Application of dynamic mode decomposition in in-cylinder flow field study

被引：0
|
作者：
Qin W.-J. [1 ]
Xu M. [1 ]
Hung D. [1 ,2 ]
Ge P.-H. [2 ]
机构：
[1] National Engineering Laboratory for Automobile Electronic Control Technology, Shanghai Jiao Tong University, Shanghai
[2] University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai
来源：
Xu, Min (mxu@sjtu.edu.cn) | 2016年 / Chinese Society for Internal Combustion Engines卷 / 34期
关键词：
Dynamic mode decomposition; Internal combustion engine; Particle image velocimetry; Turbulence;
D O I：
10.16236/j.cnki.nrjxb.201604045
中图分类号：
学科分类号：
摘要：
In-cylinder flow field plays a key role in the internal combustion engine working process. Besides the accurate flow data recording, reasonable mathematic processing method is also important. The dynamic mode decomposition (DMD) was used to analyse the in-cylinder flow field PIV dataset of an optical spark ignition direct injection (SIDI) engine. The turbulence characteristics under different frequency were studied, including the vortices structure spatial distribution, flow energy/intensity distribution and decay rate. The study enriches the understanding of the in-cylinder flow field. © 2016, Editorial Office of the Transaction of CSICE. All right reserved.
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页码：334 / 338
页数：4
相关论文
共 13 条
  • [1] Lumley J., The structure of inhomogeneous turbulent flows, Atmospheric Turbulence and Radio Wave Propagation, pp. 166-178, (1967)
  • [2] Qin W.J., Xie M.Z., Jia M., Et al., Analysis of incylinder turbulent flows in a DISI gasoline engine with a POD quadruple decomposition, Journal of Engineering for Gas Turbines and Power, 136, 11, pp. 1-15, (2014)
  • [3] Chen H., Reuss D., Hung D.L.S., Et al., A practical guide for using proper orthogonal decomposition in engine research, International Journal of Engine Research, 14, 4, pp. 307-319, (2013)
  • [4] Rowle C.W., Mezic I., Bagheri S., Et al., Spectral analysis of nonlinear flows, J Fluid Mech, 641, pp. 115-127, (2009)
  • [5] Rowley C.W., Mezic I., Bagheri S., Et al., Spectral analysis of nonlinear flows, J Fluid Mech, 641, pp. 115-127, (2009)
  • [6] Schmid P.J., Dynamic mode decomposition of numerical and experimental data, J Fluid Mech, 656, pp. 5-28, (2010)
  • [7] Schmid P.J., Application of the dynamic mode decomposition to experimental data, Exp Fluids, 50, 4, pp. 1123-1130, (2011)
  • [8] Schmid P.J., Li L., Juniper M.P., Et al., Applications of the dynamic mode decomposition, Theor Comput Fluid Dyn, 25, pp. 249-259, (2011)
  • [9] Schmid P.J., Violato D., Scarano F., Decompsition of time-resolved tomographic PIV, Exp Fluids, 52, 6, pp. 1567-1579, (2012)
  • [10] Mezic I., Banaszuk A., Comparison of systems with complex behavior, Physica D, 197, 1-2, pp. 101-133, (2004)
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