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Unit 83: Aircraft Gas Turbine Engines Bridgwater College Assignment

984 words - 4 pages

Assignment Brief – BTEC
Pearson BTEC Level 3 Extended Diploma in Aeronautical Engineering
Unit number(s) and title covered
UNIT 83: Aircraft Gas Turbine Engines
Learning Aim (for NQF)
Assignment title and number
Assignment 2- Function and operation of gas turbine engines
Student name
Ewan M McGregor/Ray Alderton-Parr
Internal Verifier
Date issued
As per Blackboard/VLE.
Submission deadline
As per Blackboard/VLE.
Assessment Criteria
To achieve the criteria, the evidence must show that the student is able to:
Assessor confirm met
State the advantages and disadvantages of two main types of engine including the use of APUs, in relation to operation, construction and
installation arrangements.
Describe the flow of air through one of the main types of intake.
Describe the function and operation of centrifugal and axial flow compressors.
Describe the use of components and the differences between multiple
can, tubo-annular and annular combustion chambers, giving the advantages of each type.
Describe the function of impulse, reaction and impulse/reaction turbines,
one form of failure and one method of cooling turbine blades.
Describe the use of exhaust components for two of the main types of engine.
Compare and contrast two main types of gas turbine including their ancillaries when installed on a different aircraft types.
Assessor feedback - 1st submission
Did the learner meet the original deadline or agreed extension?
Yes ☐ No ☐
Assessor signature
Resubmission authorised?
Yes ☐ No ☐
New agreed deadline date for submission * must be within 15 days of receiving original assignment back
Lead Internal Verifier signature
Assessor feedback - Resubmission
Assessor signature (resubmission only)
Following the success of the gas turbine maintenance team`s educational visit, the team has been tasked with producing training notes to support the company’s new engineering apprentice. You have been tasked with producing several of the sections. The following tasks detail the requirements.
Remember that this is intended to be inserted into a master document to be used as an educational set of notes for new engineering apprentices. As such your piece of work should contain sufficient information to enable an apprentice, with minimal knowledge of gas turbines, to understand the the topics described and be able to explain each in basic terms. The use of diagrams is encouraged to emphasise your text.
Tasks and criteria covered
Task 1 – P4
Write a section which details the advantages and disadvantages of the following types of gas turbine engines:
a) turbofan
b) turboprop.
You need to research and include details on engine noise reduction, APU’s and ancillaries.
Evidence you must produce for this task: You must produce a written piece of work in the form of an educational set of notes.
Task 2 – P5
Write a section describing the flow of air through...

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