Design and manufacturing of a micro hydraulic francis turbine: a case study at Ban Khun Pae, Thailand | |
| Author | Choosak Ngaongam |
| Call Number | AIT Thesis no.ISE-13-04 |
| Subject(s) | Turbines--Thailand--Ban Khun Pae Hydraulics--Thailand--Ban Khun Pae |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Industrial and Manufacturing Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. ISE-13-04 |
| Abstract | The model of Francis turbine was developed for hydropower plant at Ban Khun Pae, based on 6 months of water characteristics. For runner model was developed by using ellipse curve concept and used ruled surface for blade construction. Other component designing such as, turbine shaft selection, bearing selection, shaft sealing, coupling method, guide vane control and etc. were considered under mechanical calculation then modeling in Solidworks software. The machining algorithms of Francis runner were developed with the CAM modules in Mastercam X5, and then simulated machining in Vericut 7.1 by using 1312 MC Makino horizontal machining center model for verification. In machining process, the runner was designed to machine without shroud then the toolpath for milling hub surface and blade surface were generated. The sequence of machining processes were roughing on hub surface, finishing on blade surface and finishing on the hub surface. When finishing on blade surface, there were two options for machining: point milling and ruled milling method. For ruled milling provided the better surface quality and less time machining than point milling method, but there was a little bit undercut at the middle region of blade surface. The total time for machining Francis runner was 108.2 hrs when implemented finishing blade surface with ruled milling method and 154.8 hrs when implemented finishing blade surface with ruled milling method. |
| Keyword | Hydraulic turbine; Francis runner; Mechanical design; 5-Axis machining; Concurrent engineering. |
| Year | 2013 |
| Corresponding Series Added Entry | Asian Institute of Technology. Thesis ; no. ISE-13-04 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Department of Industrial Systems Engineering (DISE) |
| Academic Program/FoS | Industrial Systems Engineering (ISE) |
| Chairperson(s) | Bohez, Erik L.J. |
| Examination Committee(s) | Mongkol Ekpanyapong;Makhanov,Stanislav S. |
| Scholarship Donor(s) | Royal Thai Government Fellowship |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 2013 |