MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING NOZZLE USING SHOCK CAPTURING METHOD
The fonnation of shock has always seen as undesirable occurrence. The knowledge about its fonnation is critical especially during design stage. Highly accurate numerical model are needed in order to accurately simulate fonnation of shock. One case study on supersonic flow separation has been sele...
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Universiti Teknologi PETRONAS
2010
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my-utp-utpedia.100782017-01-25T09:43:01Z http://utpedia.utp.edu.my/10078/ MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING NOZZLE USING SHOCK CAPTURING METHOD ROSLI, MOHD NAZARUDIN TP Chemical technology The fonnation of shock has always seen as undesirable occurrence. The knowledge about its fonnation is critical especially during design stage. Highly accurate numerical model are needed in order to accurately simulate fonnation of shock. One case study on supersonic flow separation has been selected as basis. Grid independent study is done to study the effect of grid density as well as refinement direction (axial, radial, and both axial and radial) to the accuracy of the solution. It is also desirable to investigate the fonnation of shocks under different nozzle operating pressures. The simulation is using several nozzle pressure ratios (NPRs) as manipulated parameters. Simulation results show that refinement in radial direction gives the optimum trend followiog data while refmement in both axial and radial gives quite accurate data but not followiog the experimental data trend. Higher density mesh is found to be capable of capturing weak shocks and shock-boundary layer interaction. Lastly, under different operating pressure, it is found that shocks location is closer to the throat as the nozzle pressure ratio is decreased. Keywords: Shock Wave, Flow Separation, Nozzle Pressure Ratio. Grid Refinement Universiti Teknologi PETRONAS 2010-01 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/10078/1/2010%20-%20Modelling%20of%20Shock%20Wave%20in%20Converging-Diverging%20Nozzle%20using%20Shock%20Capturing%20Method.pdf ROSLI, MOHD NAZARUDIN (2010) MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING NOZZLE USING SHOCK CAPTURING METHOD. Universiti Teknologi PETRONAS. (Unpublished) |
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TP Chemical technology ROSLI, MOHD NAZARUDIN MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING NOZZLE USING SHOCK CAPTURING METHOD |
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The fonnation of shock has always seen as undesirable occurrence. The knowledge
about its fonnation is critical especially during design stage. Highly accurate
numerical model are needed in order to accurately simulate fonnation of shock. One
case study on supersonic flow separation has been selected as basis. Grid
independent study is done to study the effect of grid density as well as refinement
direction (axial, radial, and both axial and radial) to the accuracy of the solution. It is
also desirable to investigate the fonnation of shocks under different nozzle operating
pressures. The simulation is using several nozzle pressure ratios (NPRs) as
manipulated parameters. Simulation results show that refinement in radial direction
gives the optimum trend followiog data while refmement in both axial and radial
gives quite accurate data but not followiog the experimental data trend. Higher
density mesh is found to be capable of capturing weak shocks and shock-boundary
layer interaction. Lastly, under different operating pressure, it is found that shocks
location is closer to the throat as the nozzle pressure ratio is decreased.
Keywords: Shock Wave, Flow Separation, Nozzle Pressure Ratio. Grid Refinement |
format |
Final Year Project |
author |
ROSLI, MOHD NAZARUDIN |
author_facet |
ROSLI, MOHD NAZARUDIN |
author_sort |
ROSLI, MOHD NAZARUDIN |
title |
MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING
NOZZLE USING SHOCK CAPTURING METHOD |
title_short |
MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING
NOZZLE USING SHOCK CAPTURING METHOD |
title_full |
MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING
NOZZLE USING SHOCK CAPTURING METHOD |
title_fullStr |
MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING
NOZZLE USING SHOCK CAPTURING METHOD |
title_full_unstemmed |
MODELLING OF SHOCKWAVE IN CONVERGING-DIVERGING
NOZZLE USING SHOCK CAPTURING METHOD |
title_sort |
modelling of shockwave in converging-diverging
nozzle using shock capturing method |
publisher |
Universiti Teknologi PETRONAS |
publishDate |
2010 |
url |
http://utpedia.utp.edu.my/10078/1/2010%20-%20Modelling%20of%20Shock%20Wave%20in%20Converging-Diverging%20Nozzle%20using%20Shock%20Capturing%20Method.pdf http://utpedia.utp.edu.my/10078/ |
_version_ |
1739831756670894080 |
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13.18916 |