rockets presentation
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0000.PPT 6/14/2012 1
ENGINEERING:
Itisrocket science!
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0000.PPT 6/14/2012 2
ICE BREAKER
What is the name of the First Space Rocket?
A) Europa B) Apollo 11 C) German V2
What year was the first manned mission to the moon,Apollo 11?
A) August 6, 1967 B) July 16, 1969 C) June 8, 1970
Saturn V, was the largest & most powerful launchvehicle?How tall was it?
A) 110.6m B) 160.7m C) 104.2m
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0000.PPT 6/14/2012 3
Movies
Fireworks
Military
Ejection Seat
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0000.PPT 6/14/2012 4
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0000.PPT 6/14/2012 5Father of Modern Physics
Newtons Third Law:
To every action there is an equal and opposite reaction
Sir Isaac Newton
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Parts of the Rocket
1. Body2. Air (pressurized)3. Water4. Air Pump
5. Fin6. Latch and Trigger7. Nozzle8. Launch Pad
9. Nose Cone
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What makes it fly?!
1. The COMPRESSED AIR pusheson the water as it tries to expand.
2. The water is pusheddownward through the nozzle.
4. The thrust pushes the
rocket upward into the sky!
5. The fin and the nose coneact together to keep the rocketfrom tumbling.
3. When water rushes throughthe nozzle, it makes THRUST.
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Too much water?
1. The rocket runs out of airpressure before all of thewater is pushed out.
2. Since the water is nolonger being pushed out, therocket loses THRUST.
3. The rocket and all of theextra water fall to theground!
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Not enough water?
1. The rocket runs out of waterbefore it runs out of AIRPRESSURE.
2. Since there is no more water
rushing through the nozzle, therocket loses THRUST.
4. The empty bottle coasts fora while, but then falls to theground.
3. All of the extra AIR PRESSUREis wasted through the nozzle.
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STS!
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Externaltank
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Engine close up
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An Engineers View:
Describes how gassescompress and expand How hard does the air push on the
water?
Ideal Gas Law
Chemistry
Thermodynamics
Ideal Gas Law
Describes how fluids flow overand through various shapes
Bernoullis Equation
Fluid Dynamics
Calculates the amount of thrustthat is produced by a fluidmoving through a nozzle
Thrust Equation
Fluid Dynamics
Thrust Equation
Physics
Bernoullis Equation
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Lets Experiment!
Question: What amount of water will make therocket fly the highest?
Procedure:
1. Fill the rocket completely with water.
2. Mount the rocket on the launcher and pump itup to 30 psi.
3. Launch the rocket, and measure the height bymeasuring the length of fishing line it pulls off thereel.4. Record the measurement and any observations
on the datasheet.
5. Repeat steps 1-4 with the bottle full, full, full, and empty.
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