ME207 Thermofluids

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Title

Thermofluids

Code

ME207

Level

5

Credit rating

10

Pre
-
requisites

ME107 and ME101, or equivalent.

Type of module

Single module

Aims

To develop an understanding of the fluid dynamics, thermodynamics and heat transfer
processes that are relevant
to engineering applications.

Learning outcomes/objectives

By the end of this module students are expected to understand and be able to solve
problems in:



Incompressible flow around airfoils



Fluid machinery



Vapour cycles

Content

I ncompressible Aerodynamic
s
: Definitions of terms and their significances; pressure
distribution, lift and drag coefficients, variation with incidence and Reynolds number.
Induced drag. Wind tunnel techniques; rotating aerofoils e.g. fans and propellers.

Fluid Machines
: Analysis of

rotodynamic machinery; including turbines, propellers, fans
and water pumps, momentum analysis, velocity vector diagrams, impulse and reaction
turbines, definitions of efficiencies, selection, specific speeds.

Fluid Power
: Introduction to pumps and motors
.

The Second Law of Thermodynamics
: Reversibility and entropy as a criterion of
irreversibility; probabilistic concept of entropy, equations for change of entropy of perfect
gases, isentropic processes. Clausius Inequality, principle of increase in entrop
y.

Mixtures of Gases and Vapours
: Properties of mixtures; air/water vapour mixtures,
applications including air . Molier and Psychrometric charts.

Vapour Cycles
: Rankine cycle, turbine isentropic efficiencies. Vapour compression
refrigeration cycle, p
-
h di
agrams.

I ntroduction to Heat Transfer
: Modes of heat transfer; general conduction equation,
application to simple geometries, convection coefficients, significance of boundary
layers, non
-
dimensional parameters. Introduction to radiation.

Teaching and lea
rning strategies

Lectures and tutorials.

Learning support

Indicative reading:

J.F.Douglas, J.M.Gasorek and J.A.Swaffield, "Fluid Mechanics", Longman, 3rd edition,
1995.

Y.A.Cengel, "Introduction to Thermodynamics and Heat Transfer", McGraw
-
Hill, 1997.

As
sessment tasks

70% Exam : 30% Coursework

Brief description of module content
and/or aims (maximum 80 words)

Provides an introduction to incompressible aerodynamics, fluid machinery, vapour cycles
and heat transfer.

Area examination board to which
module
relates

Mechanical Engineering

Module team/authors/ coordinator

Dr. S. Sazhin

Semester offered

2

Date of first approval


Date of last revision


Date of approval of this version

July 2000

Version number

2

Replacement for previous module


Field for w
hich module is acceptable
and status in that field

Mechanical Engineering

Course(s) for which module is
acceptable and status in course

Compulsory for:



MEng/BEng (Hons) Mechanical Engineering



BEng (Hons) Manufacturing Systems



BEng (Hons) Mechanical and En
vironmental Engineering



BEng (Hons) Mechanical and Aeronautical Design Engineering



BEng (Hons) Automotive Engine Design

School home

School of Engineering

External examiner

Dr G. Alexander