EGN_3358_Notes_Ch_6_Part 1

EGN_3358_Notes_Ch_6_Part 1 - 1 EGN-3358 –...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 EGN-3358 – Thermo-Fluids-Heat Transfer EGN 3358 Thermo-Fluids-Heat Transfer Chapter 6: External Flow – Fluid Viscous and Thermal Effects Part 1 2 EGN-3358 – Thermo-Fluids-Heat Transfer 6.1: Introduction Define: Fluid : a substance that deforms continuously under the application of shear stress Fox, Intro to Fluid Mechanics ¸ 6th ed, 2004. 3 EGN-3358 – Thermo-Fluids-Heat Transfer Introduction Newtonian Fluid : one that exhibits a linear relationship between the rate at which the fluid deforms (strain rate) and the magnitude of applied shear stress, Ex. Water, air τ y u y u ∂ ∂ = ⇒ ∂ ∂ ∝ μ τ τ ≡ μ viscosity (dynamic viscosity) ⋅ ⋅ 2 2 , ft s lbf m s N 4 EGN-3358 – Thermo-Fluids-Heat Transfer Introduction No slip condition : the fluid adjacent to solid surface will move with the same velocity as the solid surface ρ μ ν = Kinematic viscosity: s ft s m 2 2 , 5 EGN-3358 – Thermo-Fluids-Heat Transfer 6.2: External Boundary Layers ( 29 thickness layer boundary x = δ ( 29 L x < < δ 6 EGN-3358 – Thermo-Fluids-Heat Transfer External Boundary Layers (uniform) velocity stream free * ≡ U U u y x 99 . where of value the is ) ( , thickness layer Boundary , * = δ δ U 0.99 to from varies velocity the which in region the : layer boundary Fluid * layer boundary...
View Full Document

This note was uploaded on 11/25/2011 for the course EGN 3358 taught by Professor Sleiti during the Fall '07 term at University of Central Florida.

Page1 / 31

EGN_3358_Notes_Ch_6_Part 1 - 1 EGN-3358 –...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online