Decomposition of power number in a stirred tank and real time reconstruction of 3D large-scale flow structures from sparse pressure measurements
Decomposition of power number in a stirred tank and real time reconstruction of 3D large-scale flow structures from sparse pressure measurements
复制标题
搅拌罐中功率数的分解以及稀疏压力测量的 3D 大规模流动结构的实时重建
DOI:
10.1016/j.ces.2023.118881
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发表时间:
2023
影响因子:
4.7
通讯作者:
Mikhaylov K
中科院分区:
文献类型:
--
作者:
Mikhaylov K
We consider the flow inside an unbaffled stirred tank at Re = 600 and decompose the pressure field into components that are constant, linear and quadratic with respect to the temporal coefficients of velocity POD (proper orthogonal decomposition) modes. The pressure components are used to analyse the power number of individual blades and blade combinations. We also employ an identification algorithm to derive a linear dynamic estimator that allows the reconstruction (in real time) of the instantaneous 3D velocity field from sparse pressure measurements at the impeller blades. The first pair of POD modes are reconstructed with reasonable accuracy using the pressure signal from a single sensor. The results improve with 6 or 12 sensors. Application of the estimator to Re=500 and 700 shows that it is robust to changes in operating conditions. The work opens the possibility for real time control of mixing with targeted feeding location and rate.
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影响因子:
4.7
作者:
M. Assirelli;W. Bujalski;A. Eaglesham;A. Nienow
通讯作者:
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DOI:
--
发表时间:
2012
期刊:
影响因子:
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通讯作者:
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DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
Somnath C. Roy;S. Acharya
通讯作者:
S. Acharya
影响因子:
3.7
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