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Unit Conversions - Fluid Flow - Handout, Exercises of Fluid Dynamics

National Institute of Industrial EngineeringFluid Dynamics

Topics covered in this course include fluid properties, fluid statics, fluid kinematics, control volume analysis, dimensional analysis, internal flows, differential analysis, external flows CFD, compressible flow and turbomachinery. Key words for this lecture are: Unit Conversions, Classifications of Fluid Flow, Unit Conversions, and Significant Digits, Properties of Fluids, Viscous and Inviscid Regions of Flow, Internal and External Flow, Compressible and Incompressible Flow, Laminar and Turbu

Typology: Exercises

2012/2013

Uploaded on 10/02/2013

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M E 320 Professor John M. Cimbala Lecture 02
Today, we will:
•
Continue talking about classifications of fluid flow
•
Discuss dimensions, units, unit conversions, and significant digits
•
Begin Chapter 2 – Properties of Fluids
B. Classification of Fluid Flows (continued)
1. Viscous vs. inviscid regions of flow
2. Internal vs. external flow
3. Compressible vs. incompressible flow
4. Laminar vs. turbulent flow
Laminar flow
Turbulent flow
pf3
pf4
pf5

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M E 320 Professor John M. Cimbala Lecture 02

Today, we will :

  • Continue talking about classifications of fluid flow
  • Discuss dimensions, units, unit conversions, and significant digits
  • Begin Chapter 2 – Properties of Fluids

B. Classification of Fluid Flows (continued)

  1. Viscous vs. inviscid regions of flow
  2. Internal vs. external flow
  3. Compressible vs. incompressible flow
  4. Laminar vs. turbulent flow

Laminar flow

Turbulent flow

  1. Natural vs. forced flow

Natural Forced

  1. Steady vs. unsteady

Steady in the mean Unsteady

C. Dimensions, Units, and Significant Digits

  1. Dimension =
  2. Unit =
  3. Unit conversions, unity conversion ratios

Example: Unit conversions Given : The mass of an object is m = 2.00 kg.

To do : How much does this mass weigh on earth in units of lbf?

Solution :

  1. Significant digits

D. Fluid Properties (Chapter 2)

  1. Kinematic properties
  2. Thermodynamic properties
  3. Other (miscellaneous) properties a. speed of sound