al-jazari eric nies
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CE 309 Fluid Mechanics
Eric Nies6/12/2009
Al-JazariImpact of The Twin Cylinder
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Al-JazariImpact of The Twin Cylinder Al-Jazari and his impact on the Eastern world
His inventions were the first of their kind in Iraq and Syria.
Learn about a few of his other inventions Focus on the Twin cylinder reciprocating piston Relate this concept to modern days
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Al-JazariImpact of The Twin Cylinder History
Lived in 12th and 13th centuries in Iraq
Born into a long line of Craftsman-making him more practical than theoretical
Worked for the King for many years-quickly became chief engineer
Main Method of solving problems-trial and error www.wikipedia.com
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Inventions-he was more interested in the structure behind the devices rather than the calculations Water Clock/Candle Clock Water Raising Machines Automatic Hand Washers/Towel Dispensers Automatic Doors/Gates
Al-JazariImpact of The Twin Cylinder
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Al-JazariImpact of The Twin Cylinder “Book Of Knowledge Of
Ingenious Mechanical Devices” Book written by Al-Jazari
recording in great detail the schematics and specifications of his inventions. The most comprehensive document at the time!
It Included the Twin Cylinder Reciprocating Piston- Water Raising Device For Irrigation of Fields www.wikipedia.com
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Al-JazariImpact of The Twin Cylinder
AB
C
D
E
How It Works! A- Water wheel was turned
by river- which turned a driveshaft and gear
B- This gear translated the vertical rotation to horizontal rotation by a right-angle gear interface
C- This second gear had a pin attached to it, which oscillated a slot rod as it rotated. www.wikipedia.com
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Al-JazariImpact of The Twin Cylinder How It Works!
D- Water was raised by pistons connected to the slot rod due to the partial vacuum created in the pipes
E- Finally two ‘one-way’ valves allowed water to be drawn up into the cylinder and expelled out through the pipes.
AB
C
E
D
www.wikipedia.com
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Al-JazariImpact of The Twin Cylinder Uniqueness of the Twin Cylinder
First Known Use of the Partial Vacuum. First Application of Double Action Principle
This means having two things in motion at once due to a single source
Conversion of Rotary Motion into Reciprocating Motion Via Crank Shaft and Connecting Rod.
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Al-JazariImpact of The Twin Cylinder Uses of Al-Jazari’s Inventions
Mostly For entertainment purposes Used many automata such as moving peacocks, an
automatic band to play for the king, and self playing instruments
http://images.google.com
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Al-JazariImpact of The Twin Cylinder Uses of Al-Jazari’s Inventions
Also for everyday luxuries and comfort Automatic toilets, hand washers, and
towel dispensers Irrigation of fields.
The Twin Cylinder was used all over Iraq to keep the fields watered, and had the most impact on the wealth and survival of the economy at that time
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Al-JazariImpact of The Twin Cylinder In America, The Double action principle was widely
used in the industrial revolution Steam Engine
Uses High Pressure High Heat steam to Reciprocate the piston through ‘one-way’ valves
Through a system of slot rods and gears the reciprocating motion is translated into rotary motion
Almost Al-Jazari’s principle in reverse.
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Al-JazariImpact of The Twin Cylinder
www.howstuffworks.com
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Al-JazariImpact of The Twin Cylinder A look Back
Book Of Knowledge Of Ingenious Mechanical Devices Many Inventions for Everyday Things Twin Cylinder Double Acting Reciprocating Piston First Known Use of the Suction Pipe
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Al-JazariImpact of the Twin Cylinder References
http://www.muslimheritage.com http://en.wikipedia.org http://www.absoluteastronomy.com http://hackingtheuniverse.com http://www.howstuffworks.com