Calculations:We apply relationship (1) to find the viscosity value of distilled water andthe viscosity value of ethanol alcohol.Discussion:1- Define viscosity? What is the unit of measurement?2- Discuss the factors that depend on viscosity, relying on the basic formula.3- What is the effect of temperature on viscosity?4- Discuss the results obtained.5- Why is oil used to lubricate and lubricate cars?6- Can this method be used to find the viscosity of the remaining liquids?dyne sec7- Prove that (1 poise =cm?8- If a liquid has an amount of viscosity (0.0048 poise) Calculate thesternum of the sternum affected by it due to an external force if you knowthat the distribution of linear velocity is subject to the relationship u =15 y + 2(Take advantage of the following relationship of Shear stress)9- It flows (10 cm) of olive oil during a capillary tube (2 cm in length(0.04 mm in diameter) If the height of the olive oil in the capillary tube (2.5cm), calculate the time of the olive oil flow into the capillary tube, if youknow that the viscosity of the oil (n oil = 0.18 N .sec/m? ) density of oil(0.918 gm?cm10- Find the height of blood in the capillary tube resulting from the additionof (10 cm) of blood in a capillary tube of length (2.7 cm) and diameter (0.05mm), knowing that the time of blood flow in the tube (5 sec) and theviscosity of the blood (2.3x10 pas.sec) and density of blood (1.051 .)?cm3II

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Description: Calculations:We apply relationship (1) to find the viscosity value of distilled water andthe viscosity value of ethanol alcohol.Discussion:1- Define viscosity? What is the unit of measurement?2- Discuss the factors that depend on viscosity, relying

1) Viscosity is a property of fluids like liquids and gases. Imagine two successive layers of a…

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1- Define viscosity? What is the unit of measurement?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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1. Dimensional Analysis of Fluid Flow in a Pipe Consider fluid flow in a long cylindrical pipe of diameter D. A fluid with viscosity i and density p flows through the pipe with an average velocity of V. The internal surface of the pipe is rough, with the average height of the roughness being h. We wish to determine how the pressure gradient dp/dz depends on the properties of the system through dimensionless groups. (a) Identify the relevant parameters and their dimensions. (b) Determine the number of relevant non-dimensional groups. (c) Select the dimensionally-independent scaling variables. (d) Determine the dimensionless group that relates dp/dz to the other relevant dimen- sionless groups.
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1
For numbers 1-3, only choose one correct answer. No need for explanation. 1. Pressure exists whenaforce is _______ to the area which it is applied. A. parallell B. the same direction C. perpendicular D.all are correct 2. People drown in oceans because of ____. A. their heavy mass B. a change in mass C. a change in density D. their density 3. What principle can best explain how an airplane lifts off? A. Pascal's Law B. Archimedes' principle C. elasticity of materials D. Bermoulli's principle
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3. A very fine fabric 0.020 mm in diameter can support a 28 g object. How does the stress in the fabric compare with the ultimate strength in tension of copper. *
3. Describe how viscosity is measured in an Ostwald Viscosimeter and Falling Sphere Viscometer?
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2. Casson model was discussed in class in the context of blood rheology. This phenomenological model is often used to describe the shear stress vs. shear rate relationship in colloidal suspensions where particle aggregation might cause the measured viscosity to increase at low shear rates. In an experiment, data for the shear stress rand the applied shear rate S were fitted to the Casson model written below (in a slightly different form compared to that given in the lecture notes): √t=√₁+√as. (1) The best least square fit parameters to the experimental data were found to be 40 mPa for the yield stress and 2.5 mPas for the parameter a, which is referred to as the plastic viscosity. a. Using Eq. (1), derive an expression for the fluid viscosity u as a function of S. b. Plot the viscosity of the fluid as a function of S for 0.1s¹
3. A large piston with an area of 9.75 m² exerts a force of 525 N. What force does the small piston exert if it has an area of 2.75 m²? Conceptual Physics Reading and Study Workbook I Chapter 19