水煤浆流变性和表面张力对其微观破裂的影响

O359+.1; 以神华煤和华电煤为原料制备了质量分数为58％～62％的水煤浆,使用旋转流变仪、静/动态表面张力仪、高速摄像机和图像处理软件等研究了水煤浆理化参数对其微观破裂过程的影响.水煤浆属于剪切变稀的非牛顿流体,采用Herschel-Bulkley模型建立了水煤浆流变关系式;与静态表面张力不同,水煤浆的动态表面张力随着特征气泡时间的增加先减小后增加,表面张力最小值出现在200 ms附近;获得了基于水煤浆流变性和动态表面张力函数的水煤浆微观破裂特征直径与时间的关系式....

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Published in华东理工大学学报（自然科学版） Vol. 48; no. 6; pp. 715 - 722
Main Authors 赵曼, 许治嘉, 赵辉, 许建良, 李伟锋, 刘海峰
Format Journal Article
LanguageChinese
Published 华东理工大学上海煤气化工程技术研究中心, 国家能源煤气化技术研发中心, 上海 200237 01.12.2022
Subjects
微观破裂
表面张力
水煤浆
黏度
流变性
Online AccessGet full text
ISSN1006-3080
DOI10.14135/j.cnki.1006-3080.20210920001

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Abstract O359+.1; 以神华煤和华电煤为原料制备了质量分数为58％～62％的水煤浆,使用旋转流变仪、静/动态表面张力仪、高速摄像机和图像处理软件等研究了水煤浆理化参数对其微观破裂过程的影响.水煤浆属于剪切变稀的非牛顿流体,采用Herschel-Bulkley模型建立了水煤浆流变关系式;与静态表面张力不同,水煤浆的动态表面张力随着特征气泡时间的增加先减小后增加,表面张力最小值出现在200 ms附近;获得了基于水煤浆流变性和动态表面张力函数的水煤浆微观破裂特征直径与时间的关系式.
AbstractList O359+.1; 以神华煤和华电煤为原料制备了质量分数为58％～62％的水煤浆,使用旋转流变仪、静/动态表面张力仪、高速摄像机和图像处理软件等研究了水煤浆理化参数对其微观破裂过程的影响.水煤浆属于剪切变稀的非牛顿流体,采用Herschel-Bulkley模型建立了水煤浆流变关系式;与静态表面张力不同,水煤浆的动态表面张力随着特征气泡时间的增加先减小后增加,表面张力最小值出现在200 ms附近;获得了基于水煤浆流变性和动态表面张力函数的水煤浆微观破裂特征直径与时间的关系式.
Author 刘海峰
赵辉
许建良
赵曼
李伟锋
许治嘉
AuthorAffiliation 华东理工大学上海煤气化工程技术研究中心, 国家能源煤气化技术研发中心, 上海 200237
AuthorAffiliation_xml – name: 华东理工大学上海煤气化工程技术研究中心, 国家能源煤气化技术研发中心, 上海 200237
Author_FL ZHAO Man
XU Jianliang
XU Zhijia
LIU Haifeng
LI Weifeng
ZHAO Hui
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表面张力
水煤浆
黏度
流变性
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Snippet O359+.1; 以神华煤和华电煤为原料制备了质量分数为58％～62％的水煤浆,使用旋转流变仪、静/动态表面张力仪、高速摄像机和图像处理软件等研究了水煤浆理化参数对其微观破裂过...
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Title 水煤浆流变性和表面张力对其微观破裂的影响
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