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List of Presentations
Yasuya Nakayama Last modified date：2024.04.18

Associate Professor / Production system engineering / Department of Chemical Engineering / Faculty of Engineering


Presentations
1. Study on Melt Mixing of Polymeric materials in a Counter-Rotating Continuous Mixer Using Partially Filled Flow Simulation.
2. Finite system size correction in microrheological analysis under periodic boundary conditions.
3. Finite system size correction in microrheological analysis under periodic boundary conditions.
4. Toshihisa Kajiwara, Kazuhide Sekiyama, Yasuya Nakayama, Study of Residence Time and Filling Ratio inside Counter-Rotating Continuous Mixer Using Partially Filled Flow Simulation, Asia Australia Regional Meeting of Polymer Processing Society, PPS-2023, Hotel Uday Samudra, Kovalam, Kerala, India, 2023/11/29-12/2, 2023.11.
5. Finite system size correction in microrheological analysis under periodic boundary conditions.
6. Finite system size correction in microrheological analysis under periodic boundary conditions.
7. Yasuya Nakayama, Yuki Matsuoka, Toshihisa Kajiwara, Finite system size correction in microrheological analysis under periodic boundary conditions: a direct numerical simulation approach, The 7th International Soft Matter Conference, ISMC2023, Osaka International Convention Center,2023/9/4-8, 2023.09.
8. Yasuya Nakayama, Yuki Matsuoka, Toshihisa Kajiwara, Finite system size correction in microrheological analysis under periodic boundary conditions : a direct numerical simulation approach, XIXth International Congress on Rheology (ICR2023), Hotel Athenaeum Intercontinental, Athens, Greece, 2023/7/29-8/4, 2023.08.
9. Yasuya Nakayama, Taishi Fujihara, Koichi Kimura, Toshihisa Kajiwara, Improved melt-mixing in single-screw extrusion by geometry modification based on mixing mechanism, 13th SPSJ International Polymer Conference (IPC2023), Sapporo Convention Center, 2023/07/18-21, 2023.07.
10. Toshihisa Kajiwara, Kazuhide Sekiyama, Yasuya Nakayama, Study of Residence Time and Filling Ratio inside Counter-Rotating Continuous Mixer Using Partially Filled Flow Simulation, 13th SPSJ International Polymer Conference (IPC2023), Sapporo Convention Center, 2023/07/18-21, 2023.07.
11. Yasuya Nakayama, Yuki Matsuoka, Toshihisa Kajiwara, Finite system size correction in microrheological analysis under periodic boundary conditions : a direct numerical simulation approach, 8th Pacific Rim Conference on Rheology (PRCR2023), Point Grey campus of the University of British Columbia (UBC), 2023/5/15-19, 2023.05.
12. Taishi Fujihara, Yasuya Nakayama, Koichi Kimura, Toshihisa Kajiwara, Geometry effects on melt-mixing by Dulmage-type screws in single-screw extrusion, the 37 International Conference of the Polymer Processing Society (PPS-37), Fukuoka International Conference Center, 2022/4/11-15, 2022.04.
13. Yuki Matsuoka, Yasuya Nakayama, Koichi Kimura, Toshihisa Kajiwara, Direct numerical simulation of shear-thickening phenomena in a particle suspension in a viscoelastic fluid, the 37 International Conference of the Polymer Processing Society (PPS-37), Fukuoka International Conference Center, 2022/4/11-15, 2022.04.
14. Yasuya Nakayama, Koichi Kimura, Toshihisa Kajiwara, [keynote] Non-monotonic dependence of disctributive mixing of a Dulmage screw in single screw extrusion on the operating conditions, the 37 International Conference of the Polymer Processing Society (PPS-37), Fukuoka International Conference Center, 2022/4/11-15, 2022.04, [URL].
15. [Divisional Award] Prediction of shear thickening of particle suspensions in viscoelastic fluids by direct numerical simulation.
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17. Yasuya Nakayama, Yuki Matsuoka, Toshihisa Kajiwara, Elastic shear-thickening in dilute suspensions in viscoelastic fluids, International Workshop on Machine Learning for Soft Matter, 9-10/Feb/2021, 2021.02, [URL].
18. Yasuya Nakayama, Yuki Matsuoka, Toshihisa Kajiwara, Rheological evaluation of particle suspensions in viscoelastic fluids using the smoothed profile method, XVIIIth International Congress on Rheology (ICR2020), Rio de Janeiro, 12-17/Dec/2020, 2020.12, [URL].
19. Yasuya Nakayama, Yuki Matsuoka, Toshihisa Kajiwara, Time-domain microrheological evaluation of colloidal suspensions, XVIIIth International Congress on Rheology (ICR2020), Rio de Janeiro, 12-17/Dec/2020, 2020.12, [URL].
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27. Yuki Matsuoka, Yasuya Nakayama, Toshihisa Kajiwara, Direct numerical simulation of shear-thickening in dilute suspensions in a viscoelastic fluid, 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019), Sapporo Convention Center, 23-27/Sep/2019, 2019.09, [URL].
28. Yasuya Nakayama, Toshihisa Kajiwara, Flow classification and its application to fluid processing, 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019), Sapporo Convention Center, 23-27/Sep/2019, 2019.09, [URL].
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30. Yuki Matsuoka, Yasuya Nakayama, Toshihisa Kajiwara, Shear-thickening in a dilute suspension of spheres in a weakly viscoelastic fluid: an approach with a direct numerical simulation, Annual European Rheology Conference 2019 (AERC 2019), Portoroz/Slovenia, 8-11/Apr/2019, 2019.04, [URL].
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32. Yasuya Nakayama, Flow field classification and melt-mixing characteristics in extrusion, IPOMY The First International Conference of Polymeric and Organic Materials in Yamagata University, Denkoku-no-mori, Yonezawa, Yamagata, 24-26/Jan/2019, 2019.01, [URL].
33. Yasuya Nakayama, Hiroki Takemitsu, Satoshi Esaki, Toshihisa Kajiwara, Koichi Kimura, Takeuchi Takahide, Tomiyama Hideki, MIXING CHARACTERISTICS OF DIFFERENT KNEADING ELEMENTS IN A TWIN-SCREW EXTRUDER: A NUMERICAL STUDY AND AN EXPERIMENTAL VERIFICATION, Asian Workshop on Polymer Processing 2018 (AWPP2018),Chiang Mai, Thailand, 10-13/Dec/2018, 2018.12, [URL].
34. Koichi Kimura, Yasuya Nakayama, Toshihisa Kajiwara, EVALUATION OF DISTRIBUTIVE MIXING PERFORMANCE OF FIN TYPE SCREW FOR A SINGLE SCREW EXTRUDER, Asian Workshop on Polymer Processing 2018 (AWPP2018),Chiang Mai, Thailand, 10-13/Dec/2018, 2018.12, [URL].
35. Yuki Matsuoka, Yasuya Nakayama, Toshihisa Kajiwara, Shear-thickening in a dilute suspension of spheres in a weakly viscoelastic fluid: an approach with a direct numerical simulation, Soft Matter Physics: from the perspective of the essential heterogeneity, Nishijin Plaza, 10-12/Dec/2018, 2018.12, [URL].
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40. Yasuya Nakayama, Hiroki Takemitsu, Toshihisa Kajiwara, Koichi Kimura, Takeuchi Takahide, Tomiyama Hideki, Impacts of Pitched Tips of Kneading Element in Twin-Screw Extrusion:
Tuning Flow Pattern and Mixing Performance, Conference on Modelling Fluid Flow” (CMFF’18), Danubius Hotel Gellért, Budapest/Hungary, 4-7/Sep/2018, 2018.09, [URL].
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43. Kei Ito, Yasuya Nakayama, Toshihisa Kajiwara, Nonlinear Electrophoresis in the Salt-free Limit, The 7th Pacific Rim Conference on Rheology (PRCR 2018), Phoenix Jeju, Jeju, Korea, 2018/6/10-15, 2018.06, [URL].
44. Yasuya Nakayama, Hiroki Takemitsu, Toshihisa Kajiwara, Koichi Kimura, Takahide Takeuchi, Hideki Tomiyama, Characterization of melt-mixing in extrusion: finite-time Lyapunov exponent and flow pattern structure, 34th International Conference of the Polymer Processing Society (PPS-34), Taipei, Taiwan, 2018/5/21-25, 2018.05, [URL].
45. Koichi Kimura, Hideki Tomiyama, Yasuya Nakayama, Toshihisa Kajiwara, Evaluation of Distributive Mixing Performance of Fin Type Screw for Single-Screw Extruder, 34th International Conference of the Polymer Processing Society (PPS-34), Taipei, Taiwan, 2018/5/21-25, 2018.05, [URL].
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48. Yasuya Nakayama, Satoshi Esaki, Kenta Nakao, Toshihisa Kajiwara, Takahide Takeuchi, Koichi Kimura, Hideki Tomiyama, Mixing characteristics of different kneading elements: An experimental study, The 33rd International Conference of the Polymer Processing Society (PPS-33), Cancun, Mexico, 2017/12/10-14, 2017.12, [URL].
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51. Yasuya Nakayama, Hiroki Takemitsu, Toshihisa Kajiwara, Koichi Kimura, Takahide Takeuchi, Hideki Tomiyama, Impacts of Pitched Tips of Kneading Element in Twin-Screw Extrusion: Tuning Flow Pattern and Mixing Performance, 16th Asian Workshop on Polymer Processing 2017 (AWPP2017) , Hanoi University of Science and Technology, Hanoi, Vietnam, 2017/10/16-19, 2017.10, [URL].
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53. Yasuya Nakayama, Electric double layer at high salt concentration：effects of ion finite size and dielectric decrement, Asia Pacific Society for Materials Research 2017 Annual Meeting, Sapporo Convention Center, Japan, 27-30/Jul/2017, 2017.07, [URL].
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59. Toshihisa Kajiwara, Yasuya Nakayama, Hiroki Takemitsu, Satoshi Esaki, Takahide Takeuchi, Koichi Kimura, Hideki Tomiyama, Melt-Mixing by Pitched-Tip Kneading Disks in a Twin-Screw Extruder
- Experimental Verification -, The XVIIth International Congress on Rheology (ICR2016), Kyoto, Japan, 2016/8/8-13, 2016.08, [URL].
60. Yasuya Nakayama, Tatsunori Masaki, Toshihisa Kajiwara, Strain Mode of General Flow: Characterization and Implications for Flow Pattern Structures, The XVIIth International Congress on Rheology (ICR2016), Kyoto, Japan, 2016/8/8-13, 2016.08, [URL].
61. Yasuya Nakayama, David Andelman, Differential capacitance of the electric double layer: The interplay between ion nite size and dielectric decrement, The XVIIth International Congress on Rheology (ICR2016), Kyoto, Japan, 2016/8/8-13, 2016.08, [URL].
62. Toshihisa Kajiwara, Yasuya Nakayama, Hiroki Takemitsu, Satoshi Esaki, Takahide Takeuchi, Koichi Kimura, Hideki Tomiyama, Melt-Mixing by Pitched-Tip Kneading Disks in a Twin-Screw Extruder
- Experimental Verification -, The 32nd International Conference of the Polymer Processing Society (PPS-32), Lyon, France, 2016/7/25-29, 2016.07, [URL].
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64. Toshihisa Kajiwara, Yasuya Nakayama, Hiroki Takemitsu, Satoshi Esaki, Takahide Takeuchi, Koichi Kimura, Hideki Tomiyama, MELT-MIXING BY PITCHED-TIP KNEADING DISKS IN A TWIN-SCREW EXTRUDER, Asian Workshop on Polymer Processing (AWPP)2015, Singapore, 2015/12/1-4, 2015.12, [URL].
65. 名嘉山 祥也, David Andelman, 電解質水溶液の誘電率：塩濃度への非線型依存性, 第5回ソフトマター研究会, 東北大学理学研究科（青葉山キャンパス）, 2015/12/17-19, 2015.12, [URL].
66. Yasuya Nakayama, David Andelman, Differential capacitance of the electric double layer: The interplay between ion finite size and dielectric decrement, 6th Asian Conference on Colloid and Interface Science (ACCIS 2015 Japan) , Arkas Sasebo, Sasebo, Japan, 24-27/Nov/2015, 2015.11, [URL].
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70. 名嘉山 祥也, David Andelman, 電解質水溶液の誘電率：塩濃度への非線型依存性, 日本物理学会　2015年秋季大会, 関西大学 千里山キャンパス, 2015/9/16-19, 2015.09, [URL].
71. 名嘉山 祥也, David Andelman, 電解質水溶液の誘電率：塩濃度への非線型依存性, 第66回コロイドおよび界面化学討論会, 鹿児島大学郡元キャンパス, 2015/9/10-12, 2015.09, [URL].
72. Kunihiro Hirata, Hiroshi Ishida, Motohiro Hiragori, Yasuya Nakayama, Toshihisa Kajiwara, Prediction of fiber dispersion for glass fiber reinforced plastics in a twin-screw extruder using flow simulation, Conference on Modelling Fluid Flow (CMFF’15), Danubius Hotel Gellért, Budapest/Hungary, 1-4/Sep/2015, 2015.09, [URL].
73. Yasuya Nakayama, Tatsunori Masaki, Toshihisa Kajiwara, Strain mode of general flow: characterization and implication to mixing, 31st International Conference of the POLYMER PROCESSING SOCIETY (PPS-31), Jeju Island, Korea, 2015/6/7-11, 2015.06, [URL].
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77. Yasuya Nakayama, Differential capacitance of the electric double layer: the interplay between ion polarizability and finite size, The 2nd SKY Joint Symposium, 2014.11.
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80. 名嘉山　祥也, David Andelman, 電気二重層の微分容量：イオンの分極と排除体積の効果, 第65回コロイドおよび界面化学討論会, 東京理科大学神楽坂校舎, 2014/9/3-5, 2014.09, [URL].
81. 名嘉山　祥也, David Andelman, 電気二重層の微分容量：イオンの分極と排除体積の効果, 日本物理学会　2014年秋季大会, 中部大学（春日井キャンパス）, 2014/9/7-10, 2014.09, [URL].
82. Yasuya Nakayama, David Andelman, Effect of Ion Polarizability on the Electric Double Layer Interaction at High Surface Charge Density, 6th Pacific Rim Conference on Rheology, The University of Melbourne, VIC, Australia, 2014/7/20-25, 2014.07, [URL].
83. Toshihisa Kajiwara, Hirata Kunihiro, Ishida Hiroshi, Hiragohri Motohito, Yasuya Nakayama, Numerical Study on Mixing Performance of Glass Fiber Dispersion in a Twin-Screw Extruder with Backward-Mixing Elements, 30th International Conference of the Polymer Processing Society (PPS-30), Cleveland, Ohio, USA, 2014/6/8-12, 2014.06, [URL].
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94. Yasuya Nakayama, Toshihisa Kajiwara, Dynamic shear response of a polymer-polymer interface, Polymer Processing Society 29th Annual Meeting July 15-19, 2013, Nuremberg, Germany, 2013.07, [URL].
95. Yasuya Nakayama, Toshihisa Kajiwara, Quantifying hierarchical mixture quality in polymer composite materials: structure and inhomogeneity in multiple scales, Polymer Processing Society 29th Annual Meeting July 15-19, 2013, Nuremberg, Germany, 2013.07, [URL].
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107. Yasuya NAKAYAMA, Kang KIM and Ryoichi YAMAMOTO, Direct Simulation for Transport Phenomena of Colloidal Dispersions: Smoothed Profile Method, Asian Workshop on Polymer Processing 2012 (AWPP2012), August 28-31, 2012, Kyoto Institute of Technology, Kyoto, Japan, 2012.08, [URL].
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110. Yasuya NAKAYAMA, Kang KIM and Ryoichi YAMAMOTO, Direct Simulation for Transport Phenomena of Colloidal Dispersions: Smoothed Profile Method, The XVIth International Congress on Rheology, August 5-10, 2012, Lisbon, Portugal, 2012.08, [URL].
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132. Yasuya Nakayama, Toshihisa Kajiwara, Quantifying mixing: a measure of inhomogeneity in multiple scales, Polymer Processing Society 27th Annual Meeting May 10-14, 2011, Marrakech, Morocco, 2011.05, [URL], .
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136. Yasuya NAKAYAMA and Toshihisa KAJIWARA, Quantifying mixing: a measure of inhomogeneity in multiple scales, IWPI-2010 (International Workshop on Process Intensification in Fluid and Particle Engineering), Kyushu University INAMORI International Hall, Fukuoka Japan, 2010/12/2-3, 2010.12, [URL].
137. Toshihisa Kajiwara, Yasuya Nakayama, Eiji Takeda, Takashi Shigeishi and Hideki Tomiyama, Finite Element Analysis of Melt-Mixing in Twin Screw Extruders with Special Geometries, ACOM(3rd Asian Conference on Mixing), Jeju, Korea, 2010/10/19-22, 2010.10, [URL].
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140. Nakayama Yasuya, Takeda Eiji, Kajiwara Toshihisa, Shigeishi Takashi, Tomiyama Hideki, Melt-Mixing by Pitched-Tip Kneading Disks in a Twin-Screw Extruder, 5th Pacific Rim Conference on Rheology (PRCR-5) , Hokkaido University, Sapporo, Hokkaido(Japan), 2010/8/1-6, 2010.08, [URL].
141. Nakayama Yasuya, Takeda Eiji, Kajiwara Toshihisa, Shigeishi Takashi, Tomiyama Hideki, Melt-Mixing by Pitched-Tip Kneading Disks in a Twin-Screw Extruder, PPS-26 （The polymer processing society 26th annual meeting） , Banff Centre in Banff (Canada), 2010/7/4-8, 2010.07, [URL].
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