在设计有效的工艺设备时对原材料进行综合研究

M.V. Petriaiev, S. Antonyuk, F. Krull, A. Toporov, P. Tretiakov, I.V. Kutniashenko, O.E. Aleksieieva
{"title":"在设计有效的工艺设备时对原材料进行综合研究","authors":"M.V. Petriaiev, S. Antonyuk, F. Krull, A. Toporov, P. Tretiakov, I.V. Kutniashenko, O.E. Aleksieieva","doi":"10.31474/2308-5312-2020-1-14-37-54","DOIUrl":null,"url":null,"abstract":"Purpose of work: comprehensive study of raw materials. Methodology for performing the work: a combination of computer modeling and experimental research of the processes occurring with the particles of raw material at various stages of technological processing. Methods for calculating ISSN 2308-5312 Наукові праці ДонНТУ. Серія: «Машинобудування і машинознавство». No1(14)’2020 54 the deformation behavior of cylindrical and spherical particles under load with different elastic moduli and using Hertz's expressions and Hooke's law have been developed; creation and description of comparative diagrams of deformation behavior and displacement curves for cylindrical and spherical particles; studies of capillary and viscous forces during particle-particle and particle-wall interactions, when one of the objects has a liquid layer; investigation of the deformation behavior of particles upon impact on a dry surface and a surface with a thin layer of liquid; measuring the dynamic angle of contact between the liquid bridge and the particle; determination of density and structural characteristics of discrete materials; shear tests of bulk materials under various normal loads; studies of residual (transient) flow at various loads of powder materials; compression tests of materials; compaction of bulk materials (tableting) uniaxial compression tests. Scientific novelty: we developed and investigated a mathematical model of deformation and behavior of particles under load; the process of impact of a spherical particle on a dry surface and a surface with a layer of liquid. The relationship between the shape of particles and their ability to resist external influences is revealed. A regularity has been established that shows how the presence of a liquid layer on the surface of particles significantly affects the interaction between particles. The expediency of combining modeling and experimental research in the study of bulk materials is given. Practical value: the methods of modeling and experimental study of the behavior of material particles under various external influences given in the article are advisable to use in the design and modernization of such equipment as granulators, bins, dispensers, briquetting and tableting presses, pneumatic conveying elements, and the like. The article presents the results of particle behavior studies conducted in the laboratories of the Technical University in the city of Kaiserslautern, Germany, under the DAAD international scientific cooperation program.","PeriodicalId":408788,"journal":{"name":"Scientific Papers оf DonNTU: Mechanical Engineering and Machine Science","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"INTEGRATED RESEARCH OF RAW MATERIALS WHEN DESIGNING EFFECTIVE TECHNOLOGICAL EQUIPMENT\",\"authors\":\"M.V. Petriaiev, S. Antonyuk, F. Krull, A. Toporov, P. Tretiakov, I.V. Kutniashenko, O.E. Aleksieieva\",\"doi\":\"10.31474/2308-5312-2020-1-14-37-54\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Purpose of work: comprehensive study of raw materials. Methodology for performing the work: a combination of computer modeling and experimental research of the processes occurring with the particles of raw material at various stages of technological processing. Methods for calculating ISSN 2308-5312 Наукові праці ДонНТУ. Серія: «Машинобудування і машинознавство». No1(14)’2020 54 the deformation behavior of cylindrical and spherical particles under load with different elastic moduli and using Hertz's expressions and Hooke's law have been developed; creation and description of comparative diagrams of deformation behavior and displacement curves for cylindrical and spherical particles; studies of capillary and viscous forces during particle-particle and particle-wall interactions, when one of the objects has a liquid layer; investigation of the deformation behavior of particles upon impact on a dry surface and a surface with a thin layer of liquid; measuring the dynamic angle of contact between the liquid bridge and the particle; determination of density and structural characteristics of discrete materials; shear tests of bulk materials under various normal loads; studies of residual (transient) flow at various loads of powder materials; compression tests of materials; compaction of bulk materials (tableting) uniaxial compression tests. Scientific novelty: we developed and investigated a mathematical model of deformation and behavior of particles under load; the process of impact of a spherical particle on a dry surface and a surface with a layer of liquid. The relationship between the shape of particles and their ability to resist external influences is revealed. A regularity has been established that shows how the presence of a liquid layer on the surface of particles significantly affects the interaction between particles. The expediency of combining modeling and experimental research in the study of bulk materials is given. Practical value: the methods of modeling and experimental study of the behavior of material particles under various external influences given in the article are advisable to use in the design and modernization of such equipment as granulators, bins, dispensers, briquetting and tableting presses, pneumatic conveying elements, and the like. The article presents the results of particle behavior studies conducted in the laboratories of the Technical University in the city of Kaiserslautern, Germany, under the DAAD international scientific cooperation program.\",\"PeriodicalId\":408788,\"journal\":{\"name\":\"Scientific Papers оf DonNTU: Mechanical Engineering and Machine Science\",\"volume\":\"5 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Scientific Papers оf DonNTU: Mechanical Engineering and Machine Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.31474/2308-5312-2020-1-14-37-54\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Scientific Papers оf DonNTU: Mechanical Engineering and Machine Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31474/2308-5312-2020-1-14-37-54","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

摘要

工作目的:对原材料进行综合研究。执行工作的方法:将计算机建模和实验研究相结合,研究在技术加工的各个阶段与原材料颗粒一起发生的过程。方法2308 - 5312年为计算ISSNНауковіпраціДонНТУ。Серія:«Машинобудування * машинознавство»。No1(14) ' 2020 54利用Hertz表达式和Hooke定律推导了不同弹性模量载荷下柱状和球形颗粒的变形行为;创建和描述圆柱形和球形颗粒的变形行为和位移曲线的对比图;研究了当其中一个物体有液体层时,颗粒-颗粒和颗粒-壁面相互作用时的毛细力和粘性力;颗粒撞击干燥表面和有薄层液体表面时的变形行为研究;测量液桥与颗粒的动态接触角;离散材料的密度和结构特性的测定不同法向载荷作用下块状材料的剪切试验粉末物料在不同载荷下的残余(瞬态)流动研究材料压缩试验;块状材料压实(压片)单轴压缩试验。科学新颖性:我们开发和研究了载荷下颗粒变形和行为的数学模型;球形颗粒撞击干燥表面和有一层液体的表面的过程。揭示了颗粒形状与其抗外界影响能力之间的关系。已经建立了一个规律,表明在粒子表面存在的液体层如何显著地影响粒子之间的相互作用。指出了将模型与实验研究相结合用于块状材料研究的方便性。实用价值:文中给出的物料颗粒在各种外界影响下的行为的建模和实验研究方法,可用于造粒机、料仓、分配器、压块压片机、气动输送元件等设备的设计和现代化。这篇文章介绍了在DAAD国际科学合作计划下,在德国凯泽斯劳滕市工业大学实验室进行的粒子行为研究的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INTEGRATED RESEARCH OF RAW MATERIALS WHEN DESIGNING EFFECTIVE TECHNOLOGICAL EQUIPMENT
Purpose of work: comprehensive study of raw materials. Methodology for performing the work: a combination of computer modeling and experimental research of the processes occurring with the particles of raw material at various stages of technological processing. Methods for calculating ISSN 2308-5312 Наукові праці ДонНТУ. Серія: «Машинобудування і машинознавство». No1(14)’2020 54 the deformation behavior of cylindrical and spherical particles under load with different elastic moduli and using Hertz's expressions and Hooke's law have been developed; creation and description of comparative diagrams of deformation behavior and displacement curves for cylindrical and spherical particles; studies of capillary and viscous forces during particle-particle and particle-wall interactions, when one of the objects has a liquid layer; investigation of the deformation behavior of particles upon impact on a dry surface and a surface with a thin layer of liquid; measuring the dynamic angle of contact between the liquid bridge and the particle; determination of density and structural characteristics of discrete materials; shear tests of bulk materials under various normal loads; studies of residual (transient) flow at various loads of powder materials; compression tests of materials; compaction of bulk materials (tableting) uniaxial compression tests. Scientific novelty: we developed and investigated a mathematical model of deformation and behavior of particles under load; the process of impact of a spherical particle on a dry surface and a surface with a layer of liquid. The relationship between the shape of particles and their ability to resist external influences is revealed. A regularity has been established that shows how the presence of a liquid layer on the surface of particles significantly affects the interaction between particles. The expediency of combining modeling and experimental research in the study of bulk materials is given. Practical value: the methods of modeling and experimental study of the behavior of material particles under various external influences given in the article are advisable to use in the design and modernization of such equipment as granulators, bins, dispensers, briquetting and tableting presses, pneumatic conveying elements, and the like. The article presents the results of particle behavior studies conducted in the laboratories of the Technical University in the city of Kaiserslautern, Germany, under the DAAD international scientific cooperation program.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信