Presentation for MSc Thesis
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The document outlines the design and development of a vertical axis micro wind turbine. It discusses the need for alternative energy sources and aims to investigate micro wind turbines for residential, commercial, and industrial use. The main components of a vertical axis wind turbine are described as the blades or rotor, generator, bearings, gears, and shaft. Experimental components considered include different types of rotors, generators like bicycle dynamos and motorcycle alternators, mounted bearings, and planetary gears. The conclusion states that an array of counter-rotating horizontal axis micro wind turbines can be prototyped using optimized fan blades, axial flux permanent magnet generators, planetary gears for counter-rotation and increased generator speed, and robustly designed shafts and mounted bear
![References
1. Small-scale wind energy, in Policy insights and practical guidance (CTC738), F.a.R.A. Department
for Environment, Editor. 2008, Carbon Trust and Met Office.
2. Martin Best, A.B., Pete Clark, Dan Hollis, Doug Middleton, Gabriel Rooney, Dave Thomson and
Clive Wilson, Small-scale Wind Energy – Technical Report, in Urban Wind Energy Research Project
Part 1 – A Review of Existing Knowledge. 2008.
3. Hau, E., Wind Turbines. 2nd ed. Fundamentals, Technologies, Application, Economics. 2006,
Berlin: Springer.
4. Bruce E. Boatner, E.R.D., Eagle, ID (US) 83616, Vertical Axis Wind Turbine With Articulating Rotor.
2010: United States. p. 32.
5. Eti NOVA Project Statement. 2009 [cited 2010 20 April]; Available from: http://www.nova-
project.co.uk/.
6. Forward curved centrifugal TABLOCK Blower Wheels. [cited 2010 20 April]; Available from:
http://www.ht-blowers.com/Tablock%20Blower%20Wheels.pdf.
7. HB-NX70-QR. [cited 2010 20 April]; Available from:
http://techdocs.shimano.com/techdocs/blevel.jsp.
8. SPARX Three Phase POWER Box. [cited 2010 20 April]; Available from:
http://www.britishmotorcyclespares.com/Test_Results.htm.
9. Jacek F. Gieras, R.-J.W., Maarten J. Kamper, Axial Flux Permanent Magnet Brushless Machines.
2004: Kluwer Academic Publishers.
10. Corey, C.A., Epicyclic Gear Train Solution Techniques with Application to Tandem Bicycling, in
Mechanical Engineering. 2003, Virginia Polytechnic Institute and State University: Blacksburg, VA.
11. Childs, P.R.N., Mechanical Design. 2nd ed. 2004, Oxford: Elsevier Ltd.
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Presentation for MSc Thesis
- 1. Design and Development of a Vertical Axis Micro Wind Turbine Prepared by : Murat Islam Supervisor : Dr S O Oyadiji
- 2. Outline 1. Introduction of the main problem 2. Aim of current research 3. Wind energy as a source 4. Types of wind turbines 5. Main components of VAWT 6. Conclusions 7. Q&A 2
- 3. Introduction of the main problem Need of alternative source of energy Increasing demand in electricity consumption High NOx and COy emissions Unstable air flow directions Low speed winds in urban areas 3
- 4. Aim of current research 4 The aim of this research is to investigate the design and development of micro wind turbines for integration into; residential, commercial and industrial complexes.
- 5. Wind energy as a source Renewable Low human footprint Usable in urban areas Betz limit on efficiency 5
- 6. Distribution of yields for installation of a swift 1.5 kW turbine 6
- 7. Impact of low wind speed events amongst area of UK 7
- 8. Illustration of the main features of flow around a cubic building 8
- 9. Preferred locations for different turbine mounting heights on a building 9
- 10. Types of wind turbines Tip speed ratio; Low-speed High-speed Axis of rotation; Vertical axis Horizontal axis 10
- 11. Common rotor concepts with a vertical axis of rotation 11
- 12. Vertical axis wind turbine with articulating rotor patent drawing 12
- 13. Project Nova V shaped vertical axis wind turbine and a ship next to it 13
- 14. Main components of VAWT Blades or rotor Generator Bearings Gears Shaft 14
- 15. Rotors for the experimental use; Forward curved centrifugal TABLOCK Blower Wheel 15
- 16. Rotors for the experimental use; 16
- 17. Generators for the experimental use; 17 Bicycle dynamos
- 18. Generators for the experimental use; Motorcycle alternators 18
- 19. Generators for the experimental use; Axial flux permanent magnet (AFPM) generators 19
- 20. Connection diagram of a three-phase, nine-coil winding of an AFPM brushless machine 20
- 21. Bearings for the experimental use; Mounted radial bearings 21
- 22. Gears for the experimental use; Planetary gears 22
- 23. Conclusions An ARRAY of counter rotating horizontal axis micro wind turbines can be built and a prototype can be tested. Fan blades need to be optimized regarding to tip speed ratios AFPM machines should be used Planetary gears needs to be placed for counter rotation and increased angular speed of AFPM Mounted bearings are suitable for simple fixing Shafts needs to be robust designed 23
- 24. References 1. Small-scale wind energy, in Policy insights and practical guidance (CTC738), F.a.R.A. Department for Environment, Editor. 2008, Carbon Trust and Met Office. 2. Martin Best, A.B., Pete Clark, Dan Hollis, Doug Middleton, Gabriel Rooney, Dave Thomson and Clive Wilson, Small-scale Wind Energy – Technical Report, in Urban Wind Energy Research Project Part 1 – A Review of Existing Knowledge. 2008. 3. Hau, E., Wind Turbines. 2nd ed. Fundamentals, Technologies, Application, Economics. 2006, Berlin: Springer. 4. Bruce E. Boatner, E.R.D., Eagle, ID (US) 83616, Vertical Axis Wind Turbine With Articulating Rotor. 2010: United States. p. 32. 5. Eti NOVA Project Statement. 2009 [cited 2010 20 April]; Available from: http://www.nova- project.co.uk/. 6. Forward curved centrifugal TABLOCK Blower Wheels. [cited 2010 20 April]; Available from: http://www.ht-blowers.com/Tablock%20Blower%20Wheels.pdf. 7. HB-NX70-QR. [cited 2010 20 April]; Available from: http://techdocs.shimano.com/techdocs/blevel.jsp. 8. SPARX Three Phase POWER Box. [cited 2010 20 April]; Available from: http://www.britishmotorcyclespares.com/Test_Results.htm. 9. Jacek F. Gieras, R.-J.W., Maarten J. Kamper, Axial Flux Permanent Magnet Brushless Machines. 2004: Kluwer Academic Publishers. 10. Corey, C.A., Epicyclic Gear Train Solution Techniques with Application to Tandem Bicycling, in Mechanical Engineering. 2003, Virginia Polytechnic Institute and State University: Blacksburg, VA. 11. Childs, P.R.N., Mechanical Design. 2nd ed. 2004, Oxford: Elsevier Ltd. 24