朱礼涛, 罗正鸿
收稿日期:
2018-02-11
修回日期:
2018-04-24
出版日期:
2018-09-05
发布日期:
2018-09-05
通讯作者:
罗正鸿
基金资助:
国家科技部项目(2017YFB0602401);国家自然科学基金项目(21776173,21625603)。
ZHU Litao, LUO Zhenghong
Received:
2018-02-11
Revised:
2018-04-24
Online:
2018-09-05
Published:
2018-09-05
Supported by:
supported by the National Ministry of Science and Technology of China (2017YFB0602401) and the National Natural Science Foundation of China (21776173, 21625603).
摘要:
多相流反应器广泛应用于化工、冶金、能源及医药等过程工业,其内部具有非稳态、非线性、非平衡的自然属性,因而对多相流检测技术提出了挑战。准确检测并理解多相流体力学特性、进而揭示并掌握多相流反应器设计及放大规律,一直是当今过程工程领域的前沿课题之一。磁共振成像(MRI)作为一种非侵入式、多维瞬态全流场先进检测手段,可获得准确详尽的多维流场信息,包括颗粒浓度与速度(脉动)场、流型识别、气泡尾涡、颗粒聚团等多尺度流场参数及介尺度流动结构。此外,MRI在数值模型验证与改进方面也具有良好的应用前景。概述了MRI技术原理,重点论述了MRI近年来在气固及气液反应器中的研究现状,展望了MRI在多相流反应器中有待拓展的方向。
中图分类号:
朱礼涛, 罗正鸿. 磁共振成像应用于多相流体动力学研究进展[J]. 化工学报, DOI: 10.11949/j.issn.0438-1157.20180192.
ZHU Litao, LUO Zhenghong. Application of magnetic resonance imaging to multiphase fluid hydrodynamics[J]. CIESC Journal, DOI: 10.11949/j.issn.0438-1157.20180192.
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