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  4. Computations of Combustion Flow Field in a Connected Pipe Ramjet Test Facility
 
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Computations of Combustion Flow Field in a Connected Pipe Ramjet Test Facility

Date Issued
2012
Date
2012
Author(s)
Tsai, Po-Chin
URI
http://ntur.lib.ntu.edu.tw//handle/246246/249807
Abstract
This study simulates the hydrogen-air combustion flow fields in a connected pipe ramjet test facility. The following objectives where achieved:(1) the simulation of two dimensional steady combustion flow using methane, (2) the simulation of three dimensional steady combustion flow using hydrogen, (3) the simulation of three dimensional transient combustion flow using hydrogen, (4) the study of three dimensional steady combustion flow using hydrogen with different incoming angle. Two models are implemented for solving the hydrogen-air combustion flow, k-epsilon turbulence model and non-premixed combustion model. Various flow conditions have been simulated for investigating the aerodynamics properties .The simulation results of supersonic flow problem and combustion flow problem are in good agreement with the work by which method, the two computational examples provide the details for the flow structure, such as shock wave, turbulence flow, boundary layer, effect of incoming angle etc. An investigation on application of the numerical method has achieved. The simulation gives useful information for designing the connected pipe ramjet test facility.
Subjects
Supersonic aerodynamics
Solid fuel ramjet energy
Combustion flow
Hydrogen combustion
Connected pipe facility
Type
thesis
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