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MECH ENG 4115 - Engineering Acoustics

North Terrace Campus - Summer - 2023

The fundamentals of sound wave description and propagation, noise control techniques, the hearing mechanism, acoustic instrumentation, noise criteria, psychoacoustics, sound source types and radiated sound fields, outdoor sound propagation, sound power measurement techniques, sound in enclosed spaces, sound transmission loss, acoustic enclosures, acoustic barriers, pipe lagging and reactive and dissipative mufflers.

  • General Course Information
    Course Details
    Course Code MECH ENG 4115
    Course Engineering Acoustics
    Coordinating Unit School of Mechanical Engineering
    Term Summer
    Level Undergraduate
    Location/s North Terrace Campus
    Units 3
    Contact Up to 12 hours per week
    Available for Study Abroad and Exchange Y
    Prerequisites MECH ENG 3028 or MECH ENG 3111, and 6 units of Level II Applied Maths courses
    Incompatible MECH ENG 4115EX, MECH ENG 7027, MECH ENG 7027EX
    Assessment Assignments, Laboratory experiments, Final exam
    Course Staff

    Course Coordinator: Long Hin Poon

    Course Timetable

    The full timetable of all activities for this course can be accessed from .

  • Learning Outcomes
    Course Learning Outcomes
    On successful completion of this course, students will be able to:

    1 Understand the principles of acoustics.
    2 Be able to assess complex occupational and environmental noise problems using acceptable assessment criteria.
    3 Understand the importance of protecting the community from excessive noise and how it damages the hearing mechanism.
    4 Be able to use instrumentation for noise measurement and understand the type of measurements appropriate for various situations.
    5 Understand noise source types and of how sound propagates outdoors.
    6 Understand sound fields in rooms and how they may be controlled.
    7 Be able to design noise control fixtures and develop strategies to reduce occupational and environmental noise to acceptable levels.
    8 Have a deep understanding of the responsibility of engineers to the community in terms of providing a safe healthy environment.
    9 Understand the need to undertake lifelong learning
    University Graduate Attributes

    No information currently available.

  • Learning Resources
    Required Resources
    1. Bies, D.A. and Hansen, C.H., Howard, C.Q., Engineering  Noise Control, 5th edition, CRC Press, London, (2017).
    2. Course notes – these are essential and required.
    Recommended Resources
    1. Hansen, C.H. Noise Control: From Concept to Application  (2005).
    2. Frank J. Fahy, “Foundations of Engineering Acoustics.” L.E. Kinsler et. al.  3rd edn.  "Fundamentals of acoustics"
    3. M. P. Norton, D. G. Karczub, "Fundamentals of noise and vibration analysis for engineers.”
    4. H. Fastland E. Zwicker, “Psychoacoustics Facts and Models”, Springer, 3rd Ed 2007. (free ebook from BSL)
  • Learning & Teaching Activities
    Learning & Teaching Modes

    All lectures will be delivered online. These online lectures will be complemented by learning activities including quizzes, assignments and a face-to-face laboratory experiment. Lecturers will also be available at designated times for consulting in person or via Zoom.

    There will also be the option to participate in all activities entirely remotely.

    Workload

    The information below is provided as a guide to assist students in engaging appropriately with the course requirements.

    This is a 3-unit course which has a minimum workload of 150 hours - approximately 38 hours/per week as it is intensive summer course.

    Learning Activities Summary
    1. Basic
    2. General Noise Control
    3. Instrumentation
    4. The Ear
    5. Criteria
    6. Psychoacoustics
    7. Sound Sources
    8. Sound power
    9. Enclosure and transmission loss of panels
    10. Barriers
    11. Mufflers
  • Assessment

    The University's policy on Assessment for Coursework Programs is based on the following four principles:

    1. Assessment must encourage and reinforce learning.
    2. Assessment must enable robust and fair judgements about student performance.
    3. Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
    4. Assessment must maintain academic standards.

    Assessment Summary
    Assessment Task Task Type Due Weighting %
    Course Learning Outcome(s)
    Quizzes x 14 Formative

    Every Monday, Wednesday and Friday

    0.5% each = 7% Total 1 - 9
    Assignments x 6 Formative Every Monday, Wednesday and Friday 3.5% each = 21% Total 1 - 9
    Practice Exam Formative 10th February 2% 1 - 9
    Lab Summative 2 Weeks after lab 10% 1, 2, 8
    Exam Summative Exam week 60% 1 - 9
    Assessment Related Requirements

    Laboratory experiment and Exam are compulsory hurdle requirement

    • Attend the laboratory experiment (either in person)
    • Submit a lab report.

    Exam

    • Must get at least 40% for exam grade to be considered for passing course and to be eligible for a supplementary.
    Assessment Detail

    Lecture quizzes are submitted electronically and comprises 7% of the total grade of the course.

    Assessments are submitted electronically and comprises 21% of the total grade of the course.

    Final exam is a close book exam contribute 60% towards the total grade of the course, required to achieve at least 40% in the exam to pass the course.

    Submission

    All quizzes, assignments and practical reports must be submitted electronically via MyUni as per instructions for each assessment. All quizzes, tutorials and assignments are submitted online using Mobius/MyUni. Late submissions are not possible as Mobius/MyUni automatically prevents submission after the due time on the due date, unless an extension has been granted and implemented in Mobius/MyUni by the Course Coordinator.

    Extensions for assignments will only be given in exceptional circumstances and a case for this with supporting documentation can be made in writing via email to the Course Coordinator. The Course Coordinator must receive a completed Application for Assessment Extension form (/policies/3303/?dsn=policy.document;field=data;id=7446;m=view) prior to the Assessment Deadline when a student is seeking an extension. There are only three grounds for which an extension can be granted: Medical Circumstances, Compassionate Circumstances and/or Extenuating Circumstances. Course Coordinators cannot grant extensions based on balancing student workloads.

    There will be no opportunities for re-submission of work of unacceptable standard.

    Due to the large size of the class feedback on assignments will be limited to in-class discussion resulting from questions from students and individual automatic feedback through Mobius/MyUni.

    Course Grading

    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.

    Grade Descriptors are available which provide a general guide to the standard of work that is expected at each grade level. More information at Assessment for Coursework Programs.

    Final results for this course will be made available through .

  • Student Feedback

    The University places a high priority on approaches to learning and teaching that enhance the student experience. Feedback is sought from students in a variety of ways including on-going engagement with staff, the use of online discussion boards and the use of Student Experience of Learning and Teaching (SELT) surveys as well as GOS surveys and Program reviews.

    SELTs are an important source of information to inform individual teaching practice, decisions about teaching duties, and course and program curriculum design. They enable the University to assess how effectively its learning environments and teaching practices facilitate student engagement and learning outcomes. Under the current SELT Policy (http://www.adelaide.edu.au/policies/101/) course SELTs are mandated and must be conducted at the conclusion of each term/semester/trimester for every course offering. Feedback on issues raised through course SELT surveys is made available to enrolled students through various resources (e.g. MyUni). In addition aggregated course SELT data is available.

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  • Policies & Guidelines
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