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Unformatted text preview: A1 Solutions 16.888/ESD.77 Feb. 22, 2010 Problem a1 Answers may vary, but anything along the lines of, we expect this to be a great class, will be accepted. Problem a2 a2-1) Wind Turbine • Boundary: Wind turbine blades, connection to the earth, connection to power grid • Inputs: Wind velocity (speed+direction), atmospheric pressure/temperature/humidity, dis- turbances • Outputs: Power, Volume/Height, Noise Cable Stayed Bridge • Boundary: Connection to street, connection to ground, entire surface for wind induced vibra- tions • Inputs: Traﬃc loads and variation, external loads such as wind or water • Outputs: Size, cost Plug-in-hybrid Electric Car • Boundary: Tire surface to road, the plug, fuel tank nozzle • Inputs: Number of passengers, voltage from wall, gas, driving conditions-break or gas pedal use • Outputs: Fuel economy, driving performance, cost, pollution, noise Submarine • Boundary: Submarine structure (hull) • Inputs: water (ballasts), communications signals (electromagnetic), sensing signals (SONAR) • Outputs: water (ballasts), communications signals, SONAR, propelling forces, weapons a2-2) 1 A1 Solutions 16.888/ESD.77 Feb. 22, 2010 (a) Wind Turbine. (b) Cable stayed bridge. (c) Plug-in-hybrid electric car....
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This note was uploaded on 11/08/2011 for the course AERO 16.851 taught by Professor Ldavidmiller during the Fall '03 term at MIT.
- Fall '03