1. Identify each of the following statements as either true or false. If false‚ explain why. (a) Viscosity is a measure of how easily a fluid flows. (b) Although important‚ fluids are not essential to many living things. (c) A meniscus forms when water particles adhere to the sides of their container. (d) Buoyancy‚ like water pressure‚ acts in all directions. 2. Describe the relationship between mass‚ volume‚ and density of matter. 3. Use the particle theory to explain the differences between
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Fluid properties influence all three components of recovery efficiency. 1. Viscosities are found in the definition of mobility ratio‚ which affects areal and vertical sweep efficiency‚ including viscous fingering. 2. Phase densities define the degree of gravity segregation‚ which in turn affects vertical sweep efficiency by gravity bypassing (tonguing) in gravity-dominated processes. 3. Interfacial tensions‚ viscosities‚ inter-phase mass transfer (i.e. vaporization and condensation)‚ and miscibility
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fluid properties: i. Mass density ii. Specific weight iii. Relative density iv. Dynamic viscosity v. Kinematic viscosity INTRODUCTION Fluid Mechanics Gas Liquids Statics i F 0 F 0 i Laminar/ Turbulent Dynamics ‚ Flows Compressible/ Incompressible Air‚ He‚ Ar‚ N2‚ etc. Water‚ Oils‚ Alcohols‚ etc. Stability Pressure Buoyancy Surface Tension Compressibility Density Viscosity Vapor Pressure Steady/Unsteady Viscous/Inviscid Fluid Dynamics: Chapter 1: Chapter
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1) Define Viscosity. It is a measure of fluidity of the system. Many fluids undergo continuous deformation with the application of shearing stress. 2) Define Newtonian fluids If the force flow relation is linear then the fluid is Newtonian . 3) Define Non Newtonian fluids If the force flow relation is non linear then the fluid is Newtonian . 4) Define Kinematic Viscosity. Ratio of absolute viscosity to the density of the fluid. V= µ cm2 /ς sec 5) Define Specific Viscosity. Ratio of absolute
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questions refer to Activity 2: Studying the Effect of Viscosity on Fluid Flow. 5. At what viscosity level was the fluid flow rate the highest? 1.0 6. Describe the relationship between flow rate and viscosity. The relationship is inversed; meaning a fluid that has a high viscosity has a slow flow because it resists the flow. Fluid that has a low viscosity will flow faster because it is less resistance to the flow. 7. Was the effect of viscosity greater or less than the effect of radius on fluid
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FUEL OIL BURNERS By Mark Butterfield March 09 INTRODUCTION The history of burners dates back to the early shipping days‚ when fuel oil first started replacing coal as the ships’ primary fuel source. Since then‚ burner designs and construction have come a long way‚ but the principles behind their operation has remained the same. All makes and types of burners have two things in common They need to atomise the fuel They need to mix the fuel with the air needed for combustion
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factor affecting the viscosity of a mixture of liquid Research Question The effect of hydrogen bonding on resisting flow of five different liquids Background Theory Viscosity is the resistance of a fluid to flow‚ either within itself‚ or to moving past an objects moving through it. A liquid with high viscosity is thick and flows slowly. A liquid with a low viscosity is thin and flows quickly. Different liquids have different viscosities. Factors‚ which affect viscosity of a liquid‚ are:
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TABLE OF CONTENT NO. | CONTENT | PAGE | 1. | Title | 2 | 2. | Theory | 2 | 3. | Introduction | 2 | 4. | Objective | 3 | 5. | Apparatus | 3 | 6. | Procedure | 4 | 7. | Result | 6 | 8. | Calculation | 10 | 9. | Discussion | 13 | 10. | Conclusion | 14 | 11. | References | 14 | TITLE: H1 – Osborne Reynolds Demonstration INTRODUCTION: Osborne Reynold’s Demonstration has been designed for students experiment on the laminar‚ transition and turbulent flow. It consists of a transparent
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77(9)‚ pp. 119-124. Yu‚ C.J.‚ & Crossley‚ B.R. 1994. Fundamental study of screening hydraulics. Part 3: Model for calculating effective open area. TAPPI Journal 77(9)‚ pp. 125131. Zhao‚ RH.‚ & Kerekes‚ R.J. 1993. The effect of suspending liquid viscosity on fiber flocculation. TAPPI Journal 76(2)‚ pp. 183-188. Ämmälä‚ A. 1997-2000. Fractionation of thermomechanical pulp in pressure screening. University of Oulu. Department of Process and Environmental Engineering. Master’s Thesis. 23
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conductivity and thermal diffusivity. When considering the heating or cooling of foods‚ some other physical properties must be considered because of their intrinsic relationship with the ‘‘pure’’ thermal properties mentioned‚ such as density and viscosity. Therefore‚ a group of thermal and related properties‚ known as thermophysical properties‚ provide a powerful tool for design and prediction of heat transfer operation during handling‚ processing‚ canning‚ and distribution of foods (Fig. 4.1).
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