Citation: TANG Qing-Long, GENG Chao, LI Ming-Kun, LIU Hai-Feng, YAO Ming-Fa. Laser-Induced Fluorescence Measurements of Formaldehyde and OH Radicals in Dual-Fuel Combustion Process in Engine[J]. Acta Physico-Chimica Sinica, ;2015, 31(12): 2269-2277. doi: 10.3866/PKU.WHXB201510082 shu

Laser-Induced Fluorescence Measurements of Formaldehyde and OH Radicals in Dual-Fuel Combustion Process in Engine

1.
State Key Laboratory of Engines, Tianjin University, Tianjin 300072, P. R. China

Corresponding author: LIU Hai-Feng,
Received Date: 8 June 2015
Available Online: 8 October 2015
Fund Project: 国家自然科学基金国际(地区)合作与交流项目(51320105008)资助 (地区)合作与交流项目(51320105008)

Dual-fuel combustion is a promising method for achieving high-efficiency clean combustion in internal combustion engines. Most current research focuses on the effects of dual-fuel injection on engine performance and emissions. Our understanding of dual-fuel in-cylinder combustion processes needs further investigation. In this study, an optical diagnostic system was established to determine the intermediate products during in-cylinder combustion; the system enabled simultaneously qualitative two-dimensional measurements of formaldehyde and OH radicals. To confirm the feasibility of using this laser diagnostic system, laser-induced fluorescence (LIF) spectra and images of formaldehyde and OH radicals in a laminar premixed methane flame were acquired; the excitation laser wavelengths for formaldehyde and OH radicals were verified to be 355 and 292.85 nm, respectively. Non-simultaneous determination of formaldehyde and OH radicals in the combustion chamber was performed to analyze the two-stage heat release process and distribution regions of formaldehyde and OH radicals during dual-fuel combustion. In this investigation, the engine speed was kept at 1200 r·min^-1 and the total equivalent fuel quality was 30 mg of n-heptane. Isooctane was injected in intake manifold at the beginning of the intake stroke and n-heptane (9 mg) was directly injected into the cylinder at 10° crank angle before compression top dead center. The results indicate that formaldehyde is formed in the low-temperature heat-release stage and is mainly located in the region near the spray jet; formaldehyde then fills most of the combustion chamber. When the high-temperature heat-release stage is initiated, formaldehyde located at the edge of the combustion chamber is consumed first, followed by consumption of formaldehyde in the center region. Accompanied with the disappearance of formaldehyde during the high-temperature heat-release stage, OH radicals first emerge at the edge of the combustion chamber and later fill the whole combustion chamber. Finally, simultaneous measurements of formaldehyde and OH radicals were conducted. Formaldehyde consumption is spatially accompanied by the formation of OH radicals. In general, the distributions of formaldehyde and OH radicals are separate spatially, but there are some regions where formaldehyde and OH radicals exist simultaneously.
- Laser-induced fluorescence,
- Engine,
- Dual-fuel combustion,
- Formaldehyde,
- OH radical
1. [1]
  (1) Dec, J. E. Proc. Combust. Inst. 2009, 32, 2727. doi: 10.1016/j.proci.2008.08.008
2. [2]
  (2) Reitz, R. D.; Duraisamy, G. Prog. Energ. Combust. 2015, 46, 12. doi: 10.1016/j.pecs.2014.05.003
3. [3]
  (3) Musculus, M. P. B.; Miles, P. C.; Pickett, L. M. Prog. Energ. Combust. 2013, 39, 246. doi: 10.1016/j.pecs.2012.09.001
4. [4]
  (4) Liu, H. F.; Li, S. J.; Zheng, Z. Q.; Xu, J.; Yao, M. F. Appl. Energ. 2013, 112, 246. doi: 10.1016/j.apenergy.2013.06.023
5. [5]
  (5) Zheng, Z. Q.; Li, C. L.; Liu, H. F.; Zhang, Y.; Zhong, X. F.; Yao, M. F. Fuel 2015, 141, 109. doi: 10.1016/j.fuel.2014.10.053
6. [6]
  (6) Inagaki, K.; Fuyuto, T.; Nishikawa, K.; Nakakita, K.; Sakata, I. SAE Tech. Pap. Ser 2006, 2006-01-0028.
7. [7]
  (7) Kokjohn, S. L.; Hanson, R. M.; Splitter, D. A.; Reitz, R. D. SAE Tech. Pap. Ser 2009, 2009-01-2647.
8. [8]
  (8) Kokjohn, S. L.; Hanson, R. M.; Splitter, D. A.; Reitz, R. D. Int. J. Engine Res. 2011, 12 (3), 209. doi: 10.1177/1468087411401548
9. [9]
  (9) Ma, S.; Zheng, Z.; Liu, H.; Zhang, Q.; Yao, M. Appl. Energ. 2013, 109, 202. doi: 10.1016/j.apenergy.2013.04.012
10. [10]
  (10) Liu, H. F.; Wang, X.; Zheng, Z. Q.; Gu, J. B.; Wang, H.; Yao, M. F. Energy 2014, 74, 741. doi: 10.1016/j.energy.2014.07.041
11. [11]
  (11) Zhang, X. Y.; Liu, Y. F.; He, X.; Gao, Y. L.; Shang, Y.; Li, X. R. Transactions of CSICE 2015, 32 (5), 393. [张小玉, 刘福水, 何旭, 高永利, 尚勇, 李向荣. 内燃机学报, 2014, 32 (5), 393.]
12. [12]
  (12) Ma, Y. P.; Liu, F. S.; He, X. Transactions of CSICE 2014, 32 (4), 296. [马玉坡, 刘福水, 何旭. 内燃机学报, 2014, 32 (4), 296.]
13. [13]
  (13) Kokjohn, S.; Reitz, R. D.; Splitter, D.; Musculus, M. SAE International Journal of Engines 2012, 5 (2), 248. doi: 10.4271/2012-01-0375
14. [14]
  (14) Mancaruso, E.; Vaglieco, B. M. SAE International Journal of Fuels and Lubricants 2011, 4 (2), 271. doi: 10.4271/2011-24-0061
15. [15]
  (15) Donkerbroek, A. J.; van Vliet, A. P.; Somers, L. M. T.; Frijters, P. J. M.; Klein-Douwel, R. J. H.; Dam, N. J.; Meerts, W. L.; ter Meulen, J. J. Combust. Flame 2010, 157 (1), 155. doi: 10.1016/j.combustflame.2009.07.004
16. [16]
  (16) Dec, J. E.; Coy, E. B. SAE Tech. Pap. Ser. 1996, 960831.
17. [17]
  (17) Richter, M.; Collin, R.; Nygren, J.; Alden, M.; Hildingsson, L.; Johansson, B. JSME International Journal Series B Fluids and Thermal Engineering 2005, 48 (4), 701. doi: 10.1299/jsmeb.48.701
18. [18]
  (18) Ma, X.; Wang, Z.; Jiang, C. Fuel 2014, 134 (9), 603.
19. [19]
  (19) Ma, X.; Xu, H.; Jiang, C. Appl. Energ. 2014, 122 (5), 247.
20. [20]
  (20) Weng, W. B.; Wang, Z. H.; He, Y. Journal of Engineering Thermophysics 2014, 35 (11), 2308. [翁武斌, 王智化, 何勇. 工程热物理学报, 2014, 35 (11), 2308.]
21. [21]
  (21) He, Y.; Wang, Z. H.; Yang, L. Proceedings of the CSEE 2011, 31 (5), 28. [何勇, 王智化, 杨丽. 中国电机工程学报, 2011, 31(5), 28.]
22. [22]
  (22) Zhou, Y. J.; Wang, Z. H.; He, Y. Journal of Experiments in Fluid Mechanics 2014, 28 (3), 45. [周雅君, 王智化, 何勇. 实验流体力学, 2014, 28 (3), 45.]
23. [23]
  (23) Schulz, C.; Sick, V. Prog. Energ. Combust. 2005, 31 (1), 75. doi: 10.1016/j.pecs.2004.08.002
24. [24]
  (24) Genzale, C. L.; Reitz, R. D.; Musculus, M. P. B. SAE Tech. Pap. Ser. 2008, 2008-01-1330.
25. [25]
  (25) Donkerbroek, A. J.; van Vliet, A. P.; Somers, L. M. T.; Dam, N. J.; ter Meulen, J. J. Combust. Flame 2011, 158 (3), 564. doi: 10.1016/j.combustflame.2010.09.024
26. [26]
  (26) Collin, R.; Nygren, J.; Richter, M.; Aldé n, M.; Hildingsson, L.; Johansson, B. SAE Tech. Pap. Ser. 2003, 2003-01-3218.
27. [27]
  (27) Genzale, C. L.; Reitz, R. D.; Musculus, M. P. B. Proc. Combust. Inst. 2009, 32 (2), 2767. doi: 10.1016/j.proci.2008.06.072
28. [28]
  (28) Zhang, P.; Liu, H. F.; Chen, B. L.; Tang, Q. L.; Yao, M. F. Acta Phys. -Chim. Sin. 2015, 31 (1), 32. [张鹏, 刘海峰, 陈贝凌, 唐青龙, 尧命发. 物理化学学报, 2015, 31 (1), 32.] doi: 10.3866/PKU.WHXB201411051
29. [29]
  (29) Zheng, L.; Ma, X.; Wang, Z.; Wang, J. X. Fuel 2015, 139, 365. doi: 10.1016/j.fuel.2014.09.009
30. [30]
  (30) Tang, Q. L.; Zhang, P.; Liu, H. F.; Yao, M. F. Acta Phys. -Chim. Sin. 2015, 31 (5), 980. [唐青龙, 张鹏, 刘海峰, 尧命发. 物理化学学报, 2015, 31 (5), 980.] doi: 10.3866/PKU. WHXB201503101
31. [31]
  (31) Brackmann, C.; Nygren, J.; Bai, X.; Li, Z.; Bladh, H.; Axelsson, B.; Denbratt, I.; Koopmans, L.; Bengtsson, P. E.; Aldé n, M. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2003, 59 (14), 3347. doi: 10.1016/S1386-1425(03)00163-X
32. [32]
  (32) Luque, J.; Crosley, D. R. 1999, SRI International Report MP 99-009.
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