-scale, though for many common fluids such as air and water the time-scale is extremely short. The optimization objective is to minimize the flow viscous dissipation and maximize the … We show that in potential flow without … Deviations Due to Non-Newtonian Influences Within a Miniature Viscous Disk Pump A miniature viscous disk pump (VDP) is utilized to characterize and quantify non- Phil Ligrani1 Newtonian fluid deviations due to non-Newtonian influences relative to Newtonian flow Oliver L. Parks Endowed Chair behavior. For example, water flows from a tilted jar more quickly and easily than honey does. Sliding friction is a constant value regardless of displacement or velocity. Fundamentals of Fluid Dynamics: Elementary Viscous Flow Introductory Course on Multiphysics Modelling ... For a non-Newtonian fluid the viscosity changes with the applied strain rate (velocity gradient). (For example, when you ride a bicycle at 10 m/s in still air, you feel the air in your face exactly as if you were stationary in a 10-m/s wind.) Viscosity is a measure of the thickness of a fluid, and very sticky fluids viz: motor oil or shampoo are called viscous fluids. Examples of shear thinning fluids include blood, latex paint, and cookie dough. 966. Proceeding: 2021 AIChE Annual Meeting. A moving object in a viscous fluid is equivalent to a stationary object in a flowing fluid stream. The book contains many examples. Non-viscous or turbulent flow is characterized by random, erratic, unpredictable motion of fluid particles which results in eddy currents. Fundamentals of Fluid Dynamics: Elementary Viscous Flow Introductory Course on Multiphysics Modelling ... For a non-Newtonian fluid the viscosity changes with the applied strain rate (velocity gradient). and K.E.) It can also be referred to as the measure of the ability of a liquid to resist being deformed by extensional stress. Non-viscous fluids are classified as fluids that have no resistance or … Viscous is a strange green gel that vaguely resembles toothpaste. The paper studies the two-dimensional roller-type viscous micropumps design problem using a level set based topology optimization method. 2. Computations for the dimensionless radiation torque functions are performed with particular emphasis on varying the angle of incidence, the interparticle distance, and the sizes of the circular particles. Non-viscous means no viscous effect/frictionless; incompressible means the density is constant/invariable. Both properties only exists in theoretic... Viscous flow only exists when (P 1 −P 2) represents a difference in the total pressures.The following examples are conditions where viscous flow could take place. RheoStream® is a process rheometer for real-time measurement of viscosity, shear-thinning, and apparent yield stress in manufacture of viscous, non-Newtonian liquids like paint, ink, detergent, soap, skincare, adhesive, sauces, and … Non-viscous meaning. Contrairement à l'eau, les matériaux d'injection sont habituellement visqueux et se comportent comme des fluides non-Newtoniens. Mass flow rate is the rate of movement of a massive fluid through a unit area. Unlike water, grouts are usually viscous and behave as non-Newtonian fluids. Numerical examples illustrate the analysis for two fluid viscous circular cylindrical cross-sections immersed in a non-viscous fluid. We model the flow of bi-viscous non-Newtonian fluids in porous media by a square lattice where the links obey a piece-wise linear constitutive equation. This can make it very difficult to mix the entire contents of a vessel as the motion created by the mixer can quickly diminish. A viscous fluid (think molasses in January!) (For example, when you ride a bicycle at 10 m/s in still air, you feel the air in your face exactly as if you were stationary in a 10-m/s wind.) We show that in potential flow without … CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Linear response theory of thermal fluctuations or driven motion of trac-ers provides a basis for exploring viscous, elastic and compressible proper-ties of condensed matter. We see ‘fluid definition’ a lot many times; however, ‘fluid’ is used in everyday life and is understood with some of its characteristics. Viscosty is a measure of a fluid’s internal resistance to flow. Water, milk and blood, with viscosities of 1 cP, 3 cP and 10 cP at room temperature... Effective Rheology of Bi-viscous Non-newtonian Fluids in Porous ... For example, inertial effects can be described as a rheological change from a Newtonian fluid to a … ½ cup of cooked kale (531 mcg) ½ cup of cooked spinach (444 mcg) ½ cup of cooked collard greens (418 mcg) 1 cup of cooked broccoli (220 mcg) 1 cup of cooked brussels sprouts (219 mcg) 1 cup of raw collard greens (184 mcg) 1 cup of raw spinach (145 mcg) Viscous or Non-viscous Flow. A moving object in a viscous fluid is equivalent to a stationary object in a flowing fluid stream. Non-Newtonian effects in viscous flows. As a result, non-Newtonian fluids may not have a well-defined viscosity. (4) D. D. Joseph and T. Y. Liao. For example, a predetermined measured quantity of the viscous damping fluid 38 is simply metered into the journal pocket in the housing and thereafter the eyeball and cover are assembled in place in the usual manner. Mixing Non-Newtonian Fluids. ... We consider the free boundary problem for the evolution of a nearly straight slender fibre of viscous fluid. What are 3 examples of fluids? In my interpretation of your wording, this would make it seem like a thinner liquid than water. The answer to the title question is yes, it is possible for the flow to be irrotational if there are nonzero viscous forces acting on fluid. With the exception of super-fluids (e.g. He) near absolute zero, fluids made of particles such as molecules or atoms which are in constant thermal... As an example, let us consider a simple yet physically meaningful example of such flow: radial, spherically symmetric flow in a viscous incompressible fluid (without gravity). The material property that measures a fluid's resistance to flowing. – Main advantage of nonlinear viscous dampers is that in Counterintuitively, it also acts as a decent lubricant because it gets stuck where it is … 1994. Non-viscous fluids are classified as fluids that have no resistance or … Viscosity is a fluid factor, that is the degree of the amount of resistance between the fluid layers. Superfluids are non viscous. Abstract. OSTI.GOV Journal Article: Non-Newtonian effects in viscous flows. Heating butter will cause it to become noticeably less viscous. Some examples of highly viscous liquids are oils, honey, glycerin, tar and sulfuric acid. Viscosity is the ability of substances, especially fluids, to resist flow. In this case both gravity and viscosity are important forces in driving the instability. Using similarity transformations, the governing momentum and energy equations are transformed to self-similar nonlinear ODEs and then those are solved numerically by very … As a result, non-Newtonian fluids may not have a well-defined viscosity. Viscosity, resistance of a fluid (liquid or gas) to a change in shape, or movement of neighbouring portions relative to one another.Viscosity denotes opposition to flow. The pressure and viscous work done on solid = pressure and viscous work done on fluid and vice versa, which are equivalent to separate dE/dt for solid which includes = + + and fluid which only includes = + . • The fluid is non-viscous, there is no internal friction between adjacent layers • The fluid is incompressible, its density is constant • The fluid motion is steady, its velocity, density, and pressure do not change in time • The fluid moves without turbulence The Equation of Continuity The Equation of Continuity (STREAMLINE FLOW) Abstract. If the velocity and pressure at point A are v and P, respectively, find the pressure at B. Some very viscous materials (often those with viscosities above 1,000 cP) exhibit non-Newtonian behavior. If the fluid is viscous, hyaluronidase lyophilized powder should be used to treat a portion of the viscous fluid for cell counts. Liquid flow can be viscous or non-viscous. Viscosity is a measure of the thickness of a fluid, and very sticky fluids viz: motor oil or shampoo are called viscous fluids. We see ‘fluid definition’ a lot many times; however, ‘fluid’ is used in everyday life and is understood with some of its characteristics. We can conveniently characterize damping mechanisms of these types by the force equation. For example, water flows from a tilted jar more quickly and easily than honey does. 4, Hence the viscous dissipation is associated with high wavenumbers; i.e. below (for a Newtonian fluid the apparent viscosity remains constant). it is brought about by small eddies. Introduction. Bipolar and Non-Newtonian Viscous Fluid FlowReservoir Analysis and Parameter Estimation Constrained to Temperature, Pressure and Flowrate HistoriesFundamental Mechanics of Fluids, Fourth EditionPolymer ChemistryRotating Fluids in Engineering and ScienceHandbook of Mathematical Fluid Dynamics These industries include paints, personal products such as shampoo and detergents and food … We consider a stochastic analysis of non-linear viscous fluid flow problems with smooth and sharp gradients in stochastic space. 1. between the fluids. Honey is more viscous than water, so although gravity creates nearly the same stresses in honey and water, the more viscous fluid flows more slowly. Choose β ∈]0,1 [, then k (ε)lessorequalslantexp ( (lnε −1 ) β ), and suppose that u 0,ε = ρ k (ε) ∗ v 0 + φ 0,ε , with bardblφ 0,ε bardbl H s+7/2 lessorsimilarε −α for some α<1/24 and s ∈]0,1 [. Cengel fluid mechanics 6 edition.PDF - Free Download PDF Ebook Synovial fluid, also called synovia, is a viscous, non-Newtonian fluid found in the cavities of synovial joints.With its egg white–like consistency, the principal role of synovial fluid is to reduce friction between the articular cartilage of synovial joints during movement. (a) t, (b) ÷ I I I ( x ~1 FIG. Turbulent flow is defined as the flow in which the system's inertial forces are dominant over the viscous forces. 41,847. A substance that would be referred to as a viscous fluid resists movement to some extent. This means that the fluid does not flow, or flows very slowly when a force, such as gravity is applied to it. It also means that it resists the movement of an object through it. Liquid flow can be viscous or non-viscous. I did a search for "table of viscosity values" and this was the second link: Viscosity Values Chart [ http://www.innocalsolutions.com/tiarticles/ti... Fluid Flow Equation. has a lot of friction- even parts of the fluid itself, flowing at different rates, will have friction between them. 3.1.2 Viscous: Newtonian Versus Non-Newtonian Fluids Fluids that follow Newton's law of viscosity are called Newtonian fluids. Potential flows of incompressible fluids admit a pressure (Bernoulli) equation when the divergence of the stress is a gradient as in inviscid fluids, viscous fluids, linear viscoelastic fluids and second-order fluids. An example of a non-viscous liquid would be alcohol; a viscous liquid (the opposite) would be maple syrup. A non viscous fluid is the fluid which has no viscosity i.e no resistance to its flow or internal friction. This means they flow without any loss of kinetic energy. Superfluids : .These fluids have the property to flow endlessly without any energy loss. Most fluids, including liquids, are viscous. Full Record; Other Related Research of an incompressible non-viscous liquid in steady flow remain constant throughout the flow of the liquid \(P\,+ρgh\,+\frac{1}{2}ρv^2\) = constant. Almost all fluids are viscous in nature. Viscous or Non-Viscous Flow The fluid flow can be vicious or non-viscous. Viscosity is a fluid factor, that is the degree of the amount of resistance between the fluid layers. Group: Annual Student Conference. The distance between the two contact surfaces makes a huge contribution to the Coulomb friction. s at 25C, the viscosity of acetone is 3.06×10−4 at 25C. Time: Saturday, November 6, 2021 - 2:40pm-3:25pm. Reciprocal body motion in (a) a 3 D- 4, ~t non-viscous system; effective distance tra- veiled = x, and (b) a viscous system, effective distance travelled = 0. Oils, water, and most liquids that contain more than 90% water such as tea, coffee, beer, wine, carbonated … In viscous flow, fluid moves in adjacent layers without slip. Flow behavior of complex fluids is traditionally characterized through the distinction between Newtonian and non-Newtonian based on each fluid's viscosity dependence on the rate of deformation and the rate of shear rate. Add your answer and earn points. The fluid that has more flow resistance is referred to as viscous fluid. The reciprocal of the viscosity is called the fluidity, a measure of the ease of flow. Oil. The objective of this investigation is to derive closed-form partial-wave series expansions for the extrinsic and intrinsic acoustical scattering, extinction and absorption cross-sections of a fluid viscous cylindrical particle of arbitrary geometrical cross-section, located nearby a flat rigid boundary. These are called viscous stress. Dashed line represents In Viscous Fluid Flow, the authors develop and rationalize the mathematics behind the study of fluid mechanics and examine the flows of Newtonian fluids. The book contains many examples. Low viscous meaning. Plane progressive waves with arbitrary incidence angle are considered in a non … Instabilities associated with the intrusion of a less viscous fluid into a more viscous fluid have been known to occur in numerous natural and industrial settings, following the seminal work of Saffman & Taylor (Reference Saffman and Taylor 1958).Notable examples of related phenomena include the oil recovery industry (Orr & Taber Reference Orr and Taber … Examples of non viscous liquid - 21898582 pibenegbu8 pibenegbu8 03/01/2021 Physics High School answered Examples of non viscous liquid 1 See answer Advertisement Advertisement pibenegbu8 is waiting for your help. nonviscous: [adjective] not having or characterized by viscosity : not viscous. During Viscous flow the resistance provided due to viscosity is considerable. The flow in the viscous micropumps is considered as non-Newtonian flow approximated by the power-law constitutive model. Liquid flow can be viscous or non-viscous. Conceptually, the Reynolds number is the ratio between inertial forces and viscous forces. Coulomb damping is mechanical damping that absorbs energy by sliding friction, as opposed to viscous damping, which absorbs energy in fluid, or viscous, friction. A non viscous fluid is the fluid which has no viscosity i.e no resistance to its flow or internal friction. This means they flow without any loss o... This kind of fluid exhibits both viscous and elastic charac-teristics, hence it is categorized as viscoelastic fluid. For example, in figure 17 we see a fluid that is more viscous, H-300, deviates less from the Newtonian result than a less viscous fluid, H-35.

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viscous and non viscous fluid examples