Module 2: Hydrostatics
Hydrostatic pressure and devices: 2 lectures
Forces on surfaces: 2.5 lectures
Buoyancy, Archimedes, stability: 1.5 lectures
Mech 280: Frigaard
Lectures 1-2: Hydrostatic pressure
Should be able to:
Use common pressure terminolog
Lecture 1-4: Pipe flows
Today:
Introduce friction factor estimating head losses in pipe and ducts
Laminar and turbulent flows
Introduce Moody chart
Motivation:
In networks of pipes, in systems with long sections of pipe, with
small pipes, viscous fl
Welcome to MECH 280
Ian A. Frigaard
Department of Mechanical Engineering,
University of British Columbia
Mech 280: Frigaard
Lecture 1:
Reading: chapter 1 of any introductory text on fluid
mechanics
Learning goals:
What is a fluid
Apply continuum hypot
Module 5: Dimensional analysis
Understand dimensions, units and dimensional
homogeneity
Understand the Buckingham Pi theorem
Use method of repeating variables to find dimensionless s
Use these to solve example problems
Look at model & lab experiments
Module 7: Pumps
Basic definitions to describe pumps and pumping pipe
circuits
Positive displacement pumps and centrifugal pumps
The Pump Curve
Net Positive Suction Head
Scaling with centrifugal pumps
Best efficiency point
Other types of pumps
Cent
Module 4:
Navier-Stokes Equations:
Apply mass and momentum conservation to a differential (very
small) control volume
Derive the Navier-Stokes equations
Classical solutions of NS
Inviscid flows, irrotational flows and potential flows
Mech 280: Frigaa
T-3E
Solution For a scale model of a submarine being tested in air. we are to
calculate the wind tunnel speed required to achieve similarity with the prototype
submarine that moves through water at a given speed.
Assumptions 1 Compressibility of the air
Quiz # 3
MECH 280 Introduction to Fluid Mechanics
Mechanical Engineering, University of British Columbia
March 29, 2005
Open book / notes. State all assumptions used and show all work.
1. (5 marks: minus 1 for incorrect answers) Answer the following (true
Quiz # 1
MECH 280 Introduction to Fluid Mechanics
Mechanical Engineering, University of British Columbia
Professor James Olson
February 2, 2005
Open book / notes. State all assumptions used and show all work. Each question is of
equal value.
1. The thin o
Lecture 1: Kinematics, ideal mechanical systems and
Bernoullis equation
Should be able to:
Understand some terms used in flow visualization and
kinematics
Understand Lagrangian and Eulerian frames of reference
Understand the material (or total) deriva