ece231assn4 - ECE 231 Fall 2010 Programming Assignment 4...

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ECE 231 – Fall 2010 Programming Assignment 4 Due: Friday, October 1, 2010 at 11:59 PM Solid rocket motors are used as boosters for the space shuttle, in satellite vehicles and in weapons systems. The propellant is a solid combination of fuel and oxidizer, about the consistency of an eraser. For the space shuttle the fuel component is aluminum and the oxidizer is ammonium perchlorate, held together with an epoxy resin “glue.” The propellant mixture is poured into a motor case, and the resin is allowed to sure under controlled conditions. Because the motors are extremely large, they are cast in segments, each of which requires several “batches” of propellant to fill. This casting-curing process is sensitive to temperature, humidity and pressure. If the conditions aren’t just right, the fuel could ignite or the propellant grain (which means its shape; the term grain is borrowed from artillery) properties might be degraded.
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