長谷川 富市 Hasegawa Tomiichi

ID:1000080016592

新潟工業短期大学 (2016年 CiNii収録論文より)

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Articles:  1-20 of 159

  • 1619 Washing Effect of Ultra-Fine Bubble Mixtures Applied with External Stimuli  [in Japanese]

    USHIDA Akiomi , KOYAMA Takahiro , NAKAMOTO Yoshinori , HASEGAWA Tomiichi , NARUMI Takatsune

    Because fresh vegetables are very important food for the people and their lifestyles are changed, its consumption has been gradually increasing due to the health consciousness. Moreover, not only the …

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2016.53(0), _1619-1_-_1619-5_, 2016

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  • 1208 Pseudo-Laminarization of Drag-Reducing Surfactant Solutions in Capillary Flows  [in Japanese]

    USHIDA Akiomi , ICHIJO Akira , HASEGAWA Tomiichi , NARUMI Takatsune , KAYABA Ryuichi

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2014.51(0), _1208-1_-_1208-2_, 2014

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  • 1209 Study on Anomalous Behavior in Pressure Drops of Wormlike Micelle Surfactant Solutions Passing Through Micro-Apertures  [in Japanese]

    MURAO Shotaro , USHIDA Akiomi , NARUMI Takatume , KAYABA Ryuichi , HASEGAWA Tomiichi

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2014.51(0), _1209-1_-_1209-2_, 2014

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  • S0520301 Flow Properties of Several types of Surfactant Solutions in High Shear Rates  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , NARUMI Takatsune , KAYABA Ryuichi

    Pressure drops were measured in this study because flow properties of water and several types of surfactant solutions in capillary flows were investigated. Generally, the smaller capillary diameter wa …

    The Proceedings of Mechanical Engineering Congress, Japan 2014(0), _S0520301--_S0520301-, 2014

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  • 0418 Flow Properties of Several Types of Surfactant Solutions in Capillary Flows  [in Japanese]

    USHIDA Akiomi , ICHIJO Akira , HASEGAWA Tomiichi , NARUMI Takatsune

    Pressure drop were measured because flow properties of water and surfactant solutions were investigated in capillary flows. Good agreement between water results and predictions of laminar flows and Bl …

    The Proceedings of the Fluids engineering conference 2014(0), _0418-1_-_0418-3_, 2014

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  • 0318 Drag Reduction Effect of Surfactant Solutions in Slit Flows  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , NARUMI Takatsune

    Pressure drops of water and surfactant solutions and their drag reduction effects were investigated in slit flows. For water, the resultant pressure drops agreed with the numerical predictions. For aq …

    The Proceedings of the Fluids engineering conference 2013(0), _0318-01_-_0318-02_, 2013

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  • S051031 Flow Properties of Several Types of Surfactant Solutions Passing Through Micro-Apertures  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , NARUMI Takatsune

    Flow properties of several types of surfactant solutions passing through various sizes of small apertures were investigated in this study. Different fl w properties were found for the various surfacta …

    The Proceedings of Mechanical Engineering Congress, Japan 2013(0), _S051031-1-_S051031-5, 2013

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  • S051014 Flow property of polymer solution in a slot channel with abrupt contraction  [in Japanese]

    AOIKE Takayuki , NARUMI Takatsune , HASEGAWA Tomiichi , USHIDA Akiomi , KAYABA Ryuichi

    The flow properties and structure of polymer solutions through a slot channel with abrupt contraction were experimentally investigated. We have measured pressure drops and visualized the flows with vo …

    The Proceedings of Mechanical Engineering Congress, Japan 2013(0), _S051014-1-_S051014-4, 2013

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  • Rheological Properties for Microbubble/Dilute Polymer Mixtures Passing through Small Orifices  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , KAWAMI Masato , UCHIYAMA Hiroshige , NARUMI Takatsune

    マイクロバブルについては基礎研究から応用研究まで多くの報告がなされている.その中でもマイクロバブル混合による抵抗低減効果に注目した研究は,基礎的・応用的研究において非常に重要,かつ,興味深い結果が報告されている.しかし,その多くが水にマイクロバブルを混合させた場合であり,界面活性剤水溶液や高分子水溶液に代表される複雑流体にマイクロバブルを混合させた場合の流動特性やレオロジー特性に関する報告はほとん …

    KAGAKU KOGAKU RONBUNSHU 38(1), 32-38, 2012-03-20

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  • J053051 Anomoulous Phenomena in the Flow of Water through Micro-Orifices  [in Japanese]

    HASEGAWA Tomiichi , NARUMI Takatsune , USHIDA Akiomi

    We experimentally examined flow behavior of water through micro-orifices whose diameters range from 10 micron meters to 100 micron meters. For the orifices less than 25 micron meters in diameter we fo …

    The Proceedings of Mechanical Engineering Congress, Japan 2012(0), _J053051-1-_J053051-5, 2012

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  • S054023 Flow Properties of Microbubble/Water Mixtures and Complex Fluids Passing through Porous Membranes  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , NARUMI Takatsune

    Flow properties of water, microbubble/water mixture, and complex fluids (anionic surfactant solution and dilute polymers solutions) were observed in the flows through porous membranes which had micron …

    The Proceedings of Mechanical Engineering Congress, Japan 2012(0), _S054023-1-_S054023-5, 2012

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  • 1110 Anomaly of Water Flowing through Micro-Orifices and the Influence of Static Electricity  [in Japanese]

    HASEGAWA Tomiichi , NARUMI Takatsune , USHIDA Akiomi

    We experimentally examined the flow behavior of water through micro-orifices of 20 micron meters.We found anomalous phenomena like a reduction in flow with the time elapsing from the inception of expe …

    The Proceedings of the Fluids engineering conference 2012(0), 427-428, 2012

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  • 0805 Drag Reduction Effect of Nanobubble Mixtures in Micro Flows  [in Japanese]

    USHIDA Akiomi , NARUMI Takatsune , HASEGAWA Tomiichi , NAKAJIMA Toshiyuki

    Much research on small bubbles and complex liquids and their drag reduction effect has been reported.Few studies have focused on nanobubbles.Nanobubble mixtures for water and glycerol were passed thro …

    The Proceedings of the Fluids engineering conference 2012(0), 309-310, 2012

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  • The Development and Implementation of the Efficient/Accurate Numerical Methods for Non-Newtonian Flows Inside a Slot Die  [in Japanese]

    TSUDA Takeaki , NAGASHIMA Masayuki , ANAZAWA Tomohiko , HASEGAWA Tomiichi

    金沢大学先端科学・社会共創推進機構In this study, the fast numerical computation method by using simplified momentum equations, which exactly clarified the flow state inside a slot die, was developed, in order to obtai …

    日本レオロジー学会誌 39(5), 189-195, 2011-12-22

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  • Effect of Mixed Nanobubble/Water Liquid Flows through Micro Apertures and Small Capillaries  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , TOGA Shinji , NARUMI Takatsune , NAKAJIMA Toshiyuki , UCHIYAMA Hiroshige

    抵抗低減効果の点において,多くの研究者がマイクロバブルの効果について報告している.しかしながら,粒径がナノサイズの気泡であるナノバブルについてはほとんど報告されていない.一般的に,抵抗低減剤として高分子添加や界面活性剤混合などが広く知られている.しかし,それらの混合液は環境負荷の点から使用範囲に制限を受けるのが現状である.そこで,本研究では,粒径80 nmのナノバブルを混合した水を種々の微小孔に通 …

    KAGAKU KOGAKU RONBUNSHU 37(5), 371-376, 2011-11-20

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  • Flow Properties of Several Types of Surfactant/Nanobubble Mixtures Passing Through Micro-Apertures  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , UCHIYAMA Hiroshige , NARUMI Takatsune , KAYABA Ryuichi

    Mixtures of surfactants and polymers are known to reduce drag, but their use is limited because of environmental concerns. In this study, surfactant/nanobubble mixtures were passed through several siz …

    Nihon Reoroji Gakkaishi 39(4), 165-172, 2011-09-15

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  • Measurement of Jet Thrusts and Pressure Drops and Estimation of Elongational Stress of Liquids in Slit Flows  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , UCHIYAMA Hiroshige , NARUMI Takatsune

    粘弾性流体や複雑流体の流動特性は,数多くの研究者によって明らかにされてきた.しかしながら,その多くが,ポアズイユ流れに代表されるせん断流動を対象としており伸張流動を対象とした研究報告は少ない.その中でも,オリフィス流れを対象とした伸張流動において,ニュートン流体とされている流体においても弾性が発現するとの報告がある.本研究では,伸張流動の一つであるスリット流れを用いて,水,希薄高分子水溶液,界面活 …

    KAGAKU KOGAKU RONBUNSHU 37(3), 203-210, 2011-07-20

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  • S056024 Flow Properties of Several Solutions in Micro-Channels with Abrupt Contraction  [in Japanese]

    UCHIYAMA Hiroshige , NARUMI Takatsune , HASEGAWA Tomiichi , USHIDA Akiomi , KAYABA Ryuichi

    We have investigated flow properties of polymer solutions in asymmetric micro slot channels with an abrupt contraction. Pressure drops in the micro slot die flows were measured and the width of the sl …

    The Proceedings of Mechanical Engineering Congress, Japan 2011(0), _S056024-1-_S056024-3, 2011

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  • S056023 Effect of Mixed Nano-Bubble/Surfactant Liquids for Drag Reduction into Orifice Flows  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , NARUMI Takatsune , KAYABA Ryuichi

    Much research on microbubbles and their drag reduction effect has been reported. However, few studies have focused on nanobubbles, which have sub-micrometer size. Mixtures of surfactants and polymers …

    The Proceedings of Mechanical Engineering Congress, Japan 2011(0), _S056023-1-_S056023-5, 2011

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  • 115 Study on drag reduction for mixtures of nano-bubbles  [in Japanese]

    USHIDA Akiomi , HASEGAWA Tomiichi , UCHIYAMA Hiroshige , NARUMI Takatsune

    The Proceedings of Conference of Hokuriku-Shinetsu Branch 2011.48(0), 27-28, 2011

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