Download - HOT TOPICS: Wind Energy Rachel Ruggirello, Science Educator Paul Markovits , Science Educator
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HOT TOPICS: Wind EnergyRachel Ruggirello, Science Educator
Paul Markovits, Science Educator
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
NREL Map of Infrastructure and Potential Renewable Energy SourcesLocate the best
region(s) for each
type of renewable
energy.
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Aims of this Workshop
PEDAGOGY• Determine the ways in which wind energy can be used to
teach physical science content, the engineering design process and inquiry skills
• Develop competency in hands-on, inquiry demonstrations and lab experiences about wind energy for the classroom
SCIENCE CONTENT• Differentiate between renewable and nonrenewable energy
sources • Explain the properties of fluids, like water an air, and how
these characteristics, combined with the energy of the sun, create wind
• Investigate the force of wind and determine the impact of a variety of factors on wind power
• Explore the components and design considerations of wind turbines
• Create an ideal blade design and analyze the efficiency of wind turbines using this design
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
What is Energy?
• Energy makes change possible. We use energy for everything we do.
• Heat, light, motion, electrical, chemical, nuclear, gravitational
• How would you classify the forms listed above?
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Clean Energy?
• The growth of clean and domestic renewable energy is an important part of addressing climate change and increasing energy security.
• What are some examples of clean and renewable energy sources?
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Wind Energy as a Theme for Teaching Science
Strand 5-8 9-12Inquiry •Abilities
necessary to do scientific inquiry•Understanding of scientific inquiry
•Abilities necessary to do scientific inquiry•Understanding of scientific inquiry
Physical Science
•Transfer of energy
•Conservation of energy and increase in disorder•Interactions of energy and matter
Science and Technology
•Abilities of technological design•Understanding about science and technology
•Abilities of technological design•Understanding about science and technology
• Interdisciplinary topic
• Hits on many important strands of the NSES
• Can emphasize some content more heavily to meet needs of your curriculum
• Tied to basic scientific principles
• Authentic problem• Focus of current
scientific research, engineering applications and industry
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
What is Wind??
• 1 to 2% of the sun’s radiation turns into wind energy when it arrives on Earth
• This is 100 times all of the energy consumed on the planet!!
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Nature of wind
• Wind is affected by many climatic and geographic factors• Wind is intermittent • Win occurs both on land and at sea• Wind speed is affected by topography and elevation• Landforms affect the speed, frequency and turbulence of wind
• A minimum of 3 m/s is needed to drive a wind turbine and generate electricity
• A 10% increase in wind speed will lead to ~30% increase in power output from a wind turbine
Did you know?
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
How do human’s use wind?
• Humans have been harnessing wind since 500-900 AD
• Ancient farmers in Persia used wind power for water-pumping
• Wind power turns kinetic energy of wind into mechanical or electrical power
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
The Windmill
• Windmills were improved and perfected over 500 years (1300 – 1875 AD)
• Windmills used wind power to turn the rotor (rotational motion) and then transfer this energy to mechanical energy
• To grind, crush, press, or pump
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Wind Turbines
• A type of windmill that transforms the mechanical energy of the turning rotor into electricity using a generator
• Much, much larger than windmills• Can have rotor diameters of 145 meters and be as tall as 50 story buildings!!!
• Wind farms are comprised of many wind turbines placed strategically
Wind farm in the Midwest.
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Inside the Wind Turbine
The Nacelle: Where
wind becomes
electricity.
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Science Concepts Students NEED to Know
• Density• Pressure• Kinetic Molecular Theory• Lift Force• Newton’s Laws of Motion• Speed• Elevation and Topography• Climate• Energy Transfer, Transformation
and Conservation• Electricity• Series and Parallel Circuits• Power, Volts, and Amps• Technological Design and
Experimentation
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Overview of Today
• WIND ENERGY CURRICULUM• What’s in the Handout?
• POGIL Models – • Investigating the Force of Wind
» Do Models 1 and 2 (Matter and Density) – pp. 6-8» Do Model 8 (Hot Air Balloons) – pp. 26-17
• DEMOS• Warm fluid rises?• Hot air balloons
• LABS• Effect of topography on wind• Investigating generators and turbines
• CHALLENGE• Build the most efficient turbine by modifying blade design
• EXTENSION• Creating a wind farm
• CLOSING and EVALUATION
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Thank you!!!! Information about borrowing kits will be sent to you via email Please sign up for the next Hot Topics Workshop on Bioenergy taking place on Saturday, February 5th.
Rachel [email protected]
Paul [email protected]
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
WIND TURBINE BLADE DESIGN
Examples of Wind Turbines of a Variety of Blade Materials, Numbers, Orientation, and Pitch
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Carter Wind Turbines Ltd
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Garrad Hassan
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: National Energy Education
Development Project
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Lysippos, Wikimedia
Commons author
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Aerogenerator X –
compare to a sycamore
seed because it rotates on
its axis
Source: The Guardian
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Hummer Wind Turbines
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Hummer Wind
Turbines
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Honeywell Wind
Turbines
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: World News
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Green Terra Firma
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source: Domestic Fuel
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PARC is supported by the US Department of Energy, Office of Basic Energy Sciences as part of an Energy Frontier Research Center.
Source:
Treehugger.com