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Standing Waves in Air Columns is demonstrated. Nodes and antinodes are excited by a tuning fork for pipes that are open-open and open-closed. A classic demonstration of the Rayleigh's Criteria (widely used in studying combustion stability in aircraft, rocket and gas turbine engines) is demonstrated using a heated wire gauze placed inside a pipe at a suitable location inside the tube. This is called the Rijke Tube experiment.

 

 
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Rayleigh criteria and Combustion Instability
The Role of Density Gradient in Liquid Rocket Engine Combustion Instability
Combustion Instability in Liquid Rocket Engines
Experimental Study of Compressible Pipe Flow with Friction and Heat Addition
 
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Keywords
Standing  Waves  sound  acoustics  rayleigh  instability  
 
 About This Video
 
 Subject Physics
 Category Demonstration
 Duration 00:09:58
 Views 3637
 Added 03-09-09
 Contributor    reberg
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