energy harvesting - an introduction
TRANSCRIPT
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Energy HarvestingMohammad Tawfik
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Energy Harvesting
Mohammad Tawfik
![Page 2: Energy Harvesting - An Introduction](https://reader034.vdocuments.us/reader034/viewer/2022042817/55a67fbf1a28ab666f8b486f/html5/thumbnails/2.jpg)
Energy HarvestingMohammad Tawfik
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If this is energy ...
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Energy HarvestingMohammad Tawfik
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And, this is harvesting ...
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Energy HarvestingMohammad Tawfik
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Then, this must be energy harvesting!
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Energy HarvestingMohammad Tawfik
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Get serious!
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Energy HarvestingMohammad Tawfik
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What is Energy Harvesting?
● According to the institute of physics:
Energy harvesting, or energy scavenging, is a process that captures small amounts of energy that would otherwise be lost as heat, light, sound, vibration or movement
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Energy HarvestingMohammad Tawfik
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Huge amounts of energy come to us from the Sun
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Energy HarvestingMohammad Tawfik
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Some get stored in the wind!
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Energy HarvestingMohammad Tawfik
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Some get stored in the water!
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Energy HarvestingMohammad Tawfik
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Some get stored in ...
● Chemical energy – Petrolium, Coal, Gas, Plants
● Heat energy – Hot Earth!
● Potential Energy - Clouds
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Energy HarvestingMohammad Tawfik
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Another source is Nuclear Energy!
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Energy HarvestingMohammad Tawfik
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Plants have learned harvesting long time ago!
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Energy HarvestingMohammad Tawfik
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We also learned ...
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Energy HarvestingMohammad Tawfik
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Getting some of the potential energy ...
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Energy HarvestingMohammad Tawfik
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Some of the wind energy
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Energy HarvestingMohammad Tawfik
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Some of the heat energy
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Energy HarvestingMohammad Tawfik
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Some of the sea currents energy
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Energy HarvestingMohammad Tawfik
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And so much of the Chemical Energy
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Energy HarvestingMohammad Tawfik
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Yet, so much of the energy
around us is not easily
accessible!
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Energy HarvestingMohammad Tawfik
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Let's just look at ourselves!
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Energy HarvestingMohammad Tawfik
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Have you ever walked?!
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Energy HarvestingMohammad Tawfik
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Ran?
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Energy HarvestingMohammad Tawfik
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Climbed stairs?
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Energy HarvestingMohammad Tawfik
#WikiCoursesHttp://WikiCourses.WikiSpaces.com
Or carried a backpack?
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Energy HarvestingMohammad Tawfik
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As you do all this, a lot of energy is used!
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Energy HarvestingMohammad Tawfik
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Some can be reused!
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Energy HarvestingMohammad Tawfik
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And Piezoelectric materials may help with that!
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Energy HarvestingMohammad Tawfik
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What is a Piezoelectric Material?
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Smart StructuresMohammad Tawfik
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Piezoelectric Material
• Electric Field Mechanical Strain : Actuator• Mechanical Stresses Electrical Potential
Field : Sensor
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Energy HarvestingMohammad Tawfik
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It exists in nature!
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Basic Properties
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Piezo-Fiber Composites
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Energy HarvestingMohammad Tawfik
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It can be manufactured in different forms
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Energy HarvestingMohammad Tawfik
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You may buy it from electronics shops too!
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Energy HarvestingMohammad Tawfik
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Energy HarvestingMohammad Tawfik
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Back to Harvesting!
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Energy HarvestingMohammad Tawfik
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We may install Piezo in a backpack!
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Smart StructuresMohammad Tawfik
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Backpack Power Generator
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Energy HarvestingMohammad Tawfik
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Or, install it in the ground!
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Energy HarvestingMohammad Tawfik
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With cars too!
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Energy HarvestingMohammad Tawfik
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Or install it in the shoes!
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Energy HarvestingMohammad Tawfik
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Energy HarvestingMohammad Tawfik
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How about harvesting your breathing energy?!!!
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MEMS Power Generation
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Energy Harvesters
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Energy HarvestingMohammad Tawfik
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Have you also noticed how much heat do
YOU produce?
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Can we make some use of that too?
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Or heat from your car!
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Energy HarvestingMohammad Tawfik
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Other sources to harvest from!
● Vibration from trains
● Noise Energy
● RF Energy
● Tidal Energy
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Energy HarvestingMohammad Tawfik
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Think farther!
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Energy HarvestingMohammad Tawfik
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Energy HarvestingMohammad Tawfik
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References
● Alireza Khaligh and Omer G. Onar, Energy Harvesting, CRC Press, 2010
● Faruk Yildiz, Potential Ambient Energy-Harvesting Sources and Techniques, The Journal of Technology Studies,
● Paul Ahern, Piezoelectric Energy Harvesting Review, slideshare.net
● J. Paulo and P.D. Gaspar, Review and Future Trend of Energy Harvesting Methods for Portable Medical Devices, Proceedings of the World Congress on Engineering 2010
● Loreto Mateu and Francesc Moll, Review of Energy Harvesting Techniques and Applications for Microelectronics, Proceedings of the SPIE Microtechnologies for the New Millenium, 2005
● Gyuhae Park, Overview of Energy Harvesting Systems, The First Engineering Institute Workshop, slideshare.net