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Need Help with thermoacoustic instability simulation |
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November 19, 2025, 06:51
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Need Help with thermoacoustic instability simulation
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Hi, I have been trying to simulate thermoacoustic instability in Rijke tube 3d. I have created a sector model (36 deg) length and diameter are 1000mm and 100mm with coil placed at quarter length of tube with 30mm length. i have given 2mm tetragonal unstructured mesh for tube with 0.5mm for coil.
I have applied mass flow inlet with 0.000127kg/s (trying to validate one research paper) i have given volumetric heat source for coil. i tried transient simulation with time 0.5secs but my pressure is changing very small (0.001pa) instead of 20-30pa and temperature also changing very small in 0.01 increase. can anyone suggest a way to solve this |
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