# Fluid Mechanics - LearnChemE

## by Department of Chemical and Biological Engineering (University of Colorado Boulder)

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#### Description

This project is funded by the National Science Foundation and the Department of Chemical and Biological Engineering at the University of Colorado-Boulder with support from Shell and the Engineering Excellence Fund at CU-Boulder. Its goal is to provide video ScreenCasts for core chemical engineering courses. To request captions or transcripts for any of this content, please contact captioning@colorado.edu.

Name | Description | Released | Price | ||
---|---|---|---|---|---|

1 | CleanVideoDimensions of Differential Equations | Determine the units of constants in a dimensionally homogeneous equation. | 4/25/2014 | Free | View in iTunes |

2 | CleanVideoDimensionless Groups (Reynolds Number Example) | Example of unit conversion for a dimensionless group by showing the Reynolds Number, a number describing how a fluid flows through a pipe. | 3/19/2014 | Free | View in iTunes |

3 | CleanVideoTypes of Homogeneous Equations | The difference between general and restricted homogeneous equations is explained and examples of each are presented. | 11/23/2011 | Free | View in iTunes |

4 | CleanVideoSystems of Units | Overview of base units in SI/CGS/American Engineering. Summarizes use of multiples and derived units. | 10/26/2012 | Free | View in iTunes |

5 | CleanVideoForce & Weight (Units & Conversions) | Overview of SI and American Engineering units used for force. Describes use of gravitational constant as conversion factor and difference between force and weight. | 10/26/2012 | Free | View in iTunes |

6 | CleanVideoSpecific Gravity of a Mixture | Determine the composition given the specific gravity of two components and the mixture. | 10/26/2012 | Free | View in iTunes |

7 | CleanVideoIdeal Gas Law - Lung Example (BIO) | A brief overview of the ideal gas law and an example demonstrating its use in determining the pressure change in the lungs. | 10/26/2012 | Free | View in iTunes |

8 | CleanVideoIdeal Gas Mixture Characterization | Determine partial pressures in an ideal gas mixture and physical properties about the mixture. | 10/26/2012 | Free | View in iTunes |

9 | CleanVideoShear Stress on Incline | Determine the shear stress acting on an inclined plane due to a fluid flowing down it. | 2/23/2012 | Free | View in iTunes |

10 | CleanVideoCapillary Action | Capillary rise is shown through the efforts of Andy the Ant. | 11/23/2011 | Free | View in iTunes |

11 | CleanVideoDerive Equation for a Fluid at Rest | A differential element of a static fluid is analyzed and the relationship between pressure and height is determined. | 11/23/2011 | Free | View in iTunes |

12 | CleanVideoDerive Equation for a Pressure Field | Newton's second law in a differential form is used to determine the basic equation for a pressure field. | 11/23/2011 | Free | View in iTunes |

13 | CleanVideoInclined Manometer: Force Balance | Determines the relationship between pressure change and manometer reading for an inclined manometer. | 5/23/2012 | Free | View in iTunes |

14 | CleanVideoForce Balance on Rotating Gate | Determines the force from a brace acting on a rotating gate that levels a water reservoir on the other side. | 5/30/2012 | Free | View in iTunes |

15 | CleanVideoForce on Submerged Door | Determine the force necessary to maintain a hinged door closed that is submerged on one side in a liquid. | 2/22/2011 | Free | View in iTunes |

16 | CleanVideoBuoyancy of a Box | A simple example of the principle of buoyancy is demonstrated using a box. | 11/28/2011 | Free | View in iTunes |

17 | CleanVideoVelocity of Falling Sphere | Given the drag force acting on a small spherical particle falling in air, determine the velocity profile. | 2/22/2011 | Free | View in iTunes |

18 | CleanVideoBernoulli Equation Derivation | Uses a force balance along a streamline to derive the Bernoulli equation. | 6/4/2012 | Free | View in iTunes |

19 | CleanVideoSimple Bernoulli Equation Example | Use the Bernoulli equation to solve for the velocity of steadily flowing air exiting a nozzle. | 2/1/2012 | Free | View in iTunes |

20 | CleanVideoFlow Rate Out of a Coffee Urn | Calculates the time to fill a coffee cup from a coffee pot using the Bernoulli equation. | 6/4/2012 | Free | View in iTunes |

21 | CleanVideoDraining a Cylindrical Tank | Determines the time to drain a cylindrical coffee pot using the Bernoulli equation. | 6/4/2012 | Free | View in iTunes |

22 | CleanVideoDraining a Conical Tank | Derives the equation for the time to drain a conical tank using the Bernoulli equation. | 6/4/2012 | Free | View in iTunes |

23 | CleanVideoDraining a Spherical Tank | Determines the time to drain a spherical tank using the Bernoulli equation. | 6/4/2012 | Free | View in iTunes |

24 | CleanVideoFlow Exiting a Tank | Determine the exit velocity and volumetric flow from a tank given the pipe size and manometer readings at the outlet. | 2/22/2011 | Free | View in iTunes |

25 | CleanVideoPitot Static Tube Introduction and Example | An application of Bernoulli's Equation to a pitot static tube and it's use on an airplane. | 11/23/2011 | Free | View in iTunes |

26 | CleanVideoVelocity Fields and Streamlines | Conceptual visualization of velocity fields and how to determine streamline equations given velocity fields. | 6/26/2012 | Free | View in iTunes |

27 | CleanVideoAcceleration Along a Streamline | Determine local, convective and acceleration at specific points given velocities and linear relationship. | 7/10/2012 | Free | View in iTunes |

28 | CleanVideoAcceleration along a Streamline (Baseball Example) | Determines the acceleration along a streamline given the velocity function. | 6/26/2012 | Free | View in iTunes |

29 | CleanVideoLocal and Convective Acceleration from Velocity Profiles | Given velocity profiles at two different points in a flow, the total, local and convective accelerations are calculated. | 11/23/2011 | Free | View in iTunes |

30 | CleanVideoAcceleration Field from a Velocity Field | Determine the acceleration components based on Cartesian components of a velocity field. | 6/26/2012 | Free | View in iTunes |

31 | CleanVideoControl Volume vs Systems Representations (Bio) | Describes the concept of a control volume approach to fluid flow compared to a systems approach. | 6/26/2012 | Free | View in iTunes |

32 | CleanVideoReynolds Transport Theorem | Reynolds Transport Theorem is described, including why it was developed and how it is used in different situations. | 11/23/2011 | Free | View in iTunes |

33 | CleanVideoFluid Flow through a Control Volume | Determine what happens to a flowing system at a later time and fluid flow through a control volume using the Reynolds Transport Theorem. | 6/26/2012 | Free | View in iTunes |

34 | CleanVideoContinuity Equation in Integral Form | Demonstrates how to use the Continuity equation in integral form. | 2/1/2012 | Free | View in iTunes |

35 | CleanVideoIntegral Momentum Balances on a Pipe and Tee | Performs an integral momentum balance on a pipe and tee to determine forces in the x and y directions. | 6/26/2012 | Free | View in iTunes |

36 | CleanVideoReducing Bend in the X-Direction | Using an integral momentum balance to find the x-component of the force acting upon a reducing bend of pipe. | 2/1/2012 | Free | View in iTunes |

37 | CleanVideoReducing Bend in the Y-Direction | Using an integral momentum balance to find the y-component of the force acting upon a reducing bend of pipe. | 10/4/2011 | Free | View in iTunes |

38 | CleanVideoMomentum Flux | An example where the net momentum flux in the x-direction is desired given a schematic of the system. | 2/22/2011 | Free | View in iTunes |

39 | CleanVideoIntroduction to Kinematics | An introduction to the equations used in fluid kinematics including translation, volume dilatation rate, rotation, and angular deformation. | 9/26/2011 | Free | View in iTunes |

40 | CleanVideoDeriving Continuity Equation in Cylindrical Coordinates | Uses cylindrical vector notation and the gradient operator to derive the differential form of the continuity equation in cylindrical coordinates. | 2/22/2011 | Free | View in iTunes |

41 | CleanVideoHow to Sketch Streamlines | An example that demonstrates how to sketch streamlines within the flow using the velocity components and the stream function. | 9/26/2011 | Free | View in iTunes |

42 | CleanVideoContinuity and Stream Functions | An introduction to the continuity equation and the stream function and how to apply them. | 9/26/2011 | Free | View in iTunes |

43 | CleanVideoNaming Normal and Tangential Stresses | Stresses have their own system of nomenclature. This screencast describes how to name both normal and tangential stresses. | 11/23/2011 | Free | View in iTunes |

44 | CleanVideoSolve for Equations of Motion | A force balance is done on a differential element of fluid to find the equations of motion. | 11/23/2011 | Free | View in iTunes |

45 | CleanVideoIrrotational & Incompressible Flow | Example on how to prove that a fluid is both irrotational and incompressible. | 2/22/2011 | Free | View in iTunes |

46 | CleanVideoVelocity Potentials and Stream Functions | An example problem relating the velocity potential and the stream function. | 9/26/2011 | Free | View in iTunes |

47 | CleanVideoNavier Stokes Example (Flat Plates) | Use the Navier Stokes equation to characterize the flow of a liquid between two flat plates. | 4/28/2011 | Free | View in iTunes |

48 | CleanVideoShear Stress Parallel Plates | An example on how to calculate the shear stress acting on parallel plates caused by a fluid acting under laminar flow. | 2/22/2011 | Free | View in iTunes |

49 | CleanVideoBoundary Conditions for a Velocity Profile | How to use boundary conditions to solve for constants in velocity profiles defined by the Navier-Stokes equation. | 10/4/2011 | Free | View in iTunes |

50 | CleanVideoEntrance Length vs. Fully Developed Flow | A drawing of flow into a pipe demonstrates the entry length and fully-developed regions of pipe flow. An example problem shows how to calculate the entry length using the Reynolds number and to determine whether there is any fully-developed flow in the pipe. | 11/23/2011 | Free | View in iTunes |

51 | CleanVideoFully Developed Laminar Flow (Using Force Balance) | Performs force balance on fluid element for steady, fully developed laminar flow to determine exact solution for pipe flow. | 4/11/2011 | Free | View in iTunes |

52 | CleanVideoPressure Drop in a Pipe (Laminar Flow) | Determine the pressure drop down the length of a pipe using shear force calculations. Assume laminar flow. | 4/28/2011 | Free | View in iTunes |

53 | CleanVideoVolumetric Flow Rate for Laminar Pipe Flow | Determine volumetric flow and velocity for oil flowing in a pipe and use the Reynold's number to verify laminar flow properties. | 4/11/2011 | Free | View in iTunes |

54 | CleanVideoEnergy Loss for Flow through Non-Circular Duct | Frictional effects are found for a pipe that is non-circular. | 11/23/2011 | Free | View in iTunes |

55 | CleanVideoUsing a Moody Chart | Explains how to read a Moody chart for determining frictional factors in pipe flow problems. | 2/27/2013 | Free | View in iTunes |

56 | CleanVideoPipe Flow: Determining Power | Determine the power added by a pump to move fluid from one elevation to another. | 9/18/2012 | Free | View in iTunes |

57 | CleanVideoBuckingham Pi Theorem | An overview of the Buckingham Pi Theorem. | 2/23/2012 | Free | View in iTunes |

58 | CleanVideoUsing Similitude to Scale from Model to Prototype | An example problem using similitude and scaling with pi groups to solve for the forces applied by a fluid on an object. | 9/26/2011 | Free | View in iTunes |

59 | CleanVideoDeriving the Dimensionless Equations of Motion | Demonstrates how to non-dimensionalize the momentum equations. | 2/22/2011 | Free | View in iTunes |

60 | CleanVideoBoundary Layers | An introduction to the boundary layer for internal and external flow and how to determine the entry length of the flow and the boundary layer thickness. | 9/27/2011 | Free | View in iTunes |

61 | CleanVideoBoundary Layers Example Problem | Example problem that demonstrates the use of boundary layers and boundary layer thickness as well as flow regime (laminar or turbulent) to define the entry length section. | 9/27/2011 | Free | View in iTunes |

62 | CleanVideoDrag Force on Irregular Object | The drag force is used to calculate the amount of gas it takes for three trucks with different shapes to travel a certain distance. | 11/23/2011 | Free | View in iTunes |

63 | CleanVideoLift and Drag on Aircraft | An example problem on using lift and drag on an aircraft to find power. | 9/27/2011 | Free | View in iTunes |

64 | CleanVideoPressure Drag | Pressure drag is defined and an example is used to demonstrate its principles. | 11/23/2011 | Free | View in iTunes |

65 | CleanVideoIntroduction to Blasius Solutions | Introduces Blasius solutions to solve steady-state, two-dimensional boundary layer problems for a semi-infinite plate. | 8/14/2012 | Free | View in iTunes |

66 | CleanVideoShear Stress at a Wall: Blasius Solutions | Uses the Blasius solutions to find the shear stress at a wall as a function of plate length. | 6/29/2012 | Free | View in iTunes |

67 | CleanVideoBlasius Solution for the y-Component of Velocity | Uses the Blasius solutions to develop an expression for the y-component of velocity at the edge of a boundary layer. | 6/29/2012 | Free | View in iTunes |

68 | CleanVideoy-Component of Velocity at a Boundary Layer | Shows how to find the y-component of velocity at the edge of a boundary layer at any point along the length of a flat plate. | 6/29/2012 | Free | View in iTunes |

69 | CleanVideoSolver in Excel | Describes how to use the solver function in Excel 2010. | 6/6/2012 | Free | View in iTunes |

70 | CleanVideoIntroduction to Hydrostatic Pressure | Derives relationship between fluid height and pressure based on equations of motion for fluid at rest. | 11/6/2012 | Free | View in iTunes |

71 | CleanVideoMolar Conversions | Shows how to convert quickly between mol, g-mol, lb-mol, kg-mol, and k-mol. | 2/13/2013 | Free | View in iTunes |

72 | CleanVideoUtility of Dimensionless Parameters | Describes the importance of plotting dimensionless parameters as a function of other dimensionless variables to develop correlations. Uses the coefficient of drag and the Reynolds number as an example. | 3/6/2013 | Free | View in iTunes |

73 | CleanVideoBuckingham Pi Theorem Application | Describes how the coefficient of drag is correlated to the Reynolds number and how these dimensionless parameters were found. | 3/6/2013 | Free | View in iTunes |

74 | CleanVideoScaling Analysis | Performs a scaling analysis on a blimp flowing through water to estimate the drag and power consumption of a full size prototype. | 3/6/2013 | Free | View in iTunes |

75 | CleanVideoMomentum Balance Around a Jet Engine | Performs a momentum balance around an engine on an airplace with its thrust reverser deployed. | 4/10/2013 | Free | View in iTunes |

76 | CleanVideoFlow Work | Introduces the concept of flow work and derives the equations governing it. | 4/10/2013 | Free | View in iTunes |

77 | CleanVideoAir Flow Through a Constriction | Demonstration of the Bernoulli effect and an example problem of air flowing through a constriction (Venturi flow meter). | 7/16/2013 | Free | View in iTunes |

78 | CleanVideoFluid Pressure vs. Elevation (Incompressible vs. Compressible Cases) | Examine the differences in calculating air pressure at high elevations using different assumptions. | 7/16/2013 | Free | View in iTunes |

79 | CleanVideoPressure Variation for Compressible Fluid at Rest | Derives the equations for relating pressure to fluid height for incompressible and compressible fluids. | 7/16/2013 | Free | View in iTunes |

80 | CleanVideoInternal Energy Introduction | Introduces and discusses internal energy and moving boundary work on a system. | 8/28/2013 | Free | View in iTunes |

81 | CleanVideoDerivation of the Continuity Equation | Derives the continuity equation for a rectangular control volume. | 8/28/2013 | Free | View in iTunes |

82 | CleanVideoSubmerged Gate: Moment at Hinge | Calculates the moment at a submerged hinge needed to keep a rectangular gate closed. | 8/28/2013 | Free | View in iTunes |

83 | CleanVideoPipe Flow Introduction | Introduces the use of the mechanical energy balance in solving pipe flow type problems. | 3/7/2014 | Free | View in iTunes |

84 | CleanVideoPipe Flow Computer Solver (Determine Diameter) | Determine the diameter of a pipe system to meet certain specifications. Shows how to setup the analytical solver technique in Excel. | 3/7/2014 | Free | View in iTunes |

85 | CleanVideoPipe Flow Problem (Determine Diameter) | Determine the diameter of a pipe system to meet certain specifications. Iterative technique necessary. | 3/7/2014 | Free | View in iTunes |

86 | CleanVideoFluid Kinematics Calculations | Determine the volumetric dilatation rate, the rotation vector and angular rotation for a 3D flow field. | 3/7/2014 | Free | View in iTunes |

87 | CleanVideoDifferential Form of Continuity Equation | Explains the differential form of continuity equation and use in determining a 1D velocity function dependent on time and position. | 3/7/2014 | Free | View in iTunes |

88 | CleanVideoUsing Similitude to Predict Results (Glacier Example) | Determine appropriate dimensionless parameters to scale between model and prototype and predict results in the prototype. | 3/7/2014 | Free | View in iTunes |

89 | CleanVideoRigid Body Motion | Introduction to rigid body motion and derivations for the free surface slope using the equation of motion. | 3/7/2014 | Free | View in iTunes |

90 | CleanVideoIntegral Momentum Balance on a Pipe with Tee | Performs an integral momentum balance on a pipe and tee to determine forces in the x and y directions. | 3/7/2014 | Free | View in iTunes |

91 | CleanVideoPressure Drop in Pipe with Losses (Determine Diameter) | Determine the pressure drop in a pipe system using both major and minor losses. | 3/7/2014 | Free | View in iTunes |

92 | CleanVideoMomentum Balance Through Reducing Pipe Bend | Determine anchoring forces necessary for angled pipe reduction given certain flow characteristics through the pipe. | 3/7/2014 | Free | View in iTunes |

93 | CleanVideoCharacterisitics of a Fluid | Detailed definition of 'fluid' and describes how to characterize fluids. | 3/7/2014 | Free | View in iTunes |

94 | CleanVideoPressure Drop in Pipe with Losses (Determine Q) | Uses an iterative approach to determine the flow rate through a pipe network with energy losses. | 3/7/2014 | Free | View in iTunes |

95 | CleanVideoIntroduction to Buoyancy | Introduces the concept of buoyancy and derives the force through a force balance. | 3/19/2014 | Free | View in iTunes |

96 | CleanVideoBuoyancy Example | Determines the volume of a baseball that is submerged. | 3/19/2014 | Free | View in iTunes |

97 | CleanVideoDimensional Homogeneity | Introduces the concept of dimensional homogeneity and dimensionless numbers. | 5/2/2014 | Free | View in iTunes |

98 | CleanVideoPipe Flow: Entrance Region and Entrance Length | Describes what is meant by an entrance region for pipe flow as well as the importance of the dimensionless entrance length. | 6/2/2014 | Free | View in iTunes |

99 | CleanVideoEntrance Length Example | Determines the entrance length for water flowing into a pipe. | 6/2/2014 | Free | View in iTunes |

100 | CleanVideoSpecific Weight of Mixture | Demonstrates using specific weights to determine amounts of each species in a mixture. | 8/6/2014 | Free | View in iTunes |

101 | CleanVideoViscosity of Fluid From Shear Force | Using force and velocity, determines the viscosity of an unknown fluid. | 8/27/2014 | Free | View in iTunes |

102 | CleanVideoHydrostatic Pressure Calculations | Determine the pressure at multiple positions within a water tank. | 9/10/2014 | Free | View in iTunes |

103 | CleanVideoManometer Example | Determine pressure difference between two pipes using a manometer. | 9/10/2014 | Free | View in iTunes |

104 | CleanVideoWhat is Buoyancy? | Introduces the concept of buoyancy and gives several examples. | 9/25/2014 | Free | View in iTunes |

105 | CleanVideoRigid Body Rotation | Determine the rotation velocity that would not result in fluid rising above the rim of a container. | 10/8/2014 | Free | View in iTunes |

105 Items |

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