MECH ENG 4107 - Airconditioning
North Terrace Campus - Semester 2 - 2016
The course information on this page is being finalised for 2016. Please check again before classes commence.
General Course Information
Course Code MECH ENG 4107 Course Airconditioning Coordinating Unit School of Mechanical Engineering Term Semester 2 Level Undergraduate Location/s North Terrace Campus Units 3 Contact Up to 4.5 hours per week Available for Study Abroad and Exchange Y Incompatible MECH ENG 4013 Assumed Knowledge MECH ENG 3020 OR MECH ENG 3102 Course Description Vapour compression cycles; heat transfer in two-phase flow; types, selection and operation of refrigeration plant; psychrometrics; climatic data and its use; load estimation and analysis; constant and variable air volume systems; human comfort and health; cooling and dehumidifying coils; controls; fans and duct systems; system balancing; energy efficiency in buildings.
Course Coordinator: Dr Antoni Blazewicz
The full timetable of all activities for this course can be accessed from Course Planner.
Course Learning Outcomes
On completion of the course, students should:
1 Have a good understanding of the principles of air conditioning design, and consideration that influence the design including human comfort, weather and environmental parameters and building structure; 2 Be equipped with basic design skills to be able to estimate life-cycle costing and choose the right type of system; 3 Have a deep understanding of load estimation and analysis, psychometric analysis of a system and climate data and its use; 4 Have a good introduction to plant design, choosing plant components and understanding their characteristics and operating modes; 5 Develop a good knowledge of the computational methods used in air conditioning design; 6 Have developed analytical cognitive skills and improve problem solving skills in air conditioning; 7 Be able to effectively work in a team; 8 Be able to prepare a technical report.
University Graduate Attributes
No information currently available.
Airconditioning Lecture Notes and Level 4 Labbook – available from the Image & Copy Centre
- McQuinston, F. C., Parker, J. D., Spilter, J. D., Heating, Ventilation and Air Conditioning, Analysis and Design, 5th Edition, USA, John Wiley & Sons Inc, 2000
- C P Arora, C. P., Refrigeration and Air Conditioning, 2nd Edition, Tata McGraw-Hill Publishing Company, New Delhi, 2000;
- Stoecker, W. F., Jones, J. W., Refrigeration and Air Conditioning, 2nd Edition, McGraw Hill, 1982;
- ASHRAE (American Society of Heating, Refrigeration and Air Conditioning) Handbooks: Fundamentals, Refrigeration, HVAC Systems & Equipment, HVAC Applications;
- Howell, R. H., Sauer, H. J. (Jr), Coad, W. J., Principles of Heating Ventilating and Air Conditioning, USA: ASHRAE, 1998;
- Kimura, K. I., Scientific Basis of Air Conditioning, Applied Science Publishers, London, 1977;
- Wang, S. K., Handbook of Air Conditioning and Refrigeration, McGraw Hill, New York, 1993.
The material available through MyUni:
- Course Outline and Introduction
- Course Content
- Lecture Notes
- Past exams
MyUni is also used to communicate important announcements.
Learning & Teaching Activities
Learning & Teaching Modes
Lectures supported by modes developing material covered in lectures. These modes include problem-solving analytical tutorials, problem-solving computer based tutorials involving professional software, and laboratory involving collecting and analysing airconditioning data.
The information below is provided as a guide to assist students in engaging appropriately with the course requirements.
Course workload includes 45 hours lectures and tutorials, and 5 hours laboratory
Learning Activities Summary
This course consists of combination of lectures and tutorials:Introduction to Air-conditioning Systems – 2 hrs
- complete systems
- a/c and distribution systems
- all-air systems
- air-and-water systems
- induction systems
- all-water systems
- unitary air conditioners
- heat pumps
- heat recovery systems
- thermal storage
Psychrometrics – 6 hrs
- psychrometric chart
- basic processes
Design Conditions – 4 hrs
- physiological principles
- design conditions
Solar Heat Gain – 2 hrs
- polar angles
- heat gain through fenestration
- shading devices
Heating Load Calculations – 2 hrs
- heat losses
- general procedure
- selecting heating design conditions
Cooling Load Calculations – 4 hrs
- heat flow rates
- heat balance fundamentals
- initial design considerations
- heat gain calculation concepts
- heat sources in conditioned spaces
Energy Estimating Methods – 2 hrs
- energy estimating methods
- overall modelling strategies
- integration of system models
- degree-day methods
Compressors, Expansion Devices and Refrigerants – 3 hrs
- reciprocating compressors
- rotary screw compressors
- vane compressors
- centrifugal compressors
- expansion devices
Condensers and Evaporators – 4 hrs
- cooling and dehumidifying coils
- condensers and evaporators
- cooling towers
Funs, Ducts, Pumps and Piping – 6 hrs
- funs – characteristics, performance, selection and installation
- ducts – pressure drop, design and optimization
- piping – water and refrigerant
Air-conditioning software – 4 hrs
- computer training
Industrial visit – 2 hrs
Practical aspects of a/c design (guest lecturer) – 2 hrs
Modern Topics in Air conditioning – 2 hrs
Specific Course Requirements
Laboratory: This course includes laboratory involving working in a team collecting and analysing airconditioning data.
Laboratory location: Thebarton Campus; Approximate duration: 5 hrs
The University's policy on Assessment for Coursework Programs is based on the following four principles:
- Assessment must encourage and reinforce learning.
- Assessment must enable robust and fair judgements about student performance.
- Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
- Assessment must maintain academic standards.
All learning objectives, except ability to work in a team, are assessed through assignments, laboratory and examination. The ability to work in a team is assessed through the laboratory:
Assignments 20%, laboratory 10%, final exam 70%
Assessment Related Requirements
The Laboratory is compulsory part of a course. If a lab session is missed or a lab report not handed in or a student fails to get at least 35% of the total possible lab mark, then that is grounds for FAILURE of the entire course.
Assignments – individual, distributed through a semester two weeks prior to a submission date
Laboratory – assessment based on lab participation and a report
Final exam – open-book, 3 hours.
Assignments and lab reports should be submitted via corresponding Course Submission Box located on level 2 of Engineering South Building. A penalty for late submission will be applied – 10% per working day (weekends and holidays not included). In special cases extensions can be granted on individual basis. A “turn-around” timeline on assessments and the provision of feedback to students is approximately 2 weeks. . Re-submission of work is not allowed.
Grades for your performance in this course will be awarded in accordance with the following scheme:
M10 (Coursework Mark Scheme) Grade Mark Description FNS Fail No Submission F 1-49 Fail P 50-64 Pass C 65-74 Credit D 75-84 Distinction HD 85-100 High Distinction CN Continuing NFE No Formal Examination RP Result Pending
Further details of the grades/results can be obtained from Examinations.
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