propulsion mst @ msu 2006 jeff rhoads and terry ballinger
Post on 21-Dec-2015
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TRANSCRIPT
What is Propulsion?What is Propulsion?
The science of propelling (pushing) an The science of propelling (pushing) an object forwardobject forward
What is Propulsion?What is Propulsion?
Fuel Mechanical Motion
The science of propelling (pushing) an The science of propelling (pushing) an object forwardobject forward
The Process
Propulsion SystemsPropulsion Systems
Internal Combustion EnginesInternal Combustion EnginesSteam EnginesSteam EnginesElectric MotorsElectric MotorsNuclear PropulsionNuclear PropulsionJet PropulsionJet Propulsion……
Propulsion SystemsPropulsion Systems
Internal Combustion EnginesInternal Combustion EnginesSteam EnginesSteam EnginesElectric MotorsElectric MotorsNuclear PropulsionNuclear PropulsionJet PropulsionJet Propulsion……
Most relevant to today’s activity.
Jet PropulsionJet Propulsion
Involves the Involves the acceleration of a of a fluid through through (from) an engine(from) an engine
What does this do?
Jet PropulsionJet Propulsion
Involves the Involves the acceleration of a of a fluid through through (from) an engine(from) an engine
Produces Thrust
Jet PropulsionJet Propulsion
Oxygen
Fuel
Combustion
Combustion
Oxygen
Turbojet(High Altitudes)
Thrust
Fuel
Cool MoviesCool Movies
Rocket Launch
QuickTime™ and aYUV420 codec decompressor
are needed to see this picture.
Today’s ActivityToday’s Activity
CO2 Propelled Boat
ObjectiveCreate a CO2 propelled boat that travels the greatest distance in the minimum amount of time.
MaterialsMaterials
Other Materials Baking soda Vinegar Clear plastic tape Pennies Graduated cylinders Exact-o Knifes
Today’s ActivityToday’s Activity
CO2 Propelled Boat
ObjectiveCreate a CO2 propelled boat that travels the greatest distance in the minimum amount of time.
Mechanical Motion
Propulsion
Fuel
Today’s ActivityToday’s Activity
CO2 Propelled Boat
ObjectiveCreate a CO2 propelled boat that travels the greatest distance in the minimum amount of time.
Mechanical Motion
Propulsion
Fuel
Baking Soda and Vinegar
The “Combustion” ProcessThe “Combustion” ProcessBaking
Soda Vinegar Fizz
Stuff that
Smells
Other
Stuff
The “Combustion” ProcessThe “Combustion” ProcessBaking
Soda Vinegar Fizz
Stuff that
Smells
Other
Stuff
Sodium
Bicarbonate
Acetic
Acid
Carbon
Dioxide
Other
Stuff
The “Combustion” ProcessThe “Combustion” ProcessBaking
Soda Vinegar Fizz
Stuff that
Smells
Other
Stuff
Sodium
Bicarbonate
Acetic
Acid
Carbon
Dioxide
Other
Stuff
NaHCO3 CH3COOH CO2 H2O NaCH3COO
Design ConsiderationsDesign Considerations Best ratio of baking soda to vinegar Best ratio of baking soda to vinegar
(How can you systematically optimize it?)
Method to seal the reaction chamber Method to seal the reaction chamber without mixing the baking soda and vinegarwithout mixing the baking soda and vinegar
Size/placement of exhaust hole(s) for COSize/placement of exhaust hole(s) for CO22
to escapeto escape Appropriate weight and its distributionAppropriate weight and its distribution