This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
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: Trac 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....
View Full Document
- Fall '03