FLUIDS IN ENGINEERING

Date: 4/22/10Prepared by: Javier Kienzle, Fellow - GK12  ProgramPresented at: Columbia High SchoolSupported by:  NSF Graduate Teaching Fellow in K-12 Education ProgramAssociated Institution: Stevens Institute of Technology - Hoboken, NJ

What is a fluid?

Simply put…something that flows.

Liquid Gas Granular Material

Bernoulli’s Equation

Constant ghVP 2

2

1

Bernoulli’s Equation

ghVP 2

2

1Constant

Aerodynamics

WING

ghVP 2

2

1Constant

How can we model a fluid?

f (P,V,ρ,L,μ)

Note: μ is the fluid viscosity (thickness)

Consider:

Dimensional Analysis

VL

Re Inertial Forces

Viscous Forces=

Dimensional Analysis

Questions

Questions or Comments?