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Wind Turbine Powerpoint Template

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Wind turbine.

Transcript: Wind is a form of solar energy. Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the Earth's surface, and rotation of the Earth's axis. Wind Turbin works like a fan but the exact opposite. Instead of using exlectricity to make wind, it uses wind to make electricity. POSITIVE EFFECTS - Wind is free. -You can sell electricity back to the electric company. -Even though wind turbines are very tall they only take up a small amount of land. -Wind turbines have a role to play in both the developed and third world. NEGATIVE EFFECTS -The strength of the wind is not constant and it varies from zero to storm force. This means that wind turbines do not produce the same amount of electricity all the time. There will be times when they produce no electricity at all. -Wind turbines are noisy. Each one can generate the same level of noise as a family car travelling at 70 mph. -When wind turbines are being manufactured some pollution is produced. Therefore wind power does produce some pollution - ETHICAL CONCERNS -The production and use of energy has more impact on the environment than any other human activity. -Wind power is considered one part of the solution to this issue because it is one of the lowest–impact forms of electricity available to us. -Wind power raises interesting ethical questions because while the benefits of clean power are global and regional, the impacts are local. Local decisions about wind power must be made with these global issues in mind. -The main impacts of wind power are visual, auditory, and wildlife effects. This Fact Sheet introduces information on the form and extent of these impacts. It also lists some of the impacts of fossil-fuel-generated electricity for comparison. Sources for more in–depth information are also offered on the last page Wind Turbine. is important WIND TURBINE REPLACES OIL&COAL - In one year a 3-megawatt wind turbine produces as much energy as 12,000 barrels of oil. -To reduce our reliance on foreign oil costing us $700 billion annually, we should install wind turbines wherever the wind blows strongly and steadily. -1.3 Billion Wind Turbines are needed to replace Coal. - Subject 3

Wind turbine

Transcript: Wind Turbine Patricia Wilke What is a wind turbine? a wind turbine is a turbine powered by the wind. Who developed the first wind turbine? Charles F. Brush created the first wind turbine when was the development of the first wind turbine? 1887 how effective is a wind turbine at produceing energy a wind turbine is a significant sorce of alternitave energy How does a wind turbine produce electricity? It transforms, not produces. It transforms wind energy (a mechanical energy) into mechanical energy of motion (the turning blades) due to the pitch of the blades. The moving air pushes the blades sideways and causes them to turn. This rotation is transmitted by mechanical means to an electric generator or alternator where the mechanical energy cause the generator to spin, making electrical energy when was the development of the first wind turbine?

Wind Turbine

Transcript: Wind Turbine Kristi Guerrero Wind turbines have typically two or three blades. They have a roder connected to the main shaft. Three Advantages of a Wind Turbine The wind is free and limitless. It doesn't cause any greenhouse gases or other pollutants. The area where you place the wind turbine can still be used for agriculture. Three disadvanteges of a Wind Turbine The strength of wind isn't always the same and it may not work. Wind turbines don't produce the same amount of energy all the time. Wind turbines can cause noise pollution. A magnetic roder spins inside loops of copper wire. this action causes electrons inside the copper to flow creating electrical energy!

Wind Turbine

Transcript: Tower Design Power vs Current Wind Turbine Design Project San Jose State University E10 Introduction to Engineering 10-17-13, Lab section 20, Team 3 Javier Valencia Materials: PVC Pipe (15.5 inches PVC Pipe Base Wire 4 screws 2 pieces of balsa wood 2 hooks 2 zipties Figure 5. The stiffness was measured using weights in grams. 3 blade design Length: 2.5 inches Height: 0.25 inches Width: 0.7 inches Figure 3. Two pieces of balsa wood support the back of the tower Goals Figure 8. Tread line displays rise of power with current. Height: 16.5 inches Net Weight: 265 g Stiffness: 0.1628 mm/kg Overview Figure 6. Graph of Stiffness from 200g to 1500g Tower Measurements The blade design is the primary cause for the output power of the wind turbine. The max power of the wind turbine is not affected by the RPM of the wind blades The stiffness of tower structure can prevent the loss of force in the power To have a better understanding of the construction of a wind turbine Design a blade with the best efficiency. Create the lightest structure that can still stand against 25 mph of wind Create a tower structure with the least amount of stiffness. Conclusions Optimization of # of blades Use of full possible swept area Use as less material as possible Figure 7. Chart achieves max power between 3-4V. Figure 2. The tower structure from a side view. Figure 1. The blade was constructed through Solidworks. Wind Turbine Blade Design Voltage vs Current by Matthew Ignao Darren Erfe Charles Tseng Edgar Nepacena Figure 4. The base was held firmly by four screws Theoretical power output: 102.098 W Betz limit: 60.544 W Maximum output: 2.85 W Efficiency: 4.7% Increasing the width of the blades to 1 in. Using balsa wood instead of PVC pipe Using a curved blade design and a more obtuse angle. Recommendations for Future Work Rationale for Blade Design Use Solidworks program to design the blades of a wind turbine Create a lightweight and sturdy tower structure. Calculate the stiffness of the structure Calculate the voltage, current, RPM, and power of the wind turbine. Power and Efficiency

Wind Turbine

Transcript: AP PHYSICS PROJECT: Alternative Energy Andrew Nordbye Victor Perez Tomoko Shibata Paul Stromquist What is a wind turbine? To make Bolingbrook High School a more energy-efficient facility. Because Bolingbrook High is in an urban area, it would be advantageous to use vertical axis wind turbines, because of the numerous buildings that block and alter wind paths. Compared to common horizontal axis wind turbines, VAWTs don't have to face the direction of the wind in order to spin. How do wind turbines work? PRODUCTS: Cost-Benefit From the company Urban Green Energy: UGE-4K wind turbines Sanya streetlamps The wind spins the blades an average 5-20 rpm, which is then connected to a machine that produces between 750-3600 rpm, needed to generate electricity. environmentally friendly sustainability tax breaks utility incentives selling electricity back into the grid Harnessing mechanical energy: SANYA Streetlamps Wind Turbine: eddy Rated Output: 600 W Rated Windspeed: 12 m/s Height: 10 m LED Wattage: 77 W Number of LEDs: 1 Height from Ground: 8m Lumens: 6930 LED DC Voltage: 24 V Axis: Vertical Height: 4.6m (15.1 ft) Width: 3 m (9.85 ft) Weight: 461 kg (1016 lb) Swept Area: 13.8 m² (149 ft²) Blade Materials: Carbon Fiber & Fiberglass Rated Power: 4000 W Cut-in Wind Speed: 3.5 m/s (7 mph) Rated RPM: 125 RPM Survival Wind Speed: 55 m/s (123 mph) Rated Wind Speed: 12 m/s (26 mph) Annual Energy at 5.5 m/s: 6000 kWh/yr Sound level at 12 m/s according to IEC 61400-11: < 38 dB Electric generation Grid-Tie: 600 Vdc Features: dual axis rotor design spreads out vertical and horizontal forces along axis, lowers vibration and resistance, increases durability and power almost no sound, does not cause a distraction guaranteed quality for at least 20 years easy installation The electricity is converted from mechanical energy by a generator, through the process of electromagnetic induction. The generator has a coil that rotates between two magnets. A current is induced when the mechanical energy in the system turns the coil in the magnetic field. To place 5 UGE-4Ks on the roof Additional Benefits: A wind turbine is a device that harnesses the energy of the wind, which is then converted into electricity. COST UGE-4K wind turbine Purpose To replace the streetlamps in the parking lot and the sidewalks UGE-4K 350,040 kWh x 5 units = 175,200 kWh annually Sanya 6750 kWh x 30 units = 197,100 kWh annually 175,200 + 197,100 = 372,300 kWh total annually 372,300 x $0.15 = $55,585 annually $500,000 / $55,585 = about 9 years for the return in investment Electromagnetic Induction: The utilization of wind turbines! The wind catches and applies a torque on the blades, thus transferring energy into the turbine system. average price of UGE-4K: $29,640 x 5 average price of Sanya: $10,440 x 30 estimated total (including installation and maintenance cost): $500,000 Proposal/Solution

wind turbine

Transcript: Wind Turbine Prepares student for the future. The wind turbines will be created by the students, the student will be lead by an accredited green engineer. The engineer will lead the students through design and construction of the wind turbines. To get started with this project we have to get the schools to select students for the project. Then we need to find a company willing to help by giving us an green engineer to teach the students. With this done we can begin to design and then build the wind turbine. Creating the Wind Turbines. The schools would save money in their electrical bills, allowing the school to spend the money in areas that are lacking like music and fine arts programs. This would also let the school save their sports programs and any other extra curricular programs and clubs. Creating energy, saves money for the school. How to get started. This would teach student the engineering and science skills, that they will need to have in the field of green energy. Through this they can see how the operation in the real world applications of renewable energy. Providing clean green energy for our school.

Wind turbine

Transcript: city has asked us to make a wind turbine that can create the cities electricity. Step 3 sTEP 4 Step 1 By Matthew and Carter We built Matthews design and It was pretty awesome. We tested it with three trials. We got 7.2, 7.3, and6.8 seconds This is our solution for the cities energy problem. I hope you enjoyed, After that we recorded our average and calculated our work and power. Our Power is .046345 watts. Our work .288512 joules. Our first step was everyone on our team made there own wing design on cad and we tested them all for the best one. Matthew won on the design matrix so we used that design. The Wind Turbine Step two

Wind Turbine

Transcript: Test and Evaluate "Catch the Wind" Project- Wind Turbine Develop Ideas The group had tested our creation by having practice sessions with each idea. After several runs with a successful outcome, we concluded that the specific design was an ideal contribution to the project. A simple sketch, list of measurements, and several basic ideas were used to brainstorm for this project. From past experiences, three of our group members were able to describe a well-functioning wind turbine in order to contribute to the design of our turbine. The group had decided to create a win turbine with three plastic blades, untrimmed and hot-glued to a wooden cylinder. Research A Presentation by... Courtney Gilbert Daniel Lucas Hanna McCauley Nupur Rajkaran Katie Yung Joe Zanin Brainstorming Peter Chung

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