Power2011_Pres - Portable Power Generation Maggie Modica Jason Clark Portable Power Agenda Hand Crank Power Generation Faradays Law EMF Lorentz

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Portable Power Generation Maggie Modica, Jason Clark
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Portable Power Agenda Hand Crank Power Generation Faraday’s Law EMF Lorentz Force Handheld Power Generation No Crank Issues & Takeaways
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Hand Crank Generators
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Hand Cranks Used by military in WWII to power field communication devices More popular today in household items Radios, flashlights, small electric fans Can be made to provide power to cell phones and music players
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Hand Cranks GN-58 hand-crank generator used by military to power RS-1 radio http://www.militaryradio.com/spyradio/rs1.html
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Faraday’s Law emf = (-d/dt) * Ψ = voltage Ψ = (B) (A) = magnetic flux A = area of loop B = magnetic field (-d/dt) = time derivative of the flux Magnetic flux = magnetic field lines over unit area Change of magnetic field in time Voltage is generated from a change in magnetic flux
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Electromotive Force (EMF) When a voltage is generated by a battery (or magnetic force) emf = voltage
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Lorentz Force F charged particle = q [ E + (VxB) ]
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This note was uploaded on 01/24/2012 for the course ECE 317 taught by Professor Peck,t during the Spring '08 term at University of Illinois, Urbana Champaign.

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Power2011_Pres - Portable Power Generation Maggie Modica Jason Clark Portable Power Agenda Hand Crank Power Generation Faradays Law EMF Lorentz

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