Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.10058582
Xiaoyi Wang, Enzhu Hu, K. Dearn, Fang Liang, Baohong Tong, L. Ma, Guotao Zhang
{"title":"Directional transport behaviour of droplets on the surfaces with asymmetric slanted cone arrays","authors":"Xiaoyi Wang, Enzhu Hu, K. Dearn, Fang Liang, Baohong Tong, L. Ma, Guotao Zhang","doi":"10.1504/ijhm.2023.10058582","DOIUrl":"https://doi.org/10.1504/ijhm.2023.10058582","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"1 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66896124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
For exploring the directional transport behaviour of droplets on micro-structured surfaces, a dynamic model of droplet directional transport on the surfaces with asymmetrically oblique cones is established. The change of the droplet morphology and the flow properties are discussed. Results show that droplet can transport directionally on the surfaces with asymmetrically inclined cones. The transport velocity and morphology is significantly affected by different structural parameters. Under the preferred geometric parameters, the droplet has the maximum transport velocity and has non-splitting and stable forward transport. On both sides of the solid-liquid contact interface, the left vortex and the right vortex push and pull the interface forward respectively. This causes the droplets to flow forward synchronously with the interface. The results reveal the directional transport mechanism of droplets on the inclined cone surface, which provides a theoretical basis for the engineering surface design with fluid transport function.
{"title":"Directional transport behaviour of droplets on the surfaces with asymmetric slanted cone arrays","authors":"Guotao Zhang, Liangliang Ma, Baohong Tong, Fanglin Liang, Xiaoyi Wang, Enzhu Hu, Karl Dearn","doi":"10.1504/ijhm.2023.134340","DOIUrl":"https://doi.org/10.1504/ijhm.2023.134340","url":null,"abstract":"For exploring the directional transport behaviour of droplets on micro-structured surfaces, a dynamic model of droplet directional transport on the surfaces with asymmetrically oblique cones is established. The change of the droplet morphology and the flow properties are discussed. Results show that droplet can transport directionally on the surfaces with asymmetrically inclined cones. The transport velocity and morphology is significantly affected by different structural parameters. Under the preferred geometric parameters, the droplet has the maximum transport velocity and has non-splitting and stable forward transport. On both sides of the solid-liquid contact interface, the left vortex and the right vortex push and pull the interface forward respectively. This causes the droplets to flow forward synchronously with the interface. The results reveal the directional transport mechanism of droplets on the inclined cone surface, which provides a theoretical basis for the engineering surface design with fluid transport function.","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135051514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.10057303
H. Du, W. Li, J. Yang, S. Zhang, Y. Wang, Q. Zhang, S. Sun, S. Jin, Z. Chen
{"title":"A tunable phononic crystal working with magnetofluid","authors":"H. Du, W. Li, J. Yang, S. Zhang, Y. Wang, Q. Zhang, S. Sun, S. Jin, Z. Chen","doi":"10.1504/ijhm.2023.10057303","DOIUrl":"https://doi.org/10.1504/ijhm.2023.10057303","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"1 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66895922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.10055518
Kun Yu, Litao Chen, Shenchao Zhang, J. Lumkes, Yizhuo Zhao, Yajun Liu
{"title":"Parameter optimization design of mixing and distributing system of vertical biaxial bladed mixer","authors":"Kun Yu, Litao Chen, Shenchao Zhang, J. Lumkes, Yizhuo Zhao, Yajun Liu","doi":"10.1504/ijhm.2023.10055518","DOIUrl":"https://doi.org/10.1504/ijhm.2023.10055518","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"1 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66895262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.134343
Shaomeng Gu, Ce Yan, Xin Liu, Ling Zhao, Bo Liu
{"title":"Prescribed performance control for a pneumatic cylinder with strong friction via nonlinear extended state observer","authors":"Shaomeng Gu, Ce Yan, Xin Liu, Ling Zhao, Bo Liu","doi":"10.1504/ijhm.2023.134343","DOIUrl":"https://doi.org/10.1504/ijhm.2023.134343","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135051515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.129124
Jian Zhang, Jia Yang Li, Tao Wang, Zhan Song Qian
{"title":"Influence of nozzle structure on the flow field of the prestage of nozzle flapper servo valve","authors":"Jian Zhang, Jia Yang Li, Tao Wang, Zhan Song Qian","doi":"10.1504/ijhm.2023.129124","DOIUrl":"https://doi.org/10.1504/ijhm.2023.129124","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135534456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.10058747
K. Raju, R. Venkatakrishnaiah, S. Jeyanthi
{"title":"Multilayer geocell-reinforced soils using mayfly optimisation predicts circular foundation load settlement","authors":"K. Raju, R. Venkatakrishnaiah, S. Jeyanthi","doi":"10.1504/ijhm.2023.10058747","DOIUrl":"https://doi.org/10.1504/ijhm.2023.10058747","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"1 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66896235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.129122
Jiaqun Li, Hongfei Shang, Jianfeng Yan, Ming Qiao, Jiachen Yu, Dezhi Zhu, Chao He
Micro holes drilling in polymers have a variety of applications in industry and research. Especially, the fabrication of micro hole with high aspect ratio is a key technology for advanced applications. In this work, we report an improvement in drilling on poly-methyl methacrylate (PMMA) by using double-pulse femtosecond laser. Compared to single pulse, the achievable depth by double pulses can be increased by 50% when the pulse delay is 100 fs and gradually decreases with delay increasing. The depth evolution with the increasing of pulse number is investigated. When the micro hole depth reaches a certain value, the processing speed of double pulse is less restricted than single pulse. Furthermore, the relationship between the depth improvement and electrons decay together with absorption increase is studied.
{"title":"Micro drilling of PMMA with double-pulse femtosecond laser","authors":"Jiaqun Li, Hongfei Shang, Jianfeng Yan, Ming Qiao, Jiachen Yu, Dezhi Zhu, Chao He","doi":"10.1504/ijhm.2023.129122","DOIUrl":"https://doi.org/10.1504/ijhm.2023.129122","url":null,"abstract":"Micro holes drilling in polymers have a variety of applications in industry and research. Especially, the fabrication of micro hole with high aspect ratio is a key technology for advanced applications. In this work, we report an improvement in drilling on poly-methyl methacrylate (PMMA) by using double-pulse femtosecond laser. Compared to single pulse, the achievable depth by double pulses can be increased by 50% when the pulse delay is 100 fs and gradually decreases with delay increasing. The depth evolution with the increasing of pulse number is investigated. When the micro hole depth reaches a certain value, the processing speed of double pulse is less restricted than single pulse. Furthermore, the relationship between the depth improvement and electrons decay together with absorption increase is studied.","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135126905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-01-01DOI: 10.1504/ijhm.2023.10055519
Jianhua Zhao, Dianrong Gao, Xiaochen Wu, H. Zhang, Shuang Li, Bo Qin
{"title":"Research on singular point characteristics and parameter bifurcation of single DOF nonlinear autonomous bearing system of magnetic-liquid double suspension bearing","authors":"Jianhua Zhao, Dianrong Gao, Xiaochen Wu, H. Zhang, Shuang Li, Bo Qin","doi":"10.1504/ijhm.2023.10055519","DOIUrl":"https://doi.org/10.1504/ijhm.2023.10055519","url":null,"abstract":"","PeriodicalId":29937,"journal":{"name":"International Journal of Hydromechatronics","volume":"1 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66895384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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