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Journal of the Japanese Society for Experimental Mechanics最新文献

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Study on the Concentration Measurement in a Liquid Jet by the Optical Fiber LIF Method 光纤LIF法测量液体射流浓度的研究
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S30
Toshiki Takeichi, Y. Sakai, O. Terashima, K. Nagata, Yasumasa Ito
{"title":"Study on the Concentration Measurement in a Liquid Jet by the Optical Fiber LIF Method","authors":"Toshiki Takeichi, Y. Sakai, O. Terashima, K. Nagata, Yasumasa Ito","doi":"10.11395/JJSEM.14.S30","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S30","url":null,"abstract":"In this study, new techniques for measuring the concentration of diffusing matter in a liquid axisymmetric turbulent jet is developed based on the laser-induced fluorescence (LIF) method using optical fibers with GRIN lens. Firstly, the concentration measurement of the diffusing matter in a liquid jet by means of two optical fibers is performed. A laser light whose beam spot diameter is 60 μm is emitted on the diffusing matter by means of an optical fiber with condenser lens and the fluorescence is measured by the other optical fiber. Secondly, the concentration measurement in the same liquid jet by means of the same optical fiber which emits the laser beam and collects the fluorescence is performed. Preliminary calibration tests show that the output voltage of the photomultiplier linearly increases with the concentration of the diffusing matter as theoretically predicted in both two measurement techniques. In addition, the mean concentration and fluctuating concentration field in a liquid jet can be measured in both two measurement techniques, whereas the measurement accuracy is better in the measurement with using only one optical fiber from the results of the power spectra of the concentration fluctuation.","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129757334","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}
引用次数: 1
Elastic Moduli of Electrodeposited Metal Thin Films Measured by Digital Image Correlation Method 用数字图像相关法测量电沉积金属薄膜弹性模量
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S141
Y. Ono, Satoshi Shirahase
{"title":"Elastic Moduli of Electrodeposited Metal Thin Films Measured by Digital Image Correlation Method","authors":"Y. Ono, Satoshi Shirahase","doi":"10.11395/JJSEM.14.S141","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S141","url":null,"abstract":"Young’s modulus and Poisson’s ratio of electrodeposited metal thin films were calculated by applying the digital image correlation technique. The microstructure of copper thin films was also analyzed by using the electron backscatter diffraction method. First, a program that can calculate sub-pixel displacement was created and a precision stage was used to check its accuracy. Next, tension tests were performed on two metal plates and the program was used to calculate the elastic moduli of the plate materials. The validity of the results was confirmed by comparing the results with those obtained with an electrical strain gage. Finally, the elastic moduli of electrodeposited copper and nickel films were calculated in the same manner. It was clarified that the Young’s modulus of the metal thin films was quite small compared with that of the bulk materials. This result is likely due to the difference in microstructure between bulk materials and electrodeposited thin films.","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"316 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132208014","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}
引用次数: 2
Fluid Flow and Heat Transfer of Natural Convection around Heated Horizontal Square Cylinder in Water 水中受热水平方柱体周围自然对流的流体流动与传热
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S1
F. Kimura, Masashi Kurotani, K. Kitamura
{"title":"Fluid Flow and Heat Transfer of Natural Convection around Heated Horizontal Square Cylinder in Water","authors":"F. Kimura, Masashi Kurotani, K. Kitamura","doi":"10.11395/JJSEM.14.S1","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S1","url":null,"abstract":"","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133474151","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}
引用次数: 0
Study on Separation Characteristics of Fallen Leaves from Water Flow at Intake of Micro Hydroelectric Generator 微型水轮发电机进水口落叶与水流分离特性研究
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S25
H. Liang, Masatoshi Yoshida, K. Amagai
{"title":"Study on Separation Characteristics of Fallen Leaves from Water Flow at Intake of Micro Hydroelectric Generator","authors":"H. Liang, Masatoshi Yoshida, K. Amagai","doi":"10.11395/JJSEM.14.S25","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S25","url":null,"abstract":"","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128680655","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}
引用次数: 0
Deflection of Longitudinal Ultrasonic Waves by Stress Gradient 应力梯度对纵向超声波偏转的影响
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S134
M. Suetsugu, Noriki Inui, K. Sekino
{"title":"Deflection of Longitudinal Ultrasonic Waves by Stress Gradient","authors":"M. Suetsugu, Noriki Inui, K. Sekino","doi":"10.11395/JJSEM.14.S134","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S134","url":null,"abstract":"","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134174535","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}
引用次数: 0
Identification of Elasto-plastic Material Properties with Full-field Surface Displacement Measurements 基于现场表面位移测量的弹塑性材料特性识别
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S147
K. Jinno, S. Arikawa, S. Yoneyama, Y. Watanabe, T. Asai, Kunio Shiokawa, M. Yamashita
{"title":"Identification of Elasto-plastic Material Properties with Full-field Surface Displacement Measurements","authors":"K. Jinno, S. Arikawa, S. Yoneyama, Y. Watanabe, T. Asai, Kunio Shiokawa, M. Yamashita","doi":"10.11395/JJSEM.14.S147","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S147","url":null,"abstract":"","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123812851","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}
引用次数: 2
Measurement of Reduced Elastic Modulus of Organic Semiconductor Materials for Flexible Organic Light Emitting Diode 柔性有机发光二极管用有机半导体材料降低弹性模量的测量
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S194
Toshiro Kobayashi, H. Ikeda, Y. Utsumi, H. Kanematsu, T. Masuda, Motomichi Yamamoto
{"title":"Measurement of Reduced Elastic Modulus of Organic Semiconductor Materials for Flexible Organic Light Emitting Diode","authors":"Toshiro Kobayashi, H. Ikeda, Y. Utsumi, H. Kanematsu, T. Masuda, Motomichi Yamamoto","doi":"10.11395/JJSEM.14.S194","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S194","url":null,"abstract":"","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122339878","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}
引用次数: 2
Quasi-static and Impact Compressive Properties of Foamed Polyethylene Film with Closed Cell 闭孔泡沫聚乙烯膜的准静态和冲击压缩性能
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S153
H. Yamada, K. Tateyama, Ryo Okui, N. Ogasawara, K. Ogawa
{"title":"Quasi-static and Impact Compressive Properties of Foamed Polyethylene Film with Closed Cell","authors":"H. Yamada, K. Tateyama, Ryo Okui, N. Ogasawara, K. Ogawa","doi":"10.11395/JJSEM.14.S153","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S153","url":null,"abstract":"The compressive properties of foamed polyethylene (PE) film with a closed cell for electronic devices have been investigated. A commercial closed cell foamed PE film was used. Quasi-static testing was carried out at strain rates of 10 to 10 s. The strain rate of the impact test was approximately 10 s using split Hopkinson pressure bar method. Within the set of experiments, the compressive stress increased with the strain rate. In particular, the flow stress increased substantially with the increasing strain rate in the impact deformation.","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130387543","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}
引用次数: 2
Biomechanical Effects of Push Handle Heights on Upper Limbs during Attendant Propelled Wheelchair Ramp Transportation 辅助轮椅坡道运输中推柄高度对上肢的生物力学影响
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S291
Miyako Mizutani, Kensaku Kawakami, Mieko Sadakata, Koichi Kobayashi, M. Sakamoto
{"title":"Biomechanical Effects of Push Handle Heights on Upper Limbs during Attendant Propelled Wheelchair Ramp Transportation","authors":"Miyako Mizutani, Kensaku Kawakami, Mieko Sadakata, Koichi Kobayashi, M. Sakamoto","doi":"10.11395/JJSEM.14.S291","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S291","url":null,"abstract":"","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127100092","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}
引用次数: 0
Measurement of Loading Induced Acoustic Emissions at Stem of Miniature Tomato Plants 小型番茄植株茎部加载诱导声发射的测量
Journal of the Japanese Society for Experimental Mechanics Pub Date : 2014-07-01 DOI: 10.11395/JJSEM.14.S116
K. Kageyama, K. Tajima
{"title":"Measurement of Loading Induced Acoustic Emissions at Stem of Miniature Tomato Plants","authors":"K. Kageyama, K. Tajima","doi":"10.11395/JJSEM.14.S116","DOIUrl":"https://doi.org/10.11395/JJSEM.14.S116","url":null,"abstract":"The loading induced cavitation near the AE sensor attached on miniature tomato was tried to improve the detectability of AE by the compression loading and unloading of the stem via the AE sensor. The AE occurrence rate was rapidly increased after the loading and unloading test. The waveforms of the detected AE showed the various frequency patterns like those generated by the spontaneous cavitation events. These results suggested that the AEs were induced by the loading and unloading test. It is expected that such a technique contribute to improve accuracy of estimation of the embolism risk of tomato plants.","PeriodicalId":282024,"journal":{"name":"Journal of the Japanese Society for Experimental Mechanics","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129427596","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}
引用次数: 1
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