Solar thermal Systems Introduction
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This presentation is an introduction regarding solar energy and the solar thermal systems and how they are used to generate energy and electricty.
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Solar thermal Systems Introduction
- 1. Solar Energy Presenter: Mahmoud Eltaweel
- 2. Why Renewable Energy ? Climate Change
- 3. Increasing Electricity Demand: MENA and Worldwide
- 4. The Solar Resource is Large Enough
- 6. Solar Energy Map (Egypt’s Solar Resource) Egypt belongs to the global sun-belt. The country's geographical position is advantageous with solar energy.
- 7. 1.The annual solar irradiation on any m² on earth is equivalent to an energy content of 90 to 230 l oil.
- 8. The war stopped this work, and the mining of coal made it hard to focus on solar energy
- 9. How do solar thermal systems work ? • Solar thermal systems collect heat from daylight onto a collector and generate heat which is transferred to water to generate hot water or to any fluid in a closed system • Heat from sun------into the system----- to the fluid
- 10. Classifications of solar thermal systems
- 11. Solar Tracking Stationary Flat-plate collector Evacuated tube collector Solar Air Collector Unglazed Collector Concentrating Parabolic trough collector Parabolic dish reflector Fresnel collectors Holistat field collector
- 13. Characteristics of Typical SC Types 1. Various solar thermal collectors range from unglazed flat plate-type solar collectors operating at approximately 5°C–10°C above the ambient to central receiver concentrating collectors operating at above 1000°C. *The higher the temperature the higher the cost
- 15. Trick is to minimize paths for thermal losses
- 17. Main losses of a basic flat-plate collector during operation
- 21. Heat pipe
- 24. Typical parameters with reference to the aperture area and application areas for
- 25. Thermosyphon solar water heater
- 26. What if we need more Temperature
- 27. Concentrating solar collectors Concentrating solar collectors use mirrors and lenses to concentrate and focus sunlight onto a thermal receiver. The receiver absorbs and converts sunlight into heat. The heat is then transported to a steam generator or engine where it is converted into electricity.
- 31. Solar tracking
- 33. The energy from the sun sent to the tube heats oil flowing through the tube, and the heat energy is then used to generate electricity in a conventional steam generator
- 34. Parabolic Trough Solar Collector Power Plant
- 35. Dual-Axis Parabolic Trough Collectors Helioman3/32 PTC (M.A.N Corporation, Germany) Rotating Test-Rig for Parabolic Troughs at the PSA, Southern Spain
- 37. Operational solar thermal power stations
- 38. World's largest concentrated solar plant in Morocco 1. Right now, the solar farm is made up of 500,000 curved mirrors, each standing at about 40 feet tall. These mirrors concentrate the sun's light onto a pipeline filled with fluid, heating it up to 466 oC.
- 43. Stirling engine Stirling engines are simple, have high efficiency A Stirling engine/parabolic dish system holds the world’s record for converting sunlight into electricity
- 45. Gemasolar Plant, 20 MW (Spain)
- 46. Solar Energy Disadvantages High initial cost. Uses a lot of space. Weather-Dependent Solar Energy Storage Is Expensive Location of solar cells.
- 47. Conclusion
- 48. Questions
- 49. Thank you