Catalog Description:

• EOC 3123: Fluid Mechanics I.
  The first course of a two-semester study of incompressible-fluid flow and its application to ocean engineering with emphasis on: fluid properties, fluid dynamics, dimensional analysis, modeling, real flows in closed conduits and open channels, boundary-layers, lift and drag, turbo-machines, computational and experimental methods, resistance and propulsion of marine vehicles, and design problems.

Pre-requisites:

• EOC 3141 (Thermodynamics, with a grade of C or above).
• EOC 3130 (OE Lab), EOC3113 (Dynamics, with a grade of C or above).
• COP 2220 (Program in C).

Textbook:

• Engineering Fluid Mechanics, Seventh Edition by Roberson and Crowe, Wiley.

Coordinator:

• Professor J. S. Tennant, Department of Ocean Engineering.

Goals/Objectives:

• To provide the basic foundation in fluid mechanics in preparation for the study a particular fluid dynamic applications that will be presented in Fluid Mechanics II and convection heat transfer.

Course Topics:

1. Flow Kinematics: Eulerian and Lagrangian descriptions of flow; Flow acceleration; vorticity, Equation of continuity.
2. Fluid Pressure: Pressure field in accelerating flows; Eulers equations; Bernoulli’s equation; Applications of Bernoulli’s equation; Cavitation.
3. Momentum Principle: Integral form of balance of linear and angular momentum; Applications of momentum principle; Navier-Stokes equations.
4. Dimensional Analysis: Dimensional homogeneity; Pi theorem; Similitude; Non-dimensional parameters; Model studies and laboratory-scale experiments; Froude’s method of determining ship resistance.
5. Resistance: Boundary-layer flows; Surface resistance; Boundary-layer control.
6. Flow in Pipes: Laminar flows in pipes; Hagen-Poiseuille solution; Criterion for laminar or turbulent flow in a pipe; Turbulent flow in pipes.

Laboratory Projects:

1. Flow visualization.
2. Pipe flow.

Grading Policy:

• Per Instructor.

Course Outcomes:

1. An understanding of the basic properties of fluids with emphasis on seawater.
2. An understanding of the constitutive equations of fluid flow.
3. The ability to calculate forces associated with momentum changes in fluid flows.
4. A useful working knowledge of dimensional analysis, similarity and modeling which can be applied to a wide spectrum of engineering analyses.
5. A fundamental understanding of the role of viscosity in real flows with emphasis on the calculation of skin friction for external flows and pressure gradients for internal flows.