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CO2 Cannon Project: Engineering Design Optimization for Maximum Launch Efficiency

This CO2 cannon activity incorporates engineering design, chemistry, and physics to optimize launching distance and reduce launch time. Explore design parameters like water amount, temperature, tablet size, and launch angle while delving into effervescent chemistry reactions and projectile physics equations. Engage in group discussions on engineering design characteristics, adaptable activities, anticipated problems, and potential roadblocks to using this approach.

keith-jensen
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CO2 Cannon Project: Engineering Design Optimization for Maximum Launch Efficiency

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  1. CO2 Cannon Activity • Incorporates engineering design, chemistry, and physics • Goals: • Optimize the design to produce the greatesthorizontal distance • Minimize the time to launch • Engineers call this a design optimization problem • Note: Primary goal is to produce a result not discover why. Increased understanding comes as a side effect.

  2. CO2 Cannon Design Parameters • Amount of water in the cannon • Temperature of the water • Size of the tablet (whole, half, etc.?) • Tablet in one piece or crushed • Angle of launch • Seal of the cap

  3. Effervescent Chemistry • H3C6H5O7 + NaHCO3 ==> NaC6H5O7 + H2O + CO2 + Heat • Citric Acid + Sodium Bicarbonate ==> Sodium Citrate + Water + Carbon dioxide + Heat

  4. Projectile Physics Θ x = v0t cos(Θ) y = v0t sin(Θ) – gt2/2 Δr = sqrt(x2 + y2)

  5. CO2 Cannon Group Discussion • Characteristics and benefits of Engineering Design? • Activities you can modify to use Engineering Design? • Problems you anticipate and how to resolve them? • Biggest roadblock to using Engineering Design?

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