Lecture 1

MAE2402 – Thermodynamics and Heat Transfer

Lecture 1: Introduction and Overview

Teaching staff

� Meng Wai Woo (Lecturer)

� Consultation hours:

Room 206, Building 36

Monday 11am – 1pm

Wednesday 2pm – 4pm

� Phone: 9905 9344

� Email: meng.woo@monash.edu

� Demonstrators:

� Chris, Sean

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

What is this all about?!

� Study of heat and energy and the transfer, transport and conversion of energy

� Thermodynamics

� Science of energy transformation (amoutnand quality)

� Equilibrium state and processes

� Heat transfer

� Science of rate of energy transfer

� Non-equilibrium state and processes

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

What is this all about?!

� Thermodynamics

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

What is this all about?!

� Heat transfer

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Why?!!

� Aerospace applications

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Weekly study commitments

� Lectures (3 hours)

� Tuesday (11am-12pm, CL25/S10)

� Wednesday (9am-10am, CL60/E6)

� Friday (8am-9am, CL60/E6)

� Tutorials & Laboratories (3 hours -alternating)

� Wednesday (2pm-5pm, CL37/157)

� Friday (9am-12pm)

� Private studies (6 hours)

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Assessment Tasks

� Topics tests 3 x 5% = 15%

� Tuesday

� Tuesday

� Tuesday

� Short lab reports 2 x 3% = 6%

� 1 x A4 page of text + data

� Submitted 1 day after lab

� Long lab report 1 x 9% = 9%

� 5-10 x A4 page of text + data

� Submitted 2 weeks after lab

� Final exam (3 hr, closed book) 70%

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Study resources

� Prescribed textbook

� Y.A. Cengel, Introduction to

Thermodynamics and Heat Transfer, 2nd

Edition, McGraw-Hill, 2008

� May use 1st edition as well

� Teaching materials

� Blackboard website

� Further reading

� Chopra

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Communication

� Communication

� Lectures, tutorials, laboratory

� Blackboard website, monash email

� Feedback to you

� Marks, written comments

� Class feedback, group discussion

� Feedback to me

� Email or verbal comments

� Survey, unit evaluations

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Problem solving technique

� Technique 1 – Dimensional homogeneity

� Primary dimensions

� Secondary dimensions

� SI units

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Problem solving technique

� Technique 1 – Dimensional homogeneity

� All terms must be have the same dimensions

(units)

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

2

2

1tatvx +=

Problem solving technique

� Technique 2 – Approach a problem

� Step 1: Problem statement

� Step 2: Schematic

� Step 3: Assumption

� Step 4: Physical laws

� Step 5: Properties

� Step 6: Calculations

� Step 7: Reasoning and discussion

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example

Example

� Two aircrafts are being accelerated from stationary

condition for 5 s prior to take off. The first plane

weighing 3000 kg is being accelerated at 60 kN.

The second plane weighing 2000 kg is being

accelerated at 65 KN. Which plane is faster at take

off?

MAE2402 – Thermodynamics and Heat Transfer

What is this

all about?!

Course

outline

Problem

solving

technique

Example