Fluid Dynamics and Viscosity

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Questions and Answers

Wat wurdt bedoelt mei 'fluid dynamics'?

  • De stabiliteit fan fêste foarmen ûnder druk
  • De ynfloed fan ljocht op fluids
  • De studie fan still ferhâldingen yn fêste stoffen
  • De beweging fan fluids en de krêften dy't der op ynfloed binne (correct)

Fluid dynamics hat gjin ynfloed op de ûntwikkeling fan technology.

False (B)

Neam in gebiet dêr't fluid dynamics wichtich foar is.

Aerodynamika

De studie fan de beweging fan fluids wurdt neamd _________.

<p>fluid dynamics</p> Signup and view all the answers

Fergelyk de folgjende termen mei harren oantsjuttings:

<p>Hydrodynamics = Beweging fan fluids yn wetter Aerodynamics = Beweging fan fluids yn lûd of lucht Fluid statics = De krêften yn stillende fluids Viscosity = De wrykhokte fan in fluid fan beweging</p> Signup and view all the answers

Wat is de wichtichste fokus fan fluid dynamics?

<p>De analyze fan gas- en floeistofstreamingen (C)</p> Signup and view all the answers

Fluid dynamics is allinnich fan tapassing yn 'e natuerkunde.

<p>False (B)</p> Signup and view all the answers

Wat binne de twa soarten fluids dy't yn fluid dynamics bestudearre wurde?

<p>Gassen en floeistoffen</p> Signup and view all the answers

De wet fan ______ beskriuwt de relaasje tusken druk, hast, en volumint yn in gas.

<p>Boyle</p> Signup and view all the answers

Ferekkenje de termen yn 'e fluid dynamics mei de juste definysjes:

<p>Bernoulli's Principe = Ferklearret hoe't de druk yn in fluid feroaret as de snelheid feroaret Hydrostatika = Bestudearret fluids yn resting steat Viskositeit = Tawijde fan in fluid om te fliejen Reynolds Number = Farwei fan turbulent yn fluid beweging</p> Signup and view all the answers

Wêr wurdt hydrostatika meast foar brûkt?

<p>Undersykje fan fluids dy't yn in statyske steat binne (C)</p> Signup and view all the answers

Reynolds Number is allinnich relevant foar gassen.

<p>False (B)</p> Signup and view all the answers

Wat is it doel fan Bernoulli's Principe?

<p>Om de ferhâldingen tusken druk en snelheid yn in fluid te beskriuwen.</p> Signup and view all the answers

Wat is de wichtichste tema fan dit haadstik?

<p>Fluiddynamika (A)</p> Signup and view all the answers

Fluiddynamika omfettet allinnich gassen en gjin liquids.

<p>False (B)</p> Signup and view all the answers

Wat is in wichtich prinsipe yn fluiddynamika?

<p>Bernoulli's prinsipe</p> Signup and view all the answers

De wetten fan __________ beskreauwe de beweging fan fluids.

<p>Navier-Stokes</p> Signup and view all the answers

Match de folgjende termen mei harren definysjes:

<p>Viscosity = De tsjinslach fan in fluid tsjin beweging Turbulence = Onregelmatige beweging fan fluids Streamline = In pad fan in fluid dieltsje Pressure = Krêft per ienheid fan flak</p> Signup and view all the answers

Wat nimt de preem fan snelheid yn fluiddynamika?

<p>In tanimmende snelheid betsjut minder druk. (A)</p> Signup and view all the answers

Fluiddynamika hat gjin tapassing yn de medisinen.

<p>False (B)</p> Signup and view all the answers

Fluids dy't net reitsje binne __________.

<p>incompressible</p> Signup and view all the answers

Flashcards

Haptîtel fan it haadstik

It haadstik oer floeistofdynamyka

Side nûmer

De side nûmer foar it haadstik oer floeistofdynamyka

Boek

De namme fan it boek mei de tekst

Ûnderwerp

Floeistofdynamyka is it ûnderwerp fan it haadstik

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Webside

In webadresse foar mear ynformaasje oer it ûnderwerp

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Fluid Dynamics

De wittenskip dy't de beweging fan floeistoffen bestudearret.

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Chapter 6

De 6e haadstik fan in boek, yn dit gefal oer floeistofdynamika.

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Flowing substances

Stoffen dy't flüssig binne en bewege kinne.

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Fluid properties

Eigenskippen fan de floeistoffen, lykas viskositeit en dichtheid.

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Velocity

De snelheid fan de floeistof.

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Viscosity

De binnenferset fan de floeistof tsjin beweging.

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Density

De massa fan in bepaald volume floeistof.

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Punjab Text Book Board

In organisaasje dy't tekstboeken publiseart yn Punjab.

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Fluid Dynamics Chapter

A chapter in physics that studies fluids and their motion.

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Fluids

Substances that can flow, including liquids and gases.

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Motion of liquids

Describes how liquids move and react to forces.

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Physics Principles

Fundamental laws used to explain fluid motion.

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Page Number

Number associated with a specific page.

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Website Address

URL for accessing online information.

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Study Notes

Fluid Dynamics

  • A fluid is a substance that can flow. This includes liquids and gases.
  • Fluid statics is the study of fluids at rest. It's based on Newton's first and third laws.
  • Fluid dynamics is the study of fluids in motion. This is often more complex than fluid statics.

Viscosity

  • Definition: Viscosity is the internal frictional effect between different layers of a flowing fluid. It describes how much force is needed to move one layer over another.
  • Explanation: Substances like thick tar and honey have high viscosity, and substances like water have low viscosity. Viscosity means that a force is needed to move an object through a fluid.

Drag Force

  • An object moving through a fluid experiences a retarding force called drag force.
  • Drag force increases as the speed of the object increases.

Stoke's Law

  • The drag force (F) on a sphere moving slowly through a viscous fluid with viscosity η is given by Stoke's Law: F = 6πηrv, where r is the radius of the sphere, and v is the speed of the sphere.

Terminal Velocity

  • Definition: Terminal velocity is the constant velocity of an object falling through a fluid when the drag force equals the weight of the object.
  • The object's speed is no longer accelerating and becomes constant.

Ideal Fluid

  • An ideal fluid is a fluid that has no viscosity, is incompressible and its motion is steady.

Equation of Continuity

  • In steady flow, the mass flow rate remains constant. The product of the fluid's area and its velocity at any given point will remain constant. Therefore, the product of the cross-sectional area and the velocity will remain constant in a pipe system.

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