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Aerodynamic performance of dragonfly wing model that starts impulsively: how vortex motion works 动力启动的蜻蜓机翼模型的气动性能:涡旋运动是如何工作的
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0013
Y. Fujita, M. Iima
{"title":"Aerodynamic performance of dragonfly wing model that starts impulsively: how vortex motion works","authors":"Y. Fujita, M. Iima","doi":"10.1299/jfst.2023jfst0013","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0013","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66307897","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
Bingham fluid simulations using a physically consistent particle method 宾厄姆流体模拟使用物理一致的粒子方法
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0035
Hideyo NEGISHI, Masahiro KONDO, Hiroaki AMAKAWA, Shingo OBARA, Ryoichi KUROSE
{"title":"Bingham fluid simulations using a physically consistent particle method","authors":"Hideyo NEGISHI, Masahiro KONDO, Hiroaki AMAKAWA, Shingo OBARA, Ryoichi KUROSE","doi":"10.1299/jfst.2023jfst0035","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0035","url":null,"abstract":"The Bingham fluid simulation model was constructed and validated using a physically consistent particle method, i.e., the Moving Particle Hydrodynamics (MPH) method. When a discrete particle system satisfies the fundamental laws of physics, the method is asserted as physically consistent. Since Bingham fluids sometimes show solid-like behaviors, linear and angular momentum conservation is especially important. These features are naturally satisfied in the MPH method. To model the Bingham feature, the viscosity of the fluid was varied to express the stress-strain rate relation. Since the solid-like part, where the stress does not exceed the yield stress, was modeled with very large viscosity, the implicit velocity calculation was introduced so as to avoid the restriction of the time step width with respect to the diffusion number. As a result, the present model could express the stopping and solid-like behaviors, which are characteristics of Bingham fluids. The proposed method was verified and validated, and its capability was demonstrated through calculations of the two-dimensional Poiseuille flow of a Bingham plastic fluid and the three-dimensional dam-break flow of a Bingham pseudoplastic fluid by comparing those computed results to theory and experiment.","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135611775","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
Flight dynamics in forward flights of cabbage white butterfly 白菜白蝴蝶前飞的飞行动力学
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0011
Kosuke Suzuki, Masaya Kouji, M. Yoshino
{"title":"Flight dynamics in forward flights of cabbage white butterfly","authors":"Kosuke Suzuki, Masaya Kouji, M. Yoshino","doi":"10.1299/jfst.2023jfst0011","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0011","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66307670","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
Double coaxial pipe jet control using DBD-PA and bluff body 双同轴管射流控制采用DBD-PA和钝体
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0006
M. Akimoto, Hiroyuki Nakagawa, M. Kimura
{"title":"Double coaxial pipe jet control using DBD-PA and bluff body","authors":"M. Akimoto, Hiroyuki Nakagawa, M. Kimura","doi":"10.1299/jfst.2023jfst0006","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0006","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66307775","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
Flow visualization observation of the interference vortex flow from a pair of square cylinders 对方圆柱干涉涡流动的可视化观察
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0014
Y. Yokoi
{"title":"Flow visualization observation of the interference vortex flow from a pair of square cylinders","authors":"Y. Yokoi","doi":"10.1299/jfst.2023jfst0014","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0014","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66308036","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
Wall heat flux estimation using the Cartesian cut-cell method 用笛卡尔切割单元法估算壁面热流密度
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0031
Y. Takeda, Naoki Baba, K. Ueno
{"title":"Wall heat flux estimation using the Cartesian cut-cell method","authors":"Y. Takeda, Naoki Baba, K. Ueno","doi":"10.1299/jfst.2023jfst0031","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0031","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66308607","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
Direct numerical simulation of the stability of zero-pressure-gradient boundary layer over corrugated wall using the immersed interface method 用浸入界面法直接数值模拟波纹壁面上零压力梯度边界层的稳定性
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0024
Ryohei Unno, A. Inasawa
{"title":"Direct numerical simulation of the stability of zero-pressure-gradient boundary layer over corrugated wall using the immersed interface method","authors":"Ryohei Unno, A. Inasawa","doi":"10.1299/jfst.2023jfst0024","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0024","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66308770","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
Experimental investigation of two-phase flow evolution in a high-speed submerged water jet with air ventilation 带空气通风的高速水下射流两相流演化实验研究
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0009
G. Peng, Yusuke Mukaiyama, R. Cao, Y. Oguma, H. Quan
{"title":"Experimental investigation of two-phase flow evolution in a high-speed submerged water jet with air ventilation","authors":"G. Peng, Yusuke Mukaiyama, R. Cao, Y. Oguma, H. Quan","doi":"10.1299/jfst.2023jfst0009","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0009","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66307574","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
Estimating the energy contribution of coherent structure in a cylindrical near-wake flow using proper orthogonal decomposition 用适当的正交分解估计圆柱近尾流中相干结构的能量贡献
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0004
Chia-Chun Chu, K. Chang
{"title":"Estimating the energy contribution of coherent structure in a cylindrical near-wake flow using proper orthogonal decomposition","authors":"Chia-Chun Chu, K. Chang","doi":"10.1299/jfst.2023jfst0004","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0004","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66307613","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
Jet flow control by synchronous drive of two DBD-PAs in nozzle and on bluff body 喷嘴和钝体上两个dbd - pa同步驱动的射流控制
IF 0.8
Journal of Fluid Science and Technology Pub Date : 2023-01-01 DOI: 10.1299/jfst.2023jfst0015
M. Akimoto, Hiroyuki Nakagawa, M. Kimura
{"title":"Jet flow control by synchronous drive of two DBD-PAs in nozzle and on bluff body","authors":"M. Akimoto, Hiroyuki Nakagawa, M. Kimura","doi":"10.1299/jfst.2023jfst0015","DOIUrl":"https://doi.org/10.1299/jfst.2023jfst0015","url":null,"abstract":"","PeriodicalId":44704,"journal":{"name":"Journal of Fluid Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66308091","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
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