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ASE244 FLUID MECHANICS

Course Objectives

By taking this course, the students will:

• be able to analyze fluid flows encountered in engineering practice,
• be able to make interpretations for the possible physical outcomes related with the deformations of the fluid elements during their motion,
• decide whether the Lagrangian or the Eulerian approach should be used in the analysis of a particular fluid problem
• be able apply and make use of the basic conservation equations (mass, momentum and energy) for a fluid flow problem,
• decide whether an integral approach or differential approach is more appropriate for a particular fluid problem,
• be able make simplifications for engineering fluid flow problems and make estimations with reasonably good accuracy.

Course Content

Introduction, definition and physical properties of fluids, concept of continuum., definitions of density, pressure and viscosity, Kinematics, motion of a fluid element, rotation, deformation, flowlines. Fluid statics and buoyancy. Forces acting on flat and curved surfaces. Eulerian and Lagrangian flow descriptions, conservation laws, flow properties, system-control volume approaches, Reynolds Transport theorem. Governing equations: conservation of mass, linear momentum and energy equations. Bernoulli equation and its applications. Flow of real fluids: Newtonian fluids, Navier- Stokes equations. Application for incompressible flows, laminar - turbulent flow definitions, and application to pipe flows.

Course Learning Outcomes

In this course, the students will:

• be acquainted with the fundamentals of fluid mechanics,
• analyze the pressure field across a fluid region under static conditions or in solid body motion,
• learn the Lagrangian and Eulerian approaches in the analysis of fluid motion,
• tell key properties that may be obtained from fluid kinematic analysis, and obtain the equations for various flow lines corresponding to a given velocity field,
• understand the deformations that a fluid particle undergoes during its motion,
• learn the Reynolds transport theorem, and apply it to conservation of mass, momentum and energy,
• learn about the integral and differential approaches for the application of the conservation equations in a flow field,
• appreciate the simplifications of the integral forms of the conservation equations for one-dimensional flow situations, and apply these equations to analyze engineering problems such as pipe flows, channel flows, flow through pumps, etc.,
• perform estimation of the aerodynamic drag of a body embedded in a given flow field for which flow properties are given only at  the boundaries of this field,
• derive the differential forms of the conservation equations for viscous fluid motion in the form of the Navier-Stokes equations,
• carry out the differential analysis for simple flow situations (such as steady, laminar flow through pipes, or between parallel plates) and relate the pressure loss to the velocity distributions, as well as determine the wall shear stresses.

Program Outcomes Matrix

0: No Contribution 1: Little Contribution 2: Partial Contribution 3: Full Contribution