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Competency Element |
A brief summary of how you have applied the element |
Paragraph number in the career episode(s) where the element is addressed |
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PE1 KNOWLEDGE AND SKILL BASE |
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PE1.1 Comprehensive, theory-based understanding of the underpinning natural and physical sciences and the engineering fundamentals applicable to the engineering discipline |
The focus of the report was the development of an alternative source of energy that could be used in marginalized areas. Our invention comprised connecting a turbine and pump to a motor to create a micro-hydro electricity generating system. The underpinning principles that we relied on were fluid dynamics and theory of machines |
Page 10, paragraph 1 Page 13, paragraph 1 Page 23, paragraph 2 |
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PE1.2 Conceptual understanding of the mathematics, numerical analysis, statistics and computer and information sciences which underpin the engineering discipline |
We designed the system in two parts: the hydraulic station that consisted of a 5142mm3 storage tank, the water wheel which was a bicycle rim with 40 spokes and a 0.5hp centrifugal pump; the electricity generation station which comprised a generator with a rating of 500watts. The calculations carried out were used to determine the power and current generated by the system based on the formula P= V x I, where P refers to power, V refers to voltage and I refers to current We carried out finite element analysis using Solid works software to determine the basic statistics of the entire system |
Page 38, paragraph2 Page 39, paragraph 2 Page 54, paragraph 1 Page 45, paragraph 2 |
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PE1.3 In-depth understanding of specialist bodies of knowledge within the engineering discipline |
We compared the characteristics of different turbines that we could incorporate in our device. The Pelton wheel, although very efficient would be too expensive. The second type of turbine was the water wheel which formed the basis of the design of our turbine which was the rim of a bicycle wheel The manufacturing processes of the various tools that were to be incorporated in the device were discussed such as drilling, gas cutting, welding and riveting. We used welding to soldier the tank together as well as the frame. We used bolts and nuts to the shaft that connected the wheel to the pulley. |
Page 13, paragraph 1&2 Page 39, paragraph 2 Page 49, paragraph 1 |
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PE1.4 Discernment of knowledge development and research directions within the engineering discipline |
Our primary source of information was observations we carried out in the laboratory on the output of our free generator. Secondary sources of information such as books, website articles and journals were used to gather background information on various types of turbines (Pelton wheel, water wheels), their operation, advantages and disadvantages. We consulted current engineering Indian standards and specifications to guide our product development |
Page 53, paragraph 2, 3 &4 Page 13, paragraph1 Page 15,paragraph 4 |
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PE1.5 Knowledge of contextual factors impacting the engineering discipline |
The social environment of this project is the need for clean, sustainable and non-polluting energy. This is necessitated by the need to protect the earth’s resources Moreover, we needed to understand the specifications, the regulatory laws of the region where this project would be implemented. We also needed to understand the conditions of the environment where it would be implemented that would affect the performance of the device such as availability of parts and environmental factors |
Page 1, paragraphs 1-4 Page 11, paragraph 2 |
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PE1.6 Understanding of the scope, principles, norms, accountabilities and bounds of contemporary engineering practice in the specific discipline |
We operated within the current engineering standards and followed specifications in the manuals and guides As a team we were accountable to provide a device which would ne be harmful to the environment. We ensured we used easily available parts and that the manufacturing methods did not require a lot of energy. Also, the device was designed to be long lasting to ensure that parts were not discarded, contributing to waste Contemporary engineering practices are geared towards sustainable innovations and with proper maintenance and care this invention should operate for a long time |
Page 11, paragraph 4 Page 55, paragraph 1 |
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PE2 ENGINEERING APPLICATION ABILITY |
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PE2.1 Application of established engineering methods to complex engineering problem solving |
The method adopted in this report was a 4-part approach to solving a problem. The first part was identification of the problem to be solved. In this case, inefficiency of current sources of energy The second part involved drafting solutions, comparing them against each other. We tried three approaches and while the first 2 were unsuccessful we were successful with the third. The third was stage was conceptualization of the system and prototyping. We used Solid works for 3D conceptualization of the device and lastly, we implemented the system and monitored its performance. The device was successful in generating 347 watts of power. |
Page 10, paragraph 2 Page 34, paragraph 2 Page 35, paragraph 3 Pages 44, paragraph 1 Page 53, paragraph 4 |
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PE2.2 Fluent application of engineering techniques, tools and resources |
The engineering techniques used in this report included different manufacturing processes for the various parts that were included in the system Solid works was used as a simulation and 3D visualization tool. We used it to carry out finite element analysis of the device to analyze the forces acting on the tank, the wheel spokes and the pulleys. The initial prototype was assembled using parts that could be easily sourced and tested in the laboratory |
Page 34, paragraph 2 Page 49, paragraph 1 |
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PE2.3 Application of systematic engineering synthesis and design processes |
We first started with an initial sketch of how the system would operate and carried out discussions to iterate the sketch. Then we produced a computer simulation of the reservoir, with the water wheel and pulleys attached. We then moved on to the workshop testing where we combined the hydraulic system to electric generator in one circuit. |
Page 34, paragraph 4 Pages 45, paragraph 1 |
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PE2.4 Application of systematic approaches to the conduct and management of engineering projects |
We came up with a project timeline and milestones in order to measure progress with the project and ensure we adhered to our deadlines. We ensured that any technical issues that were raised during the operation of the prototype were addressed and discussed as a team as promptly as was possible We carried out a basic lifecycle analysis of the device to ensure that it would profitable in the long term as well |
Page 53, paragraph 1 Page 11, paragraph 3&5 |
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PE3 PROFESSIONAL AND PERSONAL ATTRIBUTES |
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PE3.1 Ethical conduct and professional accountability |
As a team we ensured that the data recorded was the data observed in the laboratory and the workshops. We were thorough in reviewing our calculations to ensure that no errors were made. Also when the first two approaches failed to meet desired expectations, we recorded honest observations and tried a different approach. We purposed to ensure that we recorded expected reasonable performance of the device without any misleading information on operation of the device. |
Page 53, paragraph 2&3 Page 54, paragraph 1 |
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PE3.2 Effective oral and written communication in professional and lay domains |
The report was divided as set standards of engineering reporting to ensure that the information was delivered clearly and easy to follow. In addition, Data collected from the experiment was set out clearly We ensured that the sketches done, screenshots and pictures taken were clear enough to ensure proper communication. As the team leader I encouraged healthy discussions between the team members during discussions. Also, we ensured the data we acquired form consultation sessions with the professors and the laboratory technicians was recorded correctly and clearly. |
Pages 10 heading Page 13, heading Page 44 paragraph 1 Page 54, paragraph 1 |
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PE3.3 Creative innovative and proactive demeanour |
In order to meet the overall objective of the project we decided to approach this task from as many angles as we could. This effectively enabled us to, for instance repurpose an ordinary bicycle wheel as a water wheel. Moreover, I encouraged our team members to be proactive in the acquisition of information |
Page 39, paragraph 1 |
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PE3.4 Professional use and management of information |
We detailed the different methods that we used in the report so that the same can be replicated anywhere and anytime We also detailed different considerations that should be made while assembling the device to ensure that it functions properly. |
Pages 36 paragraph 2 Page 42 paragraph 2 |
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PE3.5 Orderly management of self, and professional conduct |
As the group leader I ensured that I attended all the group’s meetings and was punctual I ensured that we did a comprehensive search for information regarding the project from different sources and consultation with different parties Guided by the overall aim of the project, I ensured that the tasks we were engaged in as a team were relevant and productive to the project. |
Page 16, paragraph 1, 2,3 Page 17. Paragraph 1, 2,3 |
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PE3.6 Effective team membership and team leadership |
We allocated different segments of the report to different team members and encouraged effective collaboration between the different sub teams. We strived to ensure that the quality of the work we provided was up to par and delivered within deadline. I was personally committed to ensure that each of the members ideas, concerns and questions were addressed and incorporated into the research and design |
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