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A measure of the frictional forces between the layers of a fluid producing resistance to flow. Highly viscous fluids flow slowly.
The velocity increases rapidly from the wall inward for a low- viscosity fluid but more gradually for a high-viscosity fluid
Viscosity of Common Liquids LiquidViscosity [N s/m 2 ] Gasoline600 Water1000 Milk1200 Beer1800 Olive Oil40,000 #10 Motor Oil500,000 Pancake Syrup2,500,000 Molasses7,300,000 Honey10,000,000 Ketchup50,000,000 Peanut Butter250,000,000
Peanut Butter: a fluid?
Tar or Pitch Extremely viscous. Heated and put into a funnel in 1930 In 2002, the eighth drop was still hanging from the funnel.
Properties of Fluids Viscosity SCI 8: Fluids Unit Curriculum Outcomes Addressed - Design an experiment to test the viscosity of various common fluids and.
Magma’s Viscosity (determines volcano type). What is viscosity? Science Definition – a fluid’s ability to resist flowing Easy Definition – a fluid’s thickness/stickiness.
L 15 Fluids  Fluid flow and Bernoulli’s principle Airplanes and curveballs viscosity surface tension.
L 15 Fluids  > Fluid flow and Bernoulli’s principle > Airplanes and curveballs > viscosity > surface tension.
L 15 Fluids - 4 Fluid flow and Bernoulli’s principle Airplanes and curveballs Properties of “real fluids” viscosity surface tension 1.
Viscosity is the quantity that describes a fluid's resistance to flow. It exists in both liquids and gases and is essentially a friction force between.
Fluid Resistance. Objectives Define drag Explain the difference between laminar and turbulent flow. Explain the difference between frictional drag and.
Topic 4: Flow Rate & Viscosity. Viscosity – how quickly fluid flow The thicker the fluid is the more viscous it is, it has a higher viscosity. Orange.
Temperature has a big effect on viscosity Ex: When you put syrup on pancakes, it will flow easier Hot lava that reaches the ocean Olive oil in the fridge.
L 15 Fluids  >Fluid flow and Bernoulli’s principle >Airplanes and curveballs >viscosity (real fluids)
Experiment (1) B) Determination of Absolute and Relative viscosities of ethanol.
Viscosity and the real world BLM A straw that is served with a soft drink is usually different from a straw served with a milkshake. Explain.
7.2 Notes. The resistance of a liquid to flowing. Because liquids differ in viscosity, some liquids flow more easily than others.
Done by: Sean Lee 3S2-12 Kenneth Leong 3S3-05 Yong Sheng 3S3-22.
Viscous Fluids. Viscosity is how engineers measure the resistance of fluids when being deformed: τ = μ (du/dy) The less viscous the fluid, the greater.
Topic: 6: Fluids - Prepared by Shakil Raiman. 6.1 Density Density is defined as mass per unit volume Unit: Kg/m 3.
Resistance in Fluid Systems 4.2. Drag The force that opposes the motion when a solid object moves through a fluid Occurs only when there is relative movement.
Resistance in Fluid Systems Mr. Andracke Principles of Technology.
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Chute-ing Among the Stars. What is a parachute? How does a parachute operate? Where have you seen a parachute deployed?
TEXTBOOK QUESTIONS PAGE 277, QUESTIONS 1 & 4 PAGE 280, QUESTIONS 1-4 PAGE 281, QUESTION 4.
UNIT 2: Fluids & Viscosity Grade 8 Science Chapters 7, 8 and 9.
PLEASE TAKE OUT YOUR HOMEWORK. Friction - a force that opposes motion, or “pushes back” when two surfaces are touching. It’s always around and it affects.
Solids Definite shape - a solid will remain in that shape Definite volume - it will not expand.
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Resistance in Fluid Systems. Objectives Define drag Explain the difference between laminar and turbulent flow. Explain the difference between frictional.
Ch. 8.3: Viscosity, Adhesion, and Cohesion. What is Viscosity? Viscosity: The resistance of a fluid to flow. The slower a fluid flows, the greater the.
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Chapter 4.2 Notes Resistance in Fluids. When one solid object slides against another, a force of friction opposes the motion. When one solid object.
Density. Ratio of mass to volume Formula D = M V Units in chemistry are g/mL or g/cm 3 Is a physical property so we can use it to ▫identify substances.
Pharos University Fluid Mechanics For Electrical Students Dr. A. Shibl.
1 Coefficient of viscosity, η Before we can define the coefficient of viscosity, we need to look at viscosity in more detail. What causes viscosity in.
TEK I. 7A – investigate and identify properties of fluids including.
Foundations of Physical Science Workshop: Viscosity of Fluids.
DENSITY. There are three phases of matter: solid liquid gas.
Magma. Composition of Magma Slushy mix of molten rock, gases, and mineral crystals Elements in magma include: Oxygen, Silicon, Aluminum, Iron, Magnesium,
1 Class #3 Vectors and Dot products Retarding forces Stokes Law (viscous drag) Newton’s Law (inertial drag) Reynolds number Plausibility of Stokes law.
States of Matter. Solids A solid is a state of matter that has a definite shape and definite volume. –The particles of a solid are packed closely together.
LECTURE №1 2014/ Introduction to Fluid Mechanics The Fluid mechanics The Fluid mechanics is a part of mechanics, that studies the states of motion.
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