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An artificial neural network-based drag model modification method for microbubble flow

delete2026-09-03
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PRE
AI
L
Linxiao Zhai
Y
Yizhou Cui
C
Chengxiang Li
Y
Yuhui Li
Y
Yitong Cheng
Y
Yunpeng Zhao
蓝兴英 封面图
蓝兴英 (Xingying Lan)
高金森 封面图
高金森 (Jinsen Gao)
C
Chunming Xu
X
Xiaogang Shi *
DOI:10.1002/aic.70639delete
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摘要

摘要

En 中文
精确的气-液曳力模型对于模拟微气泡反应器的流体动力学至关重要。然而,将气泡群相互作用纳入模型仍然具有挑战性。本研究使用高速成像技术识别了气体持气率和气泡尺寸-体积分布(BSVD)作为调控微气泡群效应的关键参数,这些效应被归类为加速、阻碍或弱相互作用。提出了一种基于人工神经网络(ANN)的通用曳力修正方法,用于在广泛的操作条件下纳入群动力学。通过将高保真度计算流体动力学(CFD)模拟与实验数据进行比较对模型进行了验证。结果表明,经过ANN修正的曳力模型在预测总体气体持气率和再现不同群效应区域方面,其准确性显著高于传统曳力模型。
Keyword:
ANN
CFD simulation
drag model
microbubble
microbubble swarm effect

期刊

AIChE Journal 封面图
AIChE Journal
IF:
4
论文数:
1.1W
被引数:
2.9W

机构

C
china university of petroleum
学者数:
4.1W
论文数: 2.7W
被引数: 30
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