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Content

# MEC4103 Heat Transfer

 Semester 1, 2019 On-campus Toowoomba Short Description: Heat Transfer Units : 1 Faculty or Section : Faculty of Health, Engineering and Sciences School or Department : School of Mechanical and Electrical Engineering Student contribution band : Band 2 ASCED code : 030799 - Mechanical, Industrial Enginee Grading basis : Graded

## Staffing

Examiner: Khalid Saleh

## Requisites

Pre-requisite: MEC3102 or Students must be enrolled in one of the following Programs: GCEN or METC or MEPR or MENS

## Rationale

Heat transfer is a necessary process in virtually all forms of energy generation and use; from coal fired to nuclear power stations, from automobile engines to rocket motors, from refrigerating cold stores to air conditioning space vehicles. A sound knowledge of this field is essential for all mechanical engineers.

## Synopsis

This course further develops the basic physics concepts and principles learned in thermodynamics and fluid mechanics to heat transfer in its three different modes. The three modes are conduction, convection (free and forced) and radiation. Application of these principles to practical industrial applications is an important aspect of this course.

## Objectives

The course objectives define the student learning outcomes for a course. On completion of this course, students should be able to:

1. identify the various modes of heat transfer that are taking place in a particular system;
2. analyse and design simple and complex thermofluids systems working at steady or non steady situations using analytical and numerical methods;
3. modify existing designs to achieve high efficiency.

## Topics

Description Weighting(%)
1. Basic modes of heat transfer 12.00
2. Conduction 18.00
3. Numerical analysis of heat conduction 12.00
4. Analysis of convection heat transfer 8.00
5. Natural convection 8.00
6. Forced convection inside tubes and ducts 8.00
7. Forced convection over exterior surfaces 8.00
8. Heat exchangers 10.00
9. Heat transfer by radiation 16.00

## Text and materials required to be purchased or accessed

ALL textbooks and materials available to be purchased can be sourced from USQ's Online Bookshop (unless otherwise stated). (https://omnia.usq.edu.au/textbooks/?year=2019&sem=01&subject1=MEC4103)

Cengel, YA. Ghajar, AJ 2014, Heat and Mass Transfer (SI Units), 5th edn, McGraw Hill Higher Education.

## Reference materials

Reference materials are materials that, if accessed by students, may improve their knowledge and understanding of the material in the course and enrich their learning experience.
Holman, JP 2010, Heat transfer, 10th edn, McGraw Hill, New York.
Incropera, FP & De Witt, DP 2013, Fundamentals of heat and mass transfer, 7th edn, Wiley, New York.
Kreith, F. Manglik, RM & Bohn, MS 2011, Principle of heat transfer, 7, Cengage Learning, Stamford, CT.

Activity Hours
Assessments 15.00
Examinations 2.00
Lectures 39.00
Private Study 73.00
Tutorials 26.00

## Assessment details

Description Marks out of Wtg (%) Due Date Objectives Assessed Notes
ASSIGNMENT 1 150 15 30 Apr 2019 1,2
ASSIGNMENT 2 250 25 30 May 2019 2,3
2 HOUR RESTRICTED EXAMINATION 600 60 End S1 1,2,3

## Important assessment information

1. Attendance requirements:
It is the students' responsibility to attend and participate appropriately in all activities (such as lectures, tutorials, laboratories and practical work) scheduled for them, and to study all material provided to them or required to be accessed by them to maximise their chance of meeting the objectives of the course and to be informed of course-related activities and administration.

2. Requirements for students to complete each assessment item satisfactorily:
To satisfactorily complete an assessment item a student must achieve at least 50% of the marks or a grade of at least C-. Students do not have to satisfactorily complete each assessment item to be awarded a passing grade in this course. Refer to Statement 4 below for the requirements to receive a passing grade in this course.

3. Penalties for late submission of required work:
Students should refer to the Assessment Procedure http://policy.usq.edu.au/documents.php?id=14749PL (point 4.2.4)

4. Requirements for student to be awarded a passing grade in the course:
To be assured of receiving a passing grade a student must obtain at least 50% of the total weighted marks available for the course (i.e. the Primary Hurdle), and have satisfied the Secondary Hurdle (Supervised), i.e. the end of semester examination by achieving at least 40% of the weighted marks available for that assessment item.

Supplementary assessment may be offered where a student has undertaken all of the required summative assessment items and has passed the Primary Hurdle but failed to satisfy the Secondary Hurdle (Supervised), or has satisfied the Secondary Hurdle (Supervised) but failed to achieve a passing Final Grade by 5% or less of the total weighted Marks.

To be awarded a passing grade for a supplementary assessment item (if applicable), a student must achieve at least 50% of the available marks for the supplementary assessment item as per the Assessment Procedure http://policy.usq.edu.au/documents/14749PL (point 4.4.2).

5. Method used to combine assessment results to attain final grade:
The final grades for students will be assigned on the basis of the weighted aggregate of the marks (or grades) obtained for each of the summative assessment items in the course.

6. Examination information:
In a Restricted Examination candidates are allowed access only to specific materials during the examination. The only materials that candidates may use in the restricted examination for this course are:
1. writing materials (non electronic and free from material which could give the student an unfair advantage in the examination);
2. an A4 sheet (2 sides) containing any information that they believe will be relevant for the examination;
3. a calculator which cannot hold textual information (students must indicate on their examination paper the make and model of any calculator(s) they use during the examination.

7. Examination period when Deferred/Supplementary examinations will be held:
Any Deferred or Supplementary examinations for this course will be held during the next examination period.

8. University Student Policies:
Students should read the USQ policies: Definitions, Assessment and Student Academic Misconduct to avoid actions which might contravene University policies and practices. These policies can be found at http://policy.usq.edu.au.

## Assessment notes

1. Students must familiarise themselves with the USQ Assessment Procedures (http://policy.usq.edu.au/documents.php?id=14749PL).

2. Referencing in Assignments must comply with the Harvard (AGPS) referencing system. This system should be used by students to format details of the information sources they have cited in their work. The Harvard (APGS) style to be used is defined by the USQ library’s referencing guide. These policies can be found at http://www.usq.edu.au/library/referencing