MP4701 - Design & Operation of Sustainable Systems - Engineering Assignment Help

Assignment Task

Question 1: Condition Monitoring

a) What are the main steps in the generic procedure for implementing a condition monitoring programme which are outlined in BS ISO 17359:2011?
b) Answer the following about condition monitoring techniques, according to your experience during the module:
1- With the aid of a block diagram, outline the main elements of the vibration analysis system

2- Name two vibration analysis methods used to analysis vibration signals.

3- For the given accelerometer response -

i. At what approximate frequency does attenuation occur?
ii. What approximate frequency does resonance occur?

4- Name two sources of AE signal in machinery condition monitoring, and the corresponding AE signal types.

5- Name two approaches used in oil debris analysis.

c) For the gearbox (shown in Figure Q1.2), use the BS ISO 13373-3 standard (Equations provided in Appendix A) to calculate the expected defect frequencies of bearings no. 6, if the input shaft speed is 6000rpm.

Given:
Gearbox Data: Type: Reduction Helical Gearbox.
No. of stages: 2
Bearings data: All bearings shown in Figure Q1.2 and Figure Q1.3 are cylindrical roller bearings

Question 2: Qualitative Systems Reliability Analysis

a) HAZOP and FTA are two key concepts to perform system reliability analysis.
(i) Identify the acronyms HAZOP and FTA.
(ii) State the advantages and limitations of FTA with examples.
b) The drivetrain of a wind turbine is composed of the gearbox and the generator, the necessary components that a turbine needs to produce electricity. Figure Q2 below shows the cut-away view of a typical wind turbine drivetrain. State two design for reliability principles according to British Standard and how they could be applied to the wind turbine drivetrain design.

c) Perform an indicative 3-level system break down describing the wind turbine system, ONLY 4 failure modes (at least two different modes for one component) and perform FMECA to prioritise risks. Justify the differences between FMEA and FMECA.

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