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MEC3107 Thermofluids

Semester 1, 2022 Toowoomba On-campus
Units : 1
Faculty or Section : Faculty of Health, Engineering and Sciences
School or Department : School of Engineering
Grading basis : Graded
Course fee schedule : /current-students/administration/fees/fee-schedules

Staffing

Examiner:

Requisites

Pre-requisite: (MEC2106 and ENM1600) or Students must be enrolled in one of the following Programs: GCNS or GDNS or MENS
Students cannot enrol in MEC3107 if they have successfully completed, or are currently enrolled in, MEC2101 or MEC3102

Overview

Thermofluids is the study of fluids (liquids and gasses) and their interaction with the environment. Engineers take advantage of the ability to perform tasks by changing the temperature of fluids or forcing them to flow. Through an understanding of how these processes occur, engineers are able to refine current practices and devise new systems which perform more efficiently, which is beneficial to the environment and the economy. This course builds upon MEC2106 Introduction to Thermofluids by studying more complex systems and introducing more advanced analysis techniques to investigate the performance of individual components.

The analysis of thermofluids is based around forces and energy: this is how fluids interact with other fluids and solids as part of their environment. A consequence of every process is an increase in the chaos in the universe; the implications for this in engineering systems are explored. The effects of friction on subsonic fluid flow are investigated, while the nature of heat transfer transmitted by solids and fluids is explored in detail for practical situations.

Course learning outcomes

On successful completion of this course students should be able to:

  1. discriminate between systems which behave realistically and those which do not, applying this knowledge to analyse real engineering systems;
  2. analyse the effects of viscosity on the behaviour of fluids in subsonic flows;
  3. analyse the heat transfer through fluids and solids under static and dynamic conditions.

Topics

Description Weighting(%)
1. Introduction 5.00
2. Second law of thermodynamics 10.00
3. Entropy 10.00
4. Engine cycles 10.00
5. Internal viscous flow 15.00
6. External viscous flow 15.00
7. Turbomachinery 15.00
8. Steady heat conduction 10.00
9. Forced convection 10.00

Text and materials required to be purchased or accessed

Cengel, YA, Cimbala, JM, and Turner, RH 2017, Fundamentals of thermal fluid sciences, 5th in SI Units edn, McGraw Hill.
(The text is available in electronic form and in soft cover. This textbook is also used in MEC2106 Introduction to Thermofluids and MEC4108 Advanced Thermofluids.)

Student workload expectations

To do well in this subject, students are expected to commit approximately 10 hours per week including class contact hours, independent study, and all assessment tasks. If you are undertaking additional activities, which may include placements and residential schools, the weekly workload hours may vary.

Assessment details

Approach Type Description Group
Assessment
Weighting (%) Course learning outcomes
Assignments Written Problem Solving 1 No 30 1
Assignments Written Report Yes 20 2
Assignments Written Problem Solving 2 No 50 2,3
Date printed 10 February 2023