[1] Zhuang Yaming, Chen Xiaoping, Liu Daoyin,. Applicability of Markov chain-based stochastic modelfor bubbling fluidized beds [J]. Journal of Southeast University (English Edition), 2015, 31 (2): 249-253. [doi:10.3969/j.issn.1003-7985.2015.02.016]
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Applicability of Markov chain-based stochastic modelfor bubbling fluidized beds(
)
)Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]
- Volumn:
- 31
- Issue:
- 2015 2
- Page:
- 249-253
- Research Field:
- Chemistry and Chemical Engineering
- Publishing date:
- 2015-06-20
Info
- Title:
- Applicability of Markov chain-based stochastic modelfor bubbling fluidized beds
- Author(s):
- Zhuang Yaming; Chen Xiaoping; Liu Daoyin
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
- PACS:
- TQ16
- DOI:
- 10.3969/j.issn.1003-7985.2015.02.016
- Abstract:
- A Markov chain-based stochastic model(MCM)is developed to simulate the movement of particles in a 2D bubbling fluidized bed(BFB). The state spaces are determined by the discretized physical cells of the bed, and the transition probability matrix is directly calculated by the results of a discrete element method(DEM)simulation. The Markov property of the BFB is discussed by the comparison results calculated from both static and dynamic transition probability matrices. The static matrix is calculated based on the Markov chain while the dynamic matrix is calculated based on the memory property of the particle movement. Results show that the difference in the trends of particle movement between the static and dynamic matrix calculation is very small. Besides, the particle mixing curves of the MCM and DEM have the same trend and similar numerical values, and the details show the time averaged characteristic of the MCM and also expose its shortcoming in describing the instantaneous particle dynamics in the BFB.
References:
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Memo
- Memo:
-
Biographies: Zhuang Yaming(1990—), male, graduate; Chen Xiao-ping(corresponding author), male, doctor, professor, xpchen@seu.edu.cn.
Foundation items: The National Science Foundation of China(No.51276036, 51306035), the Fundamental Research Funds for the Central Universities(No.KYLX_0114).
Citation: Zhuang Yaming, Chen Xiaoping, Liu Daoyin. Applicability of Markov chain-based stochastic model for bubbling fluidized beds[J].Journal of Southeast University(English Edition), 2015, 31(2):249-253.[doi:10.3969/j.issn.1003-7985.2015.02.016]