Fluid Mechanics with Donny Lee

Video Lectures

Displaying all 25 video lectures.
Lecture 1
The Basic Equation of Pressure Field
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The Basic Equation of Pressure Field


In this video lesson, Physics Instructor Donny Lee will analyze the forces on a water particle, and derive the basic equation of the pressure field, a highly important equation when dealing with change in pressure.

Lecture 2
Pressure Field Incompressible Fluid
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Pressure Field Incompressible Fluid


In this video lesson, Physics Instructor Donny Lee will use the basic equation, and find the pressure field of an incompressible fluid assuming density constant.



 

Lecture 3
Forces at a Point for Basic Equation
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Forces at a Point for Basic Equation


In this video lesson, Physics Instructor Donny Lee will analyze the surface forces on a water particle on a fluid to later derive the basic equation.

Lecture 4
Pressure at a Point (Part 1)
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Pressure at a Point (Part 1)


In this video lesson, Physics Instructor Donny Lee teaches that the pressure at a point in a fluid is the same regardless of the direction the pressure is directed to.

Lecture 5
Shearing Stress On Disk
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Shearing Stress On Disk


In this video lesson, Physics Instructor Donny Lee analyzes the shearing stress of a rotating disk.

Lecture 6
Pressure at a Point (Part 2)
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Pressure at a Point (Part 2)


In this video lesson, Physics Instructor Donny Lee teaches about the pressure at a point in a fluid, which is the same regardless of the direction the pressure is directed to.

Lecture 7
Viscosity
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Viscosity

In this video lesson, Physics Instructor Donny Lee teaches about Viscosity.
Lecture 8
Pressure Variation With Motion
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Pressure Variation With Motion


In this video lesson, Physics Instructor Donny Lee studies the pressure variation in a fluid with rigid-body motion. The key assumption, among others, is that there is no shearing stress between water particles.

Lecture 9
A Cup of Coke in a Moving Vehicle
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A Cup of Coke in a Moving Vehicle


In this video lesson, Physics Instructor Donny Lee will analyze the pressure variation in a cup of coke when it is in a vehicle that is accelerating.

Lecture 10
Hydrostatic Force
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Hydrostatic Force


In this video lesson, Physics Instructor Donny Lee teaches about hydrostatic force.

Lecture 11
Centroid and Centre of Pressure Not Equal
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Centroid and Centre of Pressure Not Equal


In this video lesson, Physics Instructor Donny Lee will derive the location of a hydrostatic force on a plane surface. It turns out that the center of pressure and centroid are not the same. 

Lecture 12
Archimedes' Principle: The Mathematical Way
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Archimedes' Principle: The Mathematical Way


In this video lesson, Physics Instructor Donny Lee brings a mathematical approach to derive Archimedes' principle. We find the magnitude of the Buoyancy force here.

Lecture 13
Archimedes' Principle: Location of Force
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Archimedes' Principle: Location of Force


In this video lesson, Physics Instructor Donny Lee brings a mathematical approach to derive Archimedes' principle. We find the location of the buoyancy force here.

Lecture 14
Hydrostatic Force On Plane
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Hydrostatic Force On Plane


In this video lesson, Physics Instructor Donny Lee will derive the magnitude and direction of a hydrostatic force on a plane surface.

Lecture 15
Pressure Field Compressible Fluid
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Pressure Field Compressible Fluid


In this video lesson, Physics Instructor Donny Lee uses the basic equation, to find the pressure field of an compressible fluid assuming density constant.

Lecture 16
Hover Craft via Reynold's Theorem
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Hover Craft via Reynold's Theorem


In this video lesson, Physics Instructor Donny Lee does an analysis of the hover craft with Reynold's Transport Theorem. We find the velocity function.

Lecture 17
Transport Theorem Complex Case
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Transport Theorem Complex Case


In this video lesson, Physics Instructor Donny Lee looks further into Reynold's Transport Theorem by considering the system of particles and control volume as an arbituary shape.

Lecture 18
Analysis of Forces in One Dimension
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Analysis of Forces in One Dimension


In this video lesson, Physics Instructor Donny Lee looks at the forces acting on a water particle flowing through a tube in one dimension leading up to Reynold's Transport Theorem.

Lecture 19
System vs Control Volume
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System vs Control Volume


In this video lesson, Physics Instructor Donny Lee elaborates on the difference between a system analysis and a control volume analysis.

Lecture 20
Reynold's Transport Theorem in One Dimension
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Reynold's Transport Theorem in One Dimension


In this video lesson, Physics Instructor Donny Lee will derive Reynold's Transport Theorem in One Dimension.

Lecture 21
Hovercraft (Part 2)
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Hovercraft (Part 2)


In this video lesson, Physics Instructor Donny Lee will calculate the force required to suspend the craft above the water.

Lecture 22
Syphoning Water
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Syphoning Water

In this video lesson, Physics Instructor Donny Lee will use Bernoulli's equation to explain a common phenomena in syphoning water.
Lecture 23
Flow Past a Sphere
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Flow Past a Sphere


In this video lesson, Physics Instructor Donny Lee studies a flow of a fluid with a complex velocity function and see how Bernoulli's equation gives us the velocity and pressure relationship.

Lecture 24
Bernoulli's Equation (After Integration)
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Bernoulli's Equation (After Integration)


In this video lesson, Physics Instructor Donny Lee gets Bernoulli's Equation by carefully considering each term.

Lecture 25
Bernoulli's Equation via F = ma
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Bernoulli's Equation via F = ma


In this video lesson, Physics Instructor Donny Lee will start a tour into Bernoulli's Equation by resolving forces.