Upload
layla-nacke
View
216
Download
2
Tags:
Embed Size (px)
Citation preview
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
1
MUSCLES
Modelling of Unsteady Combustion in Low Emission Systems
G4RD-CT-2002-00644
R&T Project within the 5th Framework Program of the European Union
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
Time Dependent Numerical Prediction of the Time Dependent Numerical Prediction of the Reactive Flow Field Within and Downstream an Reactive Flow Field Within and Downstream an
Avio LPP SystemAvio LPP System
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL GRIDS : Nozzle-Duct C05D PremixerCOMPUTATIONAL GRIDS : Nozzle-Duct C05D Premixer
Nozzle-Duct Premixer Nozzle-Duct Premixer
Grid type: Structured-MultiblockN° of total Blocks 175Azim. angle: 360.0°N° of total cells: 225000
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL GRID : Nozzle-Duct C05D Premixer & COMPUTATIONAL GRID : Nozzle-Duct C05D Premixer & Experimental Test RigExperimental Test Rig
Numerical Test RigNumerical Test Rig
Grid type: Structured-MultiblockN° of total Blocks: 203Geometry: Fully 3D°N° of total cells: 994000
Boundary Conditions Boundary Conditions
Mass Flow : 0.1405 kg/sStatic Temperature Inlet : 760 KStatic Pressure Outlet : 650000 Pa
Experimental Test RigExperimental Test Rig
Zmax = 158.5 mm - Xmax = 53.8 mm - Ymax = 53.8 mm
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASES : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASES : Nozzle-Duct C05D Premixer
Numerical Boundary Conditions Numerical Boundary Conditions - Case N° 1 -- Case N° 1 -
Turbulence Model : TSDIACombustion Scheme : StandardRadiation Scheme : Off
- Case N° 2-- Case N° 2-Turbulence Model : TSDIACombustion Scheme : StandardRadiation Scheme : On
- Case N° 3 -- Case N° 3 -Turbulence Model : TSDIACombustion Scheme : DetailedRadiation Scheme : Off
- Case N° 4 -- Case N° 4 -Turbulence Model : TSDIACombustion Scheme : DetailedRadiation Scheme : Off
Boundary Conditions AIR Boundary Conditions AIR
Total Pressure Inlet : 650000 PaTotal Temperature Inlet : 760 KTotal Air Mass Flow Inlet : 0.1405 Kg/s
Boundary Conditions FUEL Boundary Conditions FUEL
Fuel : Kerosene Liquid [C12H23]Fuel Mass Flow Inlet : 0.005518 Kg/sTotal Temperature Inlet : 380 KDroplets Diameters : 40 Cone Angle : 50°Droplets Velocity : 50 m/s
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMBUSTION MODELSCOMBUSTION MODELS
STANDARD Model : 12 Species - 12 ReactionsSTANDARD Model : 12 Species - 12 Reactions
Species :Species :
CHCH1212HH2323 - O - O22 - N - N22 - OH - H - OH - H22 - O - H - O - H22O - CO -COO - CO -CO22 - N - H - NO - N - H - NO
DC* Model : 41 Species - 225 ReactionsDC* Model : 41 Species - 225 ReactionsSpecies :Species :
CC1212HH2323 - CH - CH44 - O - O22 - N - N22 - OH - H - OH - H22 - O - H - O - H22O - CO -COO - CO -CO22 - N - H - NO - CH - N - H - NO - CH33OCHOCH33 - HO - HO22 - H - H22OO22 - C - C22H H
- C- C22HH22 - C(S) - CH - C(S) - CH22O - HCO - CHO - HCO - CH33O - CHO - CH33OH - CHOH - CH22OH - CHOH - CH33 - CH - CH22 - HCOOH - C - HCOOH - C22HH33 - C - C22HH44 - -
CC22HH55 - C - C22HH66 - C - C33HH33 - C - C44HH22 - N - N22O - CH - CHO - CH - CH22(S) - C(S) - C33HH22 - C - C33HH66 - CH - CH33CO - CHCO - CH33HCO - CHHCO - CH22CO CO
DC*DC*: Detailed Chemistry
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
1. 2C12H23+ 12O2= 24CO+ 23H2 2. O2+ 2N2= 2N+ 2NO 3. 2O2+ N2= 2O+ 2NO 4. N2+2OH=CO2+H5.CO+ OH= CO2+ H 6. O2+ H= O+ OH 7. H2+ OH= H2O+ H 8. H2+ O= H+ OH 9. H2= 2H 10. O2 =2O11. N2=2N12. O2 + H2= 2OH13. O2+2H2O=4OH
STANDARD REACTIONS MECHANISMSTANDARD REACTIONS MECHANISM
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
0. CH12H23 + O2 = C12H22-1 + HO2 1. CH4 + O2 = CH3 + HO2 2. CH4 + H = CH3 + H2 3. CH4 + OH = CH3 + H2O 4. CH4 + O = CH3 + OH 5. CH4 + HO2 = CH3 + H2O2 6. CH3 + HO2 = CH3O + OH 7. CH3 + O2 = CH3O + O 8. CH3 + O2 = CH2O + OH 9. CH3 + CH2O = CH4 + HCO10. CH3 + HCO = CH4 + CO11. CH3 + O = CH2O + H12. CH3 + OH = CH2 + H2O13. CH3 + OH = CH2O + H2 14. CH3 + H = CH4 15. CH3 + CH3 = C2H6 16. CH3 + CH3O = CH4 + CH2O 17. CH3 + CH2OH = CH4 + CH2O 18. CH3 + C2H5 = CH4 + C2H4 19. CH3 + C2H4 = CH4 + C2H3 20. CH3 + C2H3 = CH4 + C2H221. CH3 + C2H2 = CH4 + C2H
22. CH3 + CH3 = C2H4 + H2 23. CH3 + M = CH2 + H + M 24. CH3 + HCO = CH2 + CH2O 25. CH2 + H2 = CH3 + H 26. CH2 + CH3 = C2H4 + H 27. CH2 + OH = CH + H2O 28. CH2 + OH = CH2O + H 29. CH2 + CH2 = C2H2 + H2 30. CH2 + HCCO = C2H3 + CO 31. CH2 + O = CO + H + H32. CH2 + O = HCO + H 33. CH2 + O2 = CO2 + H + H 34. CH2 + O2 = CH2O + O 35. CH2 + O2 = CO2 + H2 36. CH2 + O2 = HCO + OH37. CH2(S) + CH3 = C2H4 + H38. CH2(S) + H2 = CH3 + H 39. CH2(S) + CH4 = CH3 + CH340. CH2(S) + C2H6 = CH3 + C2H541. CH2(S) + C2H2 = C3H3 + H42. CH2(S) + N2 = CH2 + N2
DETAILED REACTIONS MECHANISM - 1DETAILED REACTIONS MECHANISM - 1
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
43. CH2(S) + AR = CH2 + AR44. CH2(S) + CO2 = CH2 + CO245. CH2(S) + CO2 = CH2O + CO46. CH2(S) + H2O = CH2 + H2O47. CH2(S) + O2 = CO + OH + H 48. CH2(S) + O2 = CO + H2O49. CH2(S) + H = CH + H250. CH2(S) + O = CO + H251. CH2OH + H = CH3 + OH52. CH3O + H = CH3 + OH53. CH3O + M = CH2O + H + M 54. CH2OH + M = CH2O + H + M55. CH3O + H = CH2O + H256. CH2OH + H = CH2O + H257. CH3O + OH = CH2O + H2O 58. CH2OH + OH = CH2O + H2O 59. CH3O + O = CH2O + OH60. CH2OH + O = CH2O + OH61. CH3O + O2 = CH2O + HO262. CH2OH + O2 = CH2O + HO2 63. CH + H2 = H + CH264. CH + O2 = HCO + O
65. CH + O = CO + H66. CH + OH = HCO + H67. CH + CO2 = HCO + CO68. CH + H2O = CH2O + H69. CH + CH2O = CH2CO + H70. CH + C2H2 = C3H2 + H71. CH + CH2 = C2H2 + H72. CH + CH3 = C2H3 + H73. CH + CH4 = C2H4 + H74. CH2O + OH = HCO + H2O75. CH2O + H = HCO + H276. CH2O + M = HCO + H + M77. CH2O + O = HCO + OH78. CH2O + O2 = HCO + HO279. CH2O + HO2 = HCO + H2O2 80. CH2O + HO2 = HCOOH + OH81. HCOOH + H = H + CO2 + H2 82. HCOOH + O = H + CO2 + OH83. HCOOH + OH = H + CO2 + H2O 84. HCOOH + HO2 = H2O2 + CO2 + H 85. HCOOH + CH3 = CH4 + CO2 + H 86. HCOOH + CH3OCH2 = CH3OCH3 + CO2 + H
DETAILED REACTIONS MECHANISM - 2 DETAILED REACTIONS MECHANISM - 2
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
109. C2H4 + CH3O2 = CH3HCO + CH3O110. C2H3 + OH = CH3HCO111. C2H4 + H = C2H5112. C2H5 + H = CH3 + CH3113. C2H5 + O2 = C2H4 + HO2114. C2H2 + O = CH2 + CO115. C2H + H2 = C2H2 + H116. C2H3 = C2H2 + H117. C2H3 + H = C2H2 + H2118. C2H3 + O = CH2CO + H119. C2H3 + O2 = CH2O + HCO120. C2H3 + O2 = C2H2 + HO2121. C2H3 + OH = C2H2 + H2O122. C2H3 + CH2 = C2H2 + CH3123. C2H3 + C2H = C2H2 + C2H2124. C2H3 + CH = CH2 + C2H2125. C2H2 + OH = C2H + H2O126. C2H2 + OH = CH2CO + H127. C2H2 + OH = CH3 + CO128. C2H2 + O = C2H + OH129. CH2CO + O = CO2 + CH2130. CH2CO + O = HCO + HCO
87. HCO + OH = H2O + CO88. HCO + H2O = H + CO + H2O 89. HCO + M = H + CO + M90. HCO + H = CO + H291. HCO + O = CO + OH92. HCO + O = CO2 + H93. HCO + O2 = HO2 + CO94. HCO + HCO = CH2O + CO95. HCO + HCO = H2 + CO + CO96. CO + O + M = CO2 + M97. CO + OH = CO2 + H98. CO + O2 = CO2 + O99. CO + HO2 = CO2 + OH100. C2H6 + CH3 = C2H5 + CH4101. C2H6 + H = C2H5 + H2102. C2H6 + O = C2H5 + OH103. C2H6 + OH = C2H5 + H2O104. C2H4 + H = C2H3 + H2105. C2H4 + O = CH3 + HCO106. C2H4 + OH = C2H3 + H2O107. C2H4 + HO2 = CH3HCO + OH108. C2H4 + CH3O = CH3HCO + CH3
DETAILED REACTIONS MECHANISM - 3DETAILED REACTIONS MECHANISM - 3
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
131. CH2CO + H = CH3 + CO132. CH2CO + M = CH2 + CO + M133. C2H + O2 = CO + CO + H134. C2H + O = CH + CO135. C3H3 + O2 = CH2CO + HCO136. C3H3 + O = CH2O + C2H137. C2H2 + O2 = HCCO + OH138. C2H2 + M = C2H + H + M139. C2H4 + M = C2H2 + H2 + M140. H2 + O2 = OH + OH141. H2 + OH = H2O + H142. O + OH = O2 + H 143. O + H2 = OH + H 144. H + O2 + M = HO2 + M145. H + O2 + AR = HO2 + AR146. OH + HO2 = H2O + O2147. H + HO2 = OH + OH148. O + HO2 = O2 + OH149. H2 + HO2 = H2O + OH150. OH + OH = O + H2O151. H + H + M1 = H2 + M1152. H + H + H2 = H2 + H2153. H + H + H2O = H2 + H2O154. H + H + CO2 = H2 + CO2
155. H + OH + M = H2O + M156. H + O + M = OH + M157. O + O + M = O2 + M 158. H + HO2 = H2 + O2 159. HO2 + HO2 = H2O2 + O2160. H2O2 + M = OH + OH + M161. H2O2 + H = HO2 + H2162. H2O2 + OH = H2O + HO2163. H + HO2 = O + H2O 164. O + OH + M = HO2 + M165. H2O2 + H = H2O + OH166. H2O2 + O = H2O + O2 167. H2O2 + O = OH + HO2168. CH3CO + H = CH2CO + H2169. CH3CO + O = CH3 + CO2170. CH3CO + CH3 = C2H6 + CO171. CH3CO = CH3 + CO 172. C2H6 + O2 = C2H5 + HO2173. C2H4 + O2 = C2H3 + HO2174. C2H5 + HO2 = C2H4 + H2O2175. CH3OH = CH2OH + H176. CH3OH = CH3O + H177. CH3OH = CH3 + OH178. CH3OH + O2 = CH2OH + HO2
DETAILED REACTIONS MECHANISM - 4DETAILED REACTIONS MECHANISM - 4
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
179. CH3OH + H = CH2OH + H2180. CH3OH + H = CH3O + H2181. CH3OH + O = OH + CH2OH182. CH3OH + O = OH + CH3O183. CH3OH + OH = CH2OH + H2O184. CH3OH + OH = CH3O + H2O185. CH3OH + HO2 = CH2OH + H2O2186. CH3OH + CH3 = CH2OH + CH4187. CH3OH + CH3 = CH3O + CH4188. CH3OH + CH3O = CH3OH + CH2OH189. CH3O + CH3O = CH3OH + CH2O190. CH2OH + CH2OH = CH3OH + CH2O191. CH2OH + HCO = CH3OH + CO192. CH3HCO = CH3 + HCO193. CH3HCO = CH3CO + H194. CH3HCO + O2 = CH3CO + HO2195. CH3HCO + H = CH3CO + H2196. CH3HCO + OH = CH3CO + H2O197. CH3HCO + O = CH3CO + OH198. CH3HCO + CH3 = CH3CO + CH4199. CH3HCO + HO2 = CH3CO + H2O2200. CH3OCH3 = CH3+CH3O201. C3H3 + OH = C3H2 + H2O202. C2H6 + CH = H + C3H6
203. C3H6 + O = CH3CO + CH3204. C3H6 + O = C2H5 + HCO205. CH3 + C2H3 = C3H6 206. C2H6 + O2 = C2H5 + HO2207. C2H4 + O2 = C2H3 + HO2208. C2H5 + HO2 = C2H4 + H2O2209. C3H6 + O = CH2O + C2H4210. C3H6 + OH = CH3 + CH3HCO211. C3H6 + OH = C2H5 + CH2O312. C3H3 + C3H3 = C6H5 + H213. C(S) + O2 = O + CO214. C(S) + CH3 = H + C2H2 215. C(S) + OH = CO + H216. C(S) + NO = CO + N217. N + CO2 = NO + CO218. N2 + O = NO + N 219. N + O2 = NO + O 220. NO + M = N + O + M 221. NO + NO = N2 + O2 222. N2O + M = N2 + O + M223. N2O + O = N2 + O2224. N2O + O = NO + NO225. N2O + N = N2 + NO
DETAILED REACTIONS MECHANISM - 5DETAILED REACTIONS MECHANISM - 5
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
- Case N° 1 - - Case N° 1 - Boundary Conditions AIR Boundary Conditions AIR
Total Pressure Inlet : 650000 PaTotal Temperature Inlet : 760 KAir Mass Flow Inlet : 0.1405 Kg/s
Boundary Conditions FUEL Boundary Conditions FUEL
Fuel : Kerosene Liquid [C12H23]Fuel Mass Flow Inlet : 0.005518 Kg/sTotal Temperature Inlet : 380 KDroplets Diameters : 80 Cone Angle : 50°Droplets Velocity : 50 m/s
Solver Setup Solver Setup
Combustion Model : StandardTurbulence Model : TSDIARadiation Model : OFF
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of CO2 [Mass Fraction]
Contours of H2O [Mass Fraction]
Contours of OH [Mass Fraction] Contours of NO [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Fuel Gas Mass Source [Kg/s]
Contours of Static Temperature [°K]
Contours of Turb. Kin. Energy [m2/s2] Contours of Velocity Magnitude [m/s]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
- Case N° 2 - - Case N° 2 - Boundary Conditions AIR Boundary Conditions AIR
Total Pressure Inlet : 650000 PaTotal Temperature Inlet : 760 KAir Mass Flow Inlet : 0.1405 Kg/s
Boundary Conditions FUEL Boundary Conditions FUEL
Fuel : Kerosene Liquid [C12H23]Fuel Mass Flow Inlet : 0.005518 Kg/sTotal Temperature Inlet : 380 KDroplets Diameters : 80 Cone Angle : 50°Droplets Velocity : 50 m/s
Solver Setup Solver Setup
Combustion Model : StandardTurbulence Model : TSDIARadiation Model : ONWall Temperature : 600 KEmissivity : 0.8
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of CO2 [Mass Fraction]
Contours of H2O [Mass Fraction]
Contours of OH [Mass Fraction] Contours of NO [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Fuel Gas Mass Source [Kg/s]
Contours of Static Temperature [°K]
Contours of Turb. Kin. Energy [m2/s2] Contours of Velocity Magnitude [m/s]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
- Case N° 3 - - Case N° 3 - Boundary Conditions AIR Boundary Conditions AIR
Total Pressure Inlet : 650000 PaTotal Temperature Inlet : 760 KAir Mass Flow Inlet : 0.1405 Kg/s
Boundary Conditions FUEL Boundary Conditions FUEL
Fuel : Kerosene Liquid [C12H23]Fuel Mass Flow Inlet : 0.005518 Kg/sTotal Temperature Inlet : 380 KDroplets Diameters : 80 Cone Angle : 50°Droplets Velocity : 50 m/s
Solver Setup Solver Setup
Combustion Model : Detailed MechanismTurbulence Model : TSDIARadiation Model : OFF
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of CO2 [Mass Fraction]
Contours of H2O [Mass Fraction]
Contours of OH [Mass Fraction] Contours of NO [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Fuel Gas Mass Source [Kg/s]
Contours of Static Temperature [°K]
Contours of Turb. Kin. Energy [m2/s2] Contours of Velocity Magnitude [m/s]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
- Case N° 4 - - Case N° 4 - Boundary Conditions AIR Boundary Conditions AIR
Total Pressure Inlet : 650000 PaTotal Temperature Inlet : 760 KAir Mass Flow Inlet : 0.1405 Kg/s
Boundary Conditions FUEL Boundary Conditions FUEL
Fuel : Kerosene Liquid [C12H23]Fuel Mass Flow Inlet : 0.005518 Kg/sTotal Temperature Inlet : 380 KDroplets Diameters : 80 Cone Angle : 50°Droplets Velocity : 50 m/s
Solver Setup Solver Setup
Combustion Model : Detailed MechanismTurbulence Model : TSDIARadiation Model : ONWall Temperature : 600 KEmissivity : 0.8
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of CO2 [Mass Fraction]
Contours of H2O [Mass Fraction]
Contours of OH [Mass Fraction] Contours of NO [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Fuel Gas Mass Source [Kg/s]
Contours of Static Temperature [°K]
Contours of Turb. Kin. Energy [m2/s2] Contours of Velocity Magnitude [m/s]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Particle Traces COMPUTATIONAL CASE : Particle Traces ColouredColoured by Static Temperature [K] by Static Temperature [K]
Case 1 : STD Mechanism - Radiation OFF Case 2 : STD Mechanism - Radiation ON
Case 1 : DC Mechanism - Radiation OFF Case 2 : DC Mechanism - Radiation ON
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Static Temperature [K]COMPUTATIONAL CASE : Static Temperature [K]
Case 1 : STD Mechanism - Radiation OFF
Case 1 : DC Mechanism - Radiation OFF Case 2 : DC Mechanism - Radiation ON
Case 2 : STD Mechanism - Radiation ON
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
27
IterationsIterations
TTransient ransient PPerformance erformance MMethod : Functionethod : Function
-0.2
0
0.2
0.4
0.6
0.8
1
1.2
0.0E+00 5.0E+04 1.0E+05 1.5E+05 2.0E+05 2.5E+05 3.0E+05 3.5E+05 4.0E+05 4.5E+05 5.0E+05 5.5E+05
PositionFlameAxial
TPM Modified Functional Design Values
Functional Design Values
opt
opt
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
- Case N° 5 - - Case N° 5 - Boundary Conditions AIR Boundary Conditions AIR
Total Pressure Inlet : 650000 PaTotal Temperature Inlet : 760 KAir Mass Flow Inlet : 0.1405 Kg/s
Boundary Conditions FUEL Boundary Conditions FUEL
Fuel : Kerosene Liquid [C12H23]Fuel Mass Flow Inlet : 0.005518 Kg/sTotal Temperature Inlet : 298 K [Old value 380 K]Droplets Diameters : 80 Cone Angle : 40°[Old Value 50°]Droplets Velocity : 65 m/s [Old Value 50 m/s]
Solver Setup Solver Setup
Combustion Model : Detailed MechanismTurbulence Model : TSDIARadiation Model : ONWall Temperature : 600 KEmissivity : 0.8
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Fuel Mass Source [Kg/s]
Contours of Static Temperature [°K]
Contours of Turb. Kin. Energy [m2/s2]
Contours of Velocity Magnitude [m/s]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of HCO [Mass Fraction]
Contours of HCOOH [Mass Fraction]
Contours of HO2 [Mass Fraction]
Contours of N2O [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of CO [Mass Fraction] Contours of CO2 [Mass Fraction]
Contours of H2O [Mass Fraction]
Contours of H2O2 [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of C2H [Mass Fraction]
Contours of CH [Mass Fraction]
Contours of CH2 [Mass Fraction]
Contours of CH2S [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of OH [Mass Fraction]
Contours of NO [Mass Fraction]
Particle Traces Coloured by Static Temperature [°K]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of NO [Mass Fraction]Contours of NO [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of OH [Mass Fraction]Contours of OH [Mass Fraction]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Static Temperature Contours of Static Temperature [°K][°K]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
COMPUTATIONAL CASE : Nozzle-Duct C05D PremixerCOMPUTATIONAL CASE : Nozzle-Duct C05D Premixer
Contours of Velocity Magnitude Contours of Velocity Magnitude [m/s][m/s]
Mid Term Meeting, Sept. 21st-22nd, 2004, Karlsruhe Presentation by: F.Pittaluga - UNIGE-DIMSET
Dept. of Fluid Machinery, Energy Systems and Transportation - University of Genoa, Italy
FROM COMPUTATIONAL CASES TO EMISSION DATA SETSFROM COMPUTATIONAL CASES TO EMISSION DATA SETSX [m] Y [m] Z [m] Static Pres.[Pa] VEL. X [m/s] VEL. Y [m/s] VEL. Z [m/s] Static Temp[C] K [m2/s2] OH [Mol.Frac.] NO [Mol.Frac.]0.00E+00 0.00E+00 2.50E-02 6.51E+05 2.85E-02 -2.13E-02 3.94E+01 2.52E+01 1.82E+01 0.00E+00 0.00E+000.00E+00 0.00E+00 5.01E-02 6.51E+05 -9.43E-02 -2.20E-02 3.91E+01 2.71E+01 1.42E+01 0.00E+00 0.00E+000.00E+00 0.00E+00 7.51E-02 6.51E+05 5.40E-02 -2.00E-02 3.96E+01 2.65E+01 1.20E+01 0.00E+00 0.00E+000.00E+00 0.00E+00 1.00E-01 6.51E+05 -5.53E-03 6.53E-03 3.97E+01 2.77E+01 8.92E+00 0.00E+00 0.00E+000.00E+00 0.00E+00 1.25E-01 6.51E+05 -6.79E-03 -2.43E-02 3.97E+01 2.83E+01 8.34E+00 0.00E+00 0.00E+000.00E+00 0.00E+00 1.50E-01 6.51E+05 -1.41E-01 -2.42E-01 4.15E+01 2.94E+01 7.47E+00 5.19E-11 3.49E-110.00E+00 0.00E+00 1.75E-01 6.51E+05 -1.81E+00 6.04E-01 2.64E+01 1.66E+02 2.29E+01 2.67E-09 3.01E-090.00E+00 0.00E+00 2.00E-01 6.51E+05 -3.26E-01 -2.43E+00 2.38E+01 1.66E+02 2.68E+01 1.30E-09 1.69E-090.00E+00 0.00E+00 2.25E-01 6.51E+05 -8.13E-01 -1.38E+00 2.29E+01 1.72E+02 1.77E+01 1.08E-09 1.23E-090.00E+00 0.00E+00 2.50E-01 6.51E+05 -1.67E+00 -1.19E-01 1.90E+01 1.89E+02 2.39E+01 4.69E-10 5.61E-100.00E+00 0.00E+00 3.00E-01 6.51E+05 -2.16E-01 -7.26E-01 1.60E+01 1.99E+02 2.21E+01 5.14E-11 7.46E-110.00E+00 0.00E+00 3.51E-01 6.51E+05 1.44E+00 -2.21E+00 6.52E+00 2.66E+02 3.05E+01 3.98E-07 9.09E-070.00E+00 0.00E+00 3.76E-01 6.51E+05 -2.53E+00 -1.02E+00 3.69E+00 3.55E+02 3.81E+01 3.84E-06 9.35E-060.00E+00 0.00E+00 4.26E-01 6.51E+05 -5.65E-01 -1.44E-01 -6.94E+00 6.75E+02 4.29E+01 1.15E-05 2.66E-050.00E+00 0.00E+00 4.51E-01 6.51E+05 -8.41E-01 -2.20E+00 -1.28E+01 7.08E+02 4.79E+01 6.33E-06 1.01E-050.00E+00 0.00E+00 4.76E-01 6.51E+05 3.90E-02 -3.82E+00 -1.21E+01 7.19E+02 4.75E+01 6.28E-06 1.19E-050.00E+00 0.00E+00 5.01E-01 6.51E+05 6.58E-02 -1.56E+00 -9.98E+00 7.27E+02 5.87E+01 6.06E-06 1.01E-050.00E+00 0.00E+00 5.51E-01 6.51E+05 5.02E+00 -1.53E+00 5.30E+00 6.97E+02 4.98E+01 5.34E-06 8.12E-060.00E+00 0.00E+00 5.76E-01 6.51E+05 -8.94E-01 -2.26E+00 6.31E+00 9.79E+02 6.45E+01 9.07E-06 2.14E-050.00E+00 0.00E+00 6.01E-01 6.51E+05 2.20E+00 1.83E+00 1.24E+01 7.90E+02 4.93E+01 8.00E-06 1.39E-050.00E+00 0.00E+00 6.51E-01 6.51E+05 9.43E-01 -9.44E-01 1.83E+01 1.01E+03 4.71E+01 1.11E-05 2.47E-050.00E+00 0.00E+00 6.76E-01 6.51E+05 1.91E+00 -1.98E-01 2.26E+01 9.49E+02 3.68E+01 1.00E-05 2.10E-050.00E+00 0.00E+00 7.26E-01 6.51E+05 1.21E+00 -7.00E-01 2.94E+01 1.12E+03 2.75E+01 8.26E-06 1.96E-050.00E+00 0.00E+00 8.01E-01 6.51E+05 9.09E-01 -2.52E-01 3.10E+01 1.10E+03 2.40E+01 7.92E-06 1.78E-050.00E+00 0.00E+00 8.26E-01 6.51E+05 8.22E-01 6.13E-02 3.32E+01 1.09E+03 1.90E+01 6.47E-06 1.40E-050.00E+00 0.00E+00 8.76E-01 6.51E+05 1.17E+00 -5.95E-01 3.42E+01 1.22E+03 1.70E+01 7.32E-06 1.85E-050.00E+00 0.00E+00 9.26E-01 6.51E+05 1.01E+00 -5.42E-01 3.46E+01 1.23E+03 1.60E+01 6.44E-06 1.66E-050.00E+00 0.00E+00 9.77E-01 6.51E+05 6.07E-01 -2.42E-01 3.52E+01 1.23E+03 1.46E+01 5.51E-06 1.39E-050.00E+00 0.00E+00 1.00E+00 6.51E+05 8.57E-01 -6.33E-01 3.57E+01 1.34E+03 1.37E+01 4.86E-06 1.48E-050.00E+00 0.00E+00 1.03E+00 6.51E+05 5.60E-01 -1.13E-01 3.57E+01 1.22E+03 1.28E+01 4.88E-06 1.23E-050.00E+00 0.00E+00 1.08E+00 6.51E+05 5.27E-01 -1.38E-01 3.60E+01 1.25E+03 1.10E+01 4.28E-06 1.14E-050.00E+00 0.00E+00 1.10E+00 6.51E+05 5.59E-01 -3.03E-01 3.60E+01 1.30E+03 1.08E+01 4.35E-06 1.21E-050.00E+00 0.00E+00 1.15E+00 6.51E+05 4.15E-01 -1.74E-01 3.63E+01 1.30E+03 9.86E+00 3.67E-06 1.04E-050.00E+00 0.00E+00 1.23E+00 6.51E+05 3.60E-01 -1.69E-01 3.64E+01 1.31E+03 8.97E+00 3.06E-06 9.14E-06
\