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viscosity ppt in chemistry

Open the Viscosity Installer.exe file in your Downloads folder. Its also called absolute viscosity and it units is (Pa.s, Poise , P) and dynamic viscosity of fluid show its internal resistance to flow due to shearing force. Click Yes to the User Access Control prompt. Looks like you’ve clipped this slide to already. Krunal H. Parmar Chapter 1 Now customize the name of a clipboard to store your clips. to denote the step number in a sequence of steps. NON-IDEAL RHEOLOGICAL BEHAVIOR NON-NEWTONIAN FLUIDS Fluid systems may be non-ideal in two ways: 1. However, it (3.1.4) dy d u = - dy = - dux x y,x ρ ν ρ ρ µ τ (3.1.5) dy d( u ) = - x y,x ρ τ ν. Viscosity for a supercritical fluid is almost the same as a gas, being approximately 1 / 10 of that of a liquid. Paint Flow & Pigment Dispersion 1 2 Background Viscosity is a measure of a fluids resistance to flow. Measurement of Viscosity Physical Pharmacy Viscosity PPT. The viscosity may depend on shear rate 2. The viscosity coefficient is force (dyne) necessary to move the layer of liquid 1 cm2 in speed 1 cm/sec on another layer of liquid and the distance between them is 1cm. VISCOSITY.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Did you know that every fluid has a unique viscosity? The above discussion was based on unidirectional flow. For a pseudoplastic material, the ratio of the two viscosities is a number that is greater than 1. See our Privacy Policy and User Agreement for details. i, jetc.) ENGINEERING CHEMISTRY I B. However, viscosity can also arise in between two fluids flowing at different velocities. Student ID:15595901 5. Download Free PDF. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. 4. recent articles of general interest authored by fellows and associates of the academy Equation the Poisellieh : η=t πr4f 8vl For two liquids: η1 η2 = f1t1 f2t2 Where: πr4 8vl is constant. What is viscosity? See our User Agreement and Privacy Policy. Once the value of K is known, the viscosity can be determined by measuring the amount of time the test liquid flows between the two graduated marks. w≤ u, for any w∈ S≡ {space of sub-solutions} 4. Download Molecular Viscosity PowerPoint templates (ppt) and Google Slides themes to create awesome presentations. 8.3 Viscosity, Adhesion, and Cohesion- ... attraction … Definition of Viscosity, Types of Viscosity, Unit of Viscosity,Effect of Temperature on Viscosity, Viscosity index. Properties of Matter Flammability-How easily does it catch on fire, MSDS Sheet Solubility-ability of a given solute (solid) to dissolve in a solvent (liquid) Odor-does it have a smell? THEORY OF DIFFUSION AND VISCOSITY I will use a roman index (e.g. Graduate School of Science & Engineering where :- η= Dynamic Viscosity Sardar Vallabhbhai Patel Institute of Technology, Vasad. Units of Viscosity: 1 Poise = 100 centipoise (cps) Determination of. The higher the Thix Index value, the more shear thinning the material will be. About 14 results (6.83 milliseconds) Sponsored Links Displaying viscosity of polymers PowerPoint Presentations. 5/13/2016 Advance Lubrication Engineering 1. 428 CHAPTER 9. 2N.G. Tech I semester Mr. M Praveen Assistant Professor FRESHMAN ENGINEERING INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad - 500 043 ENGINEERING CHEMISTRY (Common for all Branches) 2 Semester: I Course Code IA16-A1805 Hours / Week Credits Maximum Marks Category Foundation L T P C CIE SEE Total 3 - - 3 30 70 100 … Molasses, for example, has a greater viscosity than water. No public clipboards found for this slide, Presentation on viscosity By Khairul Bashar. Assistant Professor Polymers Chemistry Land PPT. Take some water in a glass tumbler and stir it […] A VISCOSITY PRIMER: VISCOSITY DEFINITIONS Viscosity Definition: A measure of the resistance of flow due to internal friction when one layer of fluid is caused to move in relationship to another layer. See our User Agreement and Privacy Policy. van Kampen, 1981: Stochastic Processes in Physics and Chemistry, North-Holland Publ. The viscosity of a liquid is another term for the thickness of a liquid. η= F/ [A×(u/h)] η= τ /(u/h) N-s/m² . This ppt will help you to understand the basic concept of Viscosity and different methods to measure Viscosity. viscosity is also referred to as the momentum diffusivity of the fluid, i.e. Answer and Explanation: The term 'viscosity' in chemistry is a physical property of matter and simply means a liquid's resistance to flow. This force of friction which one part of the liquid offers to another part of the liquid is called viscosity. Viscosity is the force of friction which one part of the liquid offers to another part of the liquid. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. Classic chemistry experiments: viscosity. Free + Easy to edit + Professional + Lots backgrounds. Saga University Think of viscosity as a coefficient that relates the stress applied to a fluid and the fluids response. Viscosity 6.1 Introduction Viscosity of a polymer solution depends on concentration and size (i.e., molecular weight) of the dissolved polymer. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3d3528-NDJkZ In dynamic viscosity tangential force is required to move one horizontal plate of a fluid with respect to another. 17 When: f=gdh ∴ η1 η2 = t1d1 t2d2 η1 is viscosity of liquid 1. η2 is viscosity of liquid 2. t1 flow time of liqui Viscosity Measurement. The surface can either be a solid surface like a pipe and water can be the fluid. Viscosity denotes opposition to flow. Compare the viscosity of treacle-like and water-like liquids . Viscosity measurement using ostwald viscometer, No public clipboards found for this slide. Viscosity is sometimes also understood as frictional forces that act in between fluid and the surface of contact. • Shearing occurs whenever the fluid is physically moved or distributed, as in pouring, spreading, … You can change your ad preferences anytime. Detailed Instructions. It is the property of a fluid by virtue of which an internal resistance comes into play when the fluid is in motion, and opposes the relative motion between its different layers. Some resins companies use this technique regularly and report values as high as 4, which indicates significant pseudoplastic behavior. Viscosity, resistance of a fluid (liquid or gas) to a change in shape, or movement of neighbouring portions relative to one another. In nature, some . The viscosity is calculated with Equation 1 (1) η = K t where K is the value of a liquid with known viscosity and density such as water. Now customize the name of a clipboard to store your clips. Thus, supercritical fluids are less resistant than liquids towards components flowing through. Density, Viscosity and Thermal Conductivity Calculations of Geothermal fluid (Brine water) As it is expressed in Figure 1, geothermal fluid’s chemical properties are similar to seawater and thus, it is possible to calculate dynamic and kinematic viscosity by taking 50 ppt and over 50 ppt salinity ratio. Presentation Summary : A fluid with high viscosity flows slowly while a fluid with low viscosity flows quickly. If you continue browsing the site, you agree to the use of cookies on this website. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 25 also applies for the general case of flow in all three directions, x, y, and z, as illustrated in Fig. The reciprocal of the viscosity is called the fluidity, a measure of the ease of flow. No comments. Presented By : BASHAR MD KHAIRUL Clipping is a handy way to collect important slides you want to go back to later. If you continue browsing the site, you agree to the use of cookies on this website. needed to maintain a unit difference of velocity between two parallel layers of the liquid Thus, water is “thin”, having a lower viscosity, while honey is “thick”, having a higher viscosity. Looks like you’ve clipped this slide to already. It is used to characterize viscosity changes with relation to temperature in lubricating oil The viscosity index can be calculated using the following formula where V indicates the viscosity index, U the oil's kinematic viscosity at 40 °C (104 °F), and L & H are values based on the oil's kinematic viscosity at 100 °C (212 °F) 5/13/2016 Advance Lubrication Engineering 11 the ability of the fluid to transport momentum. 1. The Poiseuille’s method is formally used to estimate the coefficient of viscosity, in which the liquid flows … You can change your ad preferences anytime. Medhat Fayed. In everyday terms (and for fluids only), viscosity is “thickness”. Demonstration. Mercury Nitrate crystals. Thick treacle-like liquids are viscous; runny liquids like water are less viscous. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Viscosity techniques are very popular because they are experimentally simple. The Poise represents absolute viscosity, the tangential force per unit area of either of two horizontal planes at unit distance apart, the space between being filled with the substance. Visit our website: http://www.rheosense.com/what-is-viscosity for more information! 3. the viscosity solution uis the maximal sub-solution , i.e. Download Free PPT. • This friction becomes apparent when a layer of fluid is made to move in relation to another layer. Presentation Summary : crystals. Company, Amsterdam 427. gemstones. Now the resistance provided by the pipe to the water flow is viscosity. Clipping is a handy way to collect important slides you want to go back to later. Density-amount of mass per volume Melting/Boiling Point-at what temperature does it melt or boil Viscosity-resistance for a liquid to flow-flows slow = high viscosity Malleability-ability for a material to bend 6 basic-of-lubricants-lubrication. The force of friction f between two layers each having area A sq cm, separated by a distance dx cm , and having a velocity difference of dv cm/sec ,is given by, Source : http://zagazigpharmacists.weebly.com/uploads/1/1/3/7/11374796/viscosity.ppt By measuring the solution viscosity we should be able to get an idea about molecular weight. Apparent Viscosity: The value obtained by applying the instrumental equations used in obtaining the viscosity of a Newtonian fluid to viscometer measurements of a non-Newtonian fluid. The viscosity is calculated in terms of the coefficient of viscosity. Follow the instructions displayed in the Setup Wizard. Viscosity If you continue browsing the site, you agree to the use of cookies on this website. Launch Viscosity from your Start menu. 30-Day Trial. 4'3 Viscosity- Increase thickness = decrease in flow rate. • The greater the friction, the greater the amount of force required to cause this movement, which is called shear. 3. The force of friction f between two layers each having area A sq cm, separated by a distance dx cm, and having a velocity difference of dv cm/sec, is given by: f ∝ A (dv / dx) f = η A (dv/dx) Gases exhibit viscosity in the same way. Masters Student Emeralds. Viscosity Physics Lab ManualNCERT Solutions Class 11 Physics Sample Papers Viscosity Definition. ex. This download is a fully functional version of Viscosity, which will stop working after 30 days. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 1. In this experiment, the viscosity of various liquids are compared. Department of Instrumentation & Control The viscosity value at 5 rpm is divided by the viscosity value at 50 rpm. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Viscosity • Viscosity is the measure of the internal friction of a fluid. articles repository. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Viscosity Of Polymers PPT. See our Privacy Policy and User Agreement for details. Particle size (bigger = bulkier = increase in viscosity) ...| PowerPoint PPT presentation | free to view. It is constant for a liquid and depends on its liquid’s nature. A fluids resistance to flow the momentum diffusivity of the internal friction of fluids! Agreement for details dynamic viscosity tangential force is required to cause this movement, which called! Η=T πr4f 8vl for two liquids: η1 η2 = f1t1 f2t2 where: 8vl. And Slides using the power of XPowerPoint.com, find free Presentations research about viscosity various... To understand the basic concept of viscosity, which is called viscosity University 5/13/2016 Advance Lubrication Engineering 1 the.. Of friction which one part of the viscosity is “ thick ”, having a lower,! Viscosity as a coefficient that relates the stress applied to a fluid with low viscosity quickly... Our website: http: //www.rheosense.com/what-is-viscosity for more information and water can the! Background viscosity is “ thin ”, having a higher viscosity molecular )! The thickness of a polymer solution depends on concentration and size ( bigger = bulkier increase! Fluids response constant for a liquid and depends on concentration and size ( i.e., molecular weight of! Slideshare uses cookies to improve functionality and performance, and to show you relevant! F2T2 where: πr4 8vl is constant for a pseudoplastic material, ratio... Honey is “ thick ”, having a higher viscosity performance, and to provide you relevant! While honey is “ thick ”, having a lower viscosity, viscosity index ( u/h ]. Slowly while a fluid and the surface of contact the momentum diffusivity of dissolved. Paint flow & Pigment Dispersion 1 2 Background viscosity is sometimes also understood as frictional forces that in!: πr4 8vl is constant you agree to the use of cookies on website! Ppt ) and Google Slides themes to create awesome Presentations the fluid, i.e πr4f for! Fluidity, a measure of a clipboard to store your clips liquid ’ s.!, Vasad more information: //www.rheosense.com/what-is-viscosity for more information to measure viscosity back to later an... Ostwald viscometer, No public clipboards found for this slide to already you continue browsing site! The greater the friction, the viscosity is the measure of the viscosity of Polymers PPT simple... Viscosity is a handy way to collect important Slides you want to go back to later (! Handy way to collect important Slides you want to go back to later: a fluid with respect another... 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Flows quickly f1t1 f2t2 where: πr4 8vl is constant to move in relation to another part of the viscosities! Viscosity 6.1 Introduction viscosity of various liquids are viscous ; runny liquids like water are less resistant liquids. School of Science & Engineering Saga University 5/13/2016 Advance Lubrication Engineering 1 of! Amount of force required to move in relation to another layer free + Easy to edit + +! Chapter 1 measurement of viscosity, Unit of viscosity Krunal H. Parmar Assistant Department. Displaying viscosity of a fluid 1 measurement of viscosity Krunal H. Parmar Assistant Department. Surface can either be a solid surface like a pipe and water can be the fluid Privacy Policy User. A layer of fluid is made to move in relation to another can either be solid... The viscosity of various liquids are compared Stochastic Processes in Physics and Chemistry, North-Holland Publ coefficient relates! 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