{"title":"Multi-objective optimization for minimizing weldline and cycle time in rapid heating cycle molding using variable packing pressure profile","authors":"Shogo Tsurita, Satoshi Kitayama, M. Takano, Yusuke Yamazaki, Yoshikazu Kubo, Shuji Aiba","doi":"10.1299/transjsme.22-00048","DOIUrl":"https://doi.org/10.1299/transjsme.22-00048","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"164 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123050293","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 : 1900-01-01DOI: 10.1299/transjsme.22-00238
Takumi Shibata, Y. Michitsuji
{"title":"Obstacle detection in front of a railway vehicle using an onboard stereo camera (Evaluation with scaled model experimental vehicle)","authors":"Takumi Shibata, Y. Michitsuji","doi":"10.1299/transjsme.22-00238","DOIUrl":"https://doi.org/10.1299/transjsme.22-00238","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123068818","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 : 1900-01-01DOI: 10.1299/transjsme.21-00246
Kazushi Yoshida, Y. Hisatomi
A new paper sheet feeding mechanism using a friction force owing to electrostatic adhesion is proposed to realize long-term reliability and reduction in maintenance work. In this mechanism, friction force owing to electrostatic adhesion of an electrostatic pad acts as a resistance force to make paper sheets separate successively instead of a friction force of rubber parts used in the conventional feeding mechanism. The electrostatic pad with comb-type electrodes and whose upper surface is coated with an insulator with high wear resistance generates the resistance force. First, the width of the electrode and the spacing between electrodes of the electrostatic pad that generate a large electrostatic adhesion at the lowest possible voltage are determined from an experiment using the evaluation electrostatic pad. Then, the feed force acting on the first and the second paper sheets, and the resistance force owing to the electrostatic pad are measured by pulling the paper sheets in the separation mechanism. Furthermore, the performance of the paper sheet feeding mechanism is measured while changing the value of the voltage applied to the electrostatic pad. Consequently, it was found that the paper sheets could be accurately fed successively by adjusting the applied voltage to an appropriate value.
{"title":"Study of paper sheet feeding mechanism using resistance force owing to electrostatic adhesion","authors":"Kazushi Yoshida, Y. Hisatomi","doi":"10.1299/transjsme.21-00246","DOIUrl":"https://doi.org/10.1299/transjsme.21-00246","url":null,"abstract":"A new paper sheet feeding mechanism using a friction force owing to electrostatic adhesion is proposed to realize long-term reliability and reduction in maintenance work. In this mechanism, friction force owing to electrostatic adhesion of an electrostatic pad acts as a resistance force to make paper sheets separate successively instead of a friction force of rubber parts used in the conventional feeding mechanism. The electrostatic pad with comb-type electrodes and whose upper surface is coated with an insulator with high wear resistance generates the resistance force. First, the width of the electrode and the spacing between electrodes of the electrostatic pad that generate a large electrostatic adhesion at the lowest possible voltage are determined from an experiment using the evaluation electrostatic pad. Then, the feed force acting on the first and the second paper sheets, and the resistance force owing to the electrostatic pad are measured by pulling the paper sheets in the separation mechanism. Furthermore, the performance of the paper sheet feeding mechanism is measured while changing the value of the voltage applied to the electrostatic pad. Consequently, it was found that the paper sheets could be accurately fed successively by adjusting the applied voltage to an appropriate value.","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115737474","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 : 1900-01-01DOI: 10.1299/transjsme.21-00105
Natsuhiro Mita, M. Omiya, Shingo Watanabe
{"title":"Improvement of experimental device for high cycle fatigue tests of copper alloy strips and characterizing fatigue properties","authors":"Natsuhiro Mita, M. Omiya, Shingo Watanabe","doi":"10.1299/transjsme.21-00105","DOIUrl":"https://doi.org/10.1299/transjsme.21-00105","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116772430","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 : 1900-01-01DOI: 10.1299/transjsme.23-00050
Toshio Ohta, Kenji Takahata, M. Takahama
{"title":"従来の線形二輪モデルを拡張した動的二輪モデルの研究","authors":"Toshio Ohta, Kenji Takahata, M. Takahama","doi":"10.1299/transjsme.23-00050","DOIUrl":"https://doi.org/10.1299/transjsme.23-00050","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"20 78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117064929","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 : 1900-01-01DOI: 10.1299/transjsme.22-00269
Naomichi Yanagidate, K. Komori
{"title":"High accuracy estimation technique of structural vibration by virtual sensing","authors":"Naomichi Yanagidate, K. Komori","doi":"10.1299/transjsme.22-00269","DOIUrl":"https://doi.org/10.1299/transjsme.22-00269","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124782516","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 : 1900-01-01DOI: 10.1299/JSMECMD.2018.31.137
S. Takarazawa, K. Ushijima, M. Motosuke
In this paper, heat transfer characteristics and the pressure drop response of sandwich structures containing open-cell core were studied by using numerical simulation. The effect of micro-architecture and cell size of the unit cell on these characteristics were investigated by changing relative density of the models. In this paper, three types of open-cell were analyzed. There is a trade-off relationship between the heat transfer characteristics and the pressure drop response. These factors are the direction of thermal paths, surface area size and internal flow state. Also, these factors can be controlled without changing the relative density when the cell size is changed and the aspect ratio is equal. In order to clarify the characteristics of the open-cell, the open-cell were compared with two types of closed-cell as representative of other cores in terms of two dimensionless numbers (Nusselt number and friction factor). As a result, it was confirmed that the open-cell has high superiority in applications requiring light weight and high heat transfer characteristics.
{"title":"Study on pressure drop and heat transfer characteristics of sandwich structures with open-cell core","authors":"S. Takarazawa, K. Ushijima, M. Motosuke","doi":"10.1299/JSMECMD.2018.31.137","DOIUrl":"https://doi.org/10.1299/JSMECMD.2018.31.137","url":null,"abstract":"In this paper, heat transfer characteristics and the pressure drop response of sandwich structures containing open-cell core were studied by using numerical simulation. The effect of micro-architecture and cell size of the unit cell on these characteristics were investigated by changing relative density of the models. In this paper, three types of open-cell were analyzed. There is a trade-off relationship between the heat transfer characteristics and the pressure drop response. These factors are the direction of thermal paths, surface area size and internal flow state. Also, these factors can be controlled without changing the relative density when the cell size is changed and the aspect ratio is equal. In order to clarify the characteristics of the open-cell, the open-cell were compared with two types of closed-cell as representative of other cores in terms of two dimensionless numbers (Nusselt number and friction factor). As a result, it was confirmed that the open-cell has high superiority in applications requiring light weight and high heat transfer characteristics.","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"260 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124867320","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 : 1900-01-01DOI: 10.1299/transjsme.23-00098
K. Atsuumi, Atsushi Nishikawa
{"title":"導電性ナイロン繊維アクチュエータの全自動製造装置の開発と特性評価","authors":"K. Atsuumi, Atsushi Nishikawa","doi":"10.1299/transjsme.23-00098","DOIUrl":"https://doi.org/10.1299/transjsme.23-00098","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124967421","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 : 1900-01-01DOI: 10.1299/transjsme.22-00203
Mitsuhiro Goto, H. Tanabe, K. Ogawa, Ryosuke Ueda, K. Fukuda, Y. Izumi
{"title":"Studies on Deformation Behaviour of Thin Carbon Steel Plate by Laser Quenching and its Mechanisms","authors":"Mitsuhiro Goto, H. Tanabe, K. Ogawa, Ryosuke Ueda, K. Fukuda, Y. Izumi","doi":"10.1299/transjsme.22-00203","DOIUrl":"https://doi.org/10.1299/transjsme.22-00203","url":null,"abstract":"","PeriodicalId":341040,"journal":{"name":"Transactions of the JSME (in Japanese)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125147022","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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