*Viscosity Fluid Flow Characteristics Viscous Fluids Dependency of Viscosity on Temperature Non-Newtonian Fluids Select one subject!! Laboratory exercise*

*Types of Flows –II Non viscous Flow. Non viscous . flow (or laminar flow) – an object moving through a non viscous fluid will experience no viscous drag force.*

*Steady viscous flow past a cylinder Steady viscous flow ... Unsteady flow past an airfoil Flow classifications Newtonian vs. non-Newtonian Flow ...*

*Viscous Flow in Pipes ... or viscous forces > pressure forces Fully-developed region Non-accelerating flow Pressure forces equal viscous forces Work done by ...*

*... Sub. into the Bernoulli equation, Fluid In Motion (Viscous Flow) ... resolve the variables of y and v inside the boundary flow, the non-dimensional ...*

*Viscous Flow in Pipes CEE 331 ... does the water in the center of the pipeline speed up? _____ v v Drag or shear Conservation of mass Non-Uniform Flow v laminar ...*

*... Dimensional analysis of pipe flow for fully developed laminar flow Moody chart Non-circular ducts Reynolds number ... due to viscous flow in the straight ...*

*... non-viscous flow (ideal fluid) They are related ! Transport theory: η/ρ~λcs implies R * K ~ Ma Remember: compressible+viscous = departures from local eq.*

*... 1-8 Inviscid flow past a [non-rotating] cylinder 2 stagnation ... SPHERICAL (r, q, f) PROBLEM: 1-4 Steady viscous flow enters tube from a reservoir Wall ...*

*... Viscous Behavior Viscosity theory deals with ... i.e. strain is Non-recoverable and permanent Flow of water is an example of viscous behavior Some parts ...*

*Viscous Flow in Pipes Types of Engineering Problems How big does the pipe have to be to carry a flow of x m3/s? What will the pressure in the water distribution ...*

*... veins Poiseuille flow Steady flow in a rigid cylindrical tube Pressure gradient Viscous force Poiseuille flow ... PULSATILE FLOW Non-Newtonian fluid ...*

*... temperature & entropy Viscous vs. ideal hydro: radial flow & spectra Viscous ... viscous hydro later with lower initial energy density For non-central ...*

** * * * 6.1 Dynamical similarity Consider the flow system ... the o.o.m. ratio of the non-linear versus viscous terms. cf. heat conduction ...*

*... (non-viscous) be moving with the ... S EQUATION ENERGY CONSERVATION KINETIC ENERGY PER UNIT MASS = q2/2 Navier Stokes Equation for incompressible viscous flow Viscous force ...*

*Viscous Fluids Viscous fluids resist ... of Mass Mass is conserved in fluid flow ... ave If deviatoric stress is non-zero, than fluid flow ...*

*MECH 3021 – Viscous Flow (1) Basic concept: Shear stress, velocity gradient, coefficient of viscosity (friction in fluid) (2) Shear stress = (coefficient of ...*

*Fluid begins to flow when ever a shear stress is ... The material “seems” less viscous at higher ... NON-IDEAL RHEOLOGICAL BEHAVIOR NON-NEWTONIAN FLUIDS ...*

*Compressible Laminar Flow on a Flat Plate ... In any event, if the wall is non-adiabatic, there will be a thermal boundary layer which needs to be analyzed.*

*External Flows Overview Non-Uniform Flow Boundary Layer Concepts Viscous Drag Pressure Gradients: Separation and Wakes Pressure Drag Shear and Pressure Forces Vortex ...*

*External Flows CEE 331 * Overview Non-Uniform Flow Boundary Layer Concepts Viscous Drag Pressure Gradients: Separation and Wakes Pressure Drag Shear and Pressure ...*

*Blood and liquid plastics are examples of non-Newtonian fluids. ... Laminar flow is encountered when highly viscous fluids such as oils flow in small pipes or narrow ...*

*Deals with low speed viscous and non-viscous (or inviscid) flow. ... (ideal) flow Viscous flow Fluid particles send out signals in the form of acoustic waves to ...*

*Recovery Viscous liquid Tensile forces? – cannot exist ... Viscous flow Newtonian and non-Newtonian Measures of Viscosity Equation F/A = τ = ŋ ...*

*CH.8 Viscous Flow in Pipes # object of this chapter ; application of the basic principles to a specific, important topic-the flow of viscous, incompressible fluids in ...*