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965 results on '"Nishio, A."'

1. The effect of pre-strain on micro-scale strain concentration of austenitic stainless steel (Investigation using digital image correlation method)

Author

Shota HASUNUMA, Shinji NISHIO, and Tomoyuki HAYASE

Subjects
in-situ obserbation, pre-strain, micro-scale strain disutribution, digital image correlation, surface shape, Mechanical engineering and machinery, TJ1-1570, Engineering machinery, tools, and implements, TA213-215
Abstract

It is difficult to predict the earthquake loading so the effect of pre-strain on fatigue strength was required to investigate. Especially, surface shape was changed when large plastic strain was applied. Strain concentration may be occurred by this surface changing. In this study, the effect of pre-strain on micro-scale strain concentration was investigated using in-situ observation. Tensile test for austenitic stainless steel, SUS316L, was performed under laser microscope to measure the height distribution. In addition, micro-scale strain distribution was measured using digital image correlation method. Pre-strains were applied range of 0-56 %. Loads were applied in the range of plastic strain after pre-strain. The results show that height of roughness due to pre-strain became large when the pre-strain was larger than 16 %. High strain area due to pre-strain did not depend on pre-strain because strain concentration was dominated by ease of plastic deformation of each grain. When plastic strain was applied after pre-strain, which was smaller than 8 %, strain distribution was not affected by pre-strain. This is because surface shape changing was small and strain concentration was dominated by ease of plastic deformation of each grain. On the other hands, local strain was increased when pre-strain was large. This is because surface shape changing became large and strain concentration due to surface changing was also occurred.

Published
2024
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2. Generational Cohort Analysis of Sports Spectators

Author

Tatsuru Nishio

Subjects
generational cohort theory, market segmentation, rugby world cup 2019, female fan, niwaka fan, Marketing. Distribution of products, HF5410-5417.5
Abstract

In the U.S., there has been growth of research methods utilizing the “Generational Cohort Theory,” which proposes that people who are brought up in the same era should share the same values. However, there are only a few case studies using this segmentation method in Japan. Therefore, the aim of this study is to identify the characteristics of each generation of fans at the 2019 Rugby World Cup in Japan and to determine the influence of the four generational categories of the “Generational Cohort Theory” (Generation Z, Generation Y (Millennials), Generation X, and Baby Boomers) on their motivations and satisfaction with the games, using regression analysis. This analysis reveals the sports spectating characteristics of each of these four groups, and provides information on female fans, who have been a difficult target to tackle in the rugby fan marketing field, and niwaka (bandwagon) fans, who demonstrate an enthusiastic but short-term interest in the sport that only lasted during the World Cup 2019 period. The results of this study define the characteristics of each generation of fans and allow consideration of marketing strategies for sports spectating.

Published
2022
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3. Boundary shape identification method for density based topology optimization

Author

Yoshinori NISHIO, Yang LIU, and Nagato ONO

Subjects
topology optimization, density method, shape smoothing, shape optimization, h1 gradient method, Mechanical engineering and machinery, TJ1-1570, Engineering machinery, tools, and implements, TA213-215
Abstract

Topology optimization is an advanced design method that is used to generate lightweight and high-performance structures by determining the material distribution. However, one of important drawbacks of the topology optimization, especially performed by the density approach, is that distinct and smooth boundaries cannot be directly obtained owing to checkerboard patterns, grayscales, and irregular shapes with thin parts (point-point connections) or disconnected parts (isolated islands). This drawback makes it difficult manufacture the results of topology optimization. In this paper, a novel methodology is proposed to automatically obtain optimal smooth boundaries of topology optimization results using an efficient boundary smoothing technique and the H1 gradient method, which is a node-based parameter-free optimization method. With this methodology, distinct and smooth optimal boundaries can be determined without any shape design parameterization. Moreover, re-mesh is not necessary in the shape updating process and the process is fully automatic. The validity and practical utility of this method is verified through three numerical examples with respect to a mean compliance minimization problem. They were calculated under the volume constraint, and a shape with a smooth outer shape was obtained with the average compliance reduced while satisfying the volume constraint. It was also confirmed that the shape obtained by using this methodology can be directly manufactured by a home 3D printer by converting it into an STL file.

Published
2022
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4. Pelvic Reconstruction in Abdominal Trachelectomy and Bilateral Salpingo-Oophorectomy for Occult Uterine Endometrial Cancer Found in Specimens Removed in the Context of Laparoscopic Sacrocolpopexy

Author

YOSHIYAMA, Yasutoshi, OBUCHI, Tomoka, OIDE, Shiho, OIWA, Ippei, NAGAE, Mika, NISHIO, Kojiro, TOKIWA, Shino, MATSUURA, Takuto, SAWADA, Yugo, HAYASHI, Tokumasa, OTSUKA, Isao, KITAGAWA, Yasuhide, and NOMURA, Masayoshi

Subjects
Endometrial cancer, LSC, 494.9, Pelvis reconstruction
Abstract

In the patients undergoing pelvic organ prolapse (POP) repairs, the incidence of occult uterine endometrial cancer is low and there is no established management procedure for preoperative cancer screening. We report a case of pelvic reconstruction in abdominal trachelectomy and bilateral salpingo-oophorectomy for occult uterine endometrial cancer found in specimens removed in the context of laparoscopic sacrocolpopexy (LSC). A 70-year-old woman presented to our center with cystocele. She underwent LSC and laparoscopic supracervical hysterectomy. She had no atypical genital bleeding; and, transvaginal ultrasound, pelvic plane magnetic resonance imaging and cervical cytology showed no evidence of malignancy. However, the pathological examination showed uterine endometrial cancer. She underwent trachelectomy, bilateral salpingo-oophorectomy and pelvic lymph node dissection. A part of mesh was removed with a cervical stamp, but the remaining mesh was sewn together. At 5 months after the operation, no recurrence of uterine endometrial cancer and POP was seen.

Published
2023

8. コミュニケーション場面における英語スピーキング不安の測定に向けた圧電センサの適応可能性

Author

Takarada, Jun, Nakagawa, Isamu, Nakamura, Shun, Kamata, Hiroki, Kawamura, Aoi, Ueki, Michiko, Wakita, Takafumi, Moriya, Jun, Yanagi, Miho, Kuroki, Kazuaki, Amano, Wataru, Muto, Takanori, Deguchi, Miki, Nishio, Rie, Takeshita, Koji, Takeuchi, Osamu, and Tajitsu, Yoshiro

Subjects
関西大学, 脈拍測定, Kansai University, 体動測定, 客観的心理測定, 英語スピーキング不安測定, 圧電センサ
Abstract

In this report, a flexible piezoelectric sensor sewn onto a cushion or glove was used to detect gestures, body motions, and heartbeats in a natural state during an English (as a foreign language) conversation. As the sensor has a thread-like structure made of poly-l-lactic acid fiber, it can be used as one of the braided threads of a braided cord or embroidered on fabric. The sensor can acquire biometric information from the cloth or fabric and be integrated into daily life without people being aware of it. In this study, signals obtained from the glove-type sensor increased in response to gestures and finger motions acquired by the camera. The percentage of signals obtained from the cushion-type sensor that could be recognized as heartbeat signals was increased by applying a filter to remove body motion. These improvements allow us to conduct easier and more natural sensing of psychological states., 本研究の一部は科研費基盤研究（C）（一般）21K00776及び2021年度関西大学教育研究高度化促進費で行われた．

Published
2023

9. A class practice and educational effect utilizing the knowledge constructive jigsaw method in social studies at elementary school

Author

Amago, Tomoya, Nishijima, Fumito, and Nishio, Koichiro

Abstract

本研究の目的は、小学校社会科の単元の中でKCJを用いた授業実践を行い、その教育的な効果について検証した。検証方法としては、「あなたは日本の工業を発展させるためにはどうすればよいと思いますか？」という問いに対する児童の答えをワークシートに記述させ、その回答内容が授業の前後でどのように変化したかテキストマイニングにより分析した。その結果、エキスパート活動・ジグソー活動の中で社会事象の特色や相互の関連、意味を多角的に捉え、考えることで児童の思考が変化し、日本の工業の発展を考える上で海外に日本の製品の良さや工業の技術の高さを「広める」ことや、労働環境を改善することが重要であるという認識が高まっていることがわかった。

Published
2023

12. Optimum design of shear panel damper under cyclic load

Author

Yoshinori NISHIO, Yang LIU, Nagato ONO, and Masatoshi SHIMODA

Subjects
shear panel damper, shape optimization, topology optimization, energy absorption, response surface method, cumulative equivalent plastic strain, Mechanical engineering and machinery, TJ1-1570, Engineering machinery, tools, and implements, TA213-215
Abstract

In this paper, a density-based topology optimization of a shear panel damper made of low yield steel has been carried out to improve the deformation ability. A minimization problem of maximum cumulative equivalent plastic strain (CEPSmax), which is an index of the deformation ability of the shear panel damper, is formulated subject to a constraint of volume. The optimization process consists of the following steps. Firstly, the finite element analysis with isotropic/kinematic hardening model is adopted to simulate the cyclic elasto-plastic behavior instead of experimental approach, and the numerical solutions are evaluated by comparing with previous experimental results. After that a density-based topology optimization is applied to obtain the optimal material layout, and investigate the relationship between the maximum CEPS and the total absorbing energy during the optimization process. With the topology optimization method, the objective function can be substantially decreased to improve the deformation capacity of the shear panel damper. The optimization results for each volume constraint value are also compared. Finally, based on the results of the topology optimization, a detailed shape is obtained by using the response surface methodology combined with the design of experiment technique.

Published
2020
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13. 瑞浪超深地層研究所の坑道埋め戻し及び原状回復業務に関する工事記録

Author

Takeuchi, Ryuji, Mikake, Shinichiro, Ikeda, Koki, Nishio, Kazuhisa, Kokubu, Yoko, and Hanamuro, Takahiro

Abstract

国立研究開発法人日本原子力研究開発機構東濃地科学センターでは、高レベル放射性廃棄物の地層処分技術に関する研究開発のうち、深地層の科学的研究(地層科学研究)の一環として、結晶質岩(花崗岩)を対象とした超深地層研究所計画を平成8年度から進めてきた。令和2年度以降においては、瑞浪超深地層研究所の坑道の埋め戻しや環境モニタリング調査等を含めたその後の進め方について定めた「令和2年度以降の超深地層研究所計画」に基づき瑞浪超深地層研究所の坑道埋め戻し等事業を行っている。本工事記録は、瑞浪超深地層研究所の坑道埋め戻し等事業における坑道埋め戻し及び原状回復業務に関する工事概要、工程、工事実績、安全及び主な出来事に関する記録等を取りまとめたものである。工事実績については、令和2年5月16日着工から令和4年1月16日竣工までの工事完了部分について主に記載した。, Japan Atomic Energy Agency (JAEA) at Tono Geoscience Center has been conducting the Mizunami Underground Research Laboratory (MIU) Project to enhance the reliability of geological disposal technologies through investigations of the deep geological environment in the crystalline rock (granite) at Mizunami City, Gifu Prefecture, central Japan since fiscal year 1996. Backfilling and restoration works in the MIU site have been being conducted based on "the MIU Project from FY2020 onwards" which is defined the way forward of backfilling and restoration works and environmental monitoring investigations in the MIU site, since fiscal year 2020. This report summarizes the outline, process, and achievements of the construction and the safety patrol of the backfilling and restoration works in the MIU site performed from May 16, 2020 to January 16, 2022.

Published
2023

17. Results of environmental impact investigations as part of environmental monitoring investigation in backfilling of shafts and tunnels of Mizunami Underground Research Laboratory (2020-2021)

Author

Takeuchi, Ryuji, Nishio, Kazuhisa, Hanamuro, Takahiro, and Kokubu, Yoko

Abstract

日本原子力研究開発機構東濃地科学センターは,同センターが進める瑞浪超深地層研究所の坑道埋め戻し等事業において,瑞浪超深地層研究所の坑道の埋め戻しに伴い瑞浪超深地層研究所用地周辺の環境への影響の有無を確認することを目的とした環境モニタリング調査を実施している。本報告書は,2020年度,2021年度の環境モニタリング調査のうち瑞浪超深地層研究所用地周辺の環境影響調査(研究所用地周辺の井戸における地下水位調査,研究所用地周辺河川流量測定,研究所からの排出水,湧水および狭間川の水質分析,研究所用地周辺騒音・振動調査,研究所用地周辺土壌調査)に関する記録を取りまとめたものである。, The Tono Geoscience Center of Japan Atomic Energy Agency (JAEA) has been conducting the environmental monitoring investigation to confirm the environmental impacts associated with the backfilling of shafts and tunnels at the Mizunami Underground Research Laboratory (MIU). This report summarizes the results of environmental impact investigations conducted as part of the environmental monitoring investigation around the MIU Site from FY2020 to FY2021, which include groundwater level measurement in wells, river flow rate measurement, water analysis of Hazama river, noise and vibration surveys, and soil survey.

Published
2023

20. Effect of Variations of English on Japanese Learners: Comparison of Social Dialects of British English

Author

NISHIO, Arisa and UCHIDA, Shodai

Subjects
Learners of English, RP, 英語, 英語学習者, リスニング, 一般化線形混合モデル, 実験, Experiment, English, 世界英語, Received Pronunciation, イギリス英語, Psycholinguistics, 英語教育, 日本人, Estuary, Cockney, 社会方言, 心理言語学, British English, 容認発音, 河口域発音, Listening, Japanese, Language Education, Generalized Liner Mixed Effect Models, コックニー, World Englishes
Abstract

英語は国際共通語（リンガ・フランカ）として現在では世界中で使われている。このように英語が世界中で使われるようになるにつれて、国や地域ごとのバリエーションも大きくなっている。その中でも、特にイギリス英語には地域方言に加えて、RP, Estuary, Cockneyなどの社会方言のバリエーションも存在する。歴史的にイギリス社会では、社会方言の差は身分や出生の差として扱われ、使用する社会方言によって職業選択にも影響を及ぼしていた。このことから、教育水準の高い人や、人前に出る職業の人などは意図的にRPを話そうとする人も多く、外国から見たイギリス英語のイメージもRPがその代表であった。一方で最近では、RPの話者は減少し、Estuaryを使い続ける人も増えてきている。日本人英語学習者が様々な国の英語を聞き取る際に、イギリス英語、アメリカ英語、オーストラリア英語の間で聞き取りやすさに差がないことは内田（2021）の研究などで明らかになっているが、本研究では、イギリス英語の社会方言の間でも聞き取りやすさに差がないかについてリスニング実験を行い検証した。その結果、RPとEstuaryでは聞き取りやすさに差がなく、Cockneyのみが聞き取りにくいという結果が明らかになった。

Published
2022

22. Proposal of the Regional Revitalization for Activating Kurosaki Shopping Cente

Author

NISHIO, Eriko and UMEDA, Katsutoshi

Subjects
Regional culture, City center revitalization, Social networking services (SNS)
Abstract

The purpose of this study was to propose an effective method for revitalizing city center. The target area of this study was the Kurosaki shopping district in Yahatanishi-ku, Kitakyushu, which prospered as a post town on the Nagasaki Highway connecting Buzen Kokura and Nagasaki, and developed as one of Japan’s four major industrial areas. As a research method, our study conducted a questionnaire survey in June 2019, with 166 pedestrians around the Kurosaki Shopping Street and Kurosaki Station areas. The survey results were aggregated into three groups according to generational age : those in their 10s and 20s, those in their 30s and 40s, and those in their 50s and above. The χ2 test was then performed. A residual analysis revealed that a significantly higher number of those in their 10s and 20s made use of social networking services (SNS) , however, they showed the lowest recognition of Kurosaki culture when, compared to other generations. A significantly lower number of those in the 50s and above group made use of SNS, while, on the other hand, they showed the highest recognition of Kurosaki culture. In conclusion, the top priority of regional revitalization is to raise awareness of the unique history and traditions in the region and to improve familiarity with the region.

Published
2022

27. Results of groundwater pressure and hydro-chemical monitoring as part of environmental monitoring investigation in backfilling of shafts and tunnels of Mizunami Underground Research Laboratory (2020-2021)

Author

Takeuchi, Ryuji, Murakami, Hiroaki, and Nishio, Kazuhisa

Abstract

国立研究開発法人日本原子力研究開発機構東濃地科学センターでは、瑞浪超深地層研究所の坑道の埋め戻しに伴う地下深部の地下水環境の回復状況を確認するため、環境モニタリング調査として瑞浪超深地層研究所および研究所周辺のボーリング孔等において地下水の水圧観測および水質観測を実施している。本報告書は、2020$\sim$2021年度に実施した地下水の水圧観測データおよび水質観測データを取りまとめたものである。, The Tono Geoscience Center of Japan Atomic Energy Agency (JAEA) has been conducting the groundwater pressure and hydro-chemical monitoring to confirm the restoration process of the surrounding geological environment associated with the backfilling of shafts and tunnels of Mizunami Underground Research Laboratory. This report summarizes the results of the groundwater pressure and hydro-chemical monitoring conducted from FY2020 to FY2021.

Published
2023

29. Ligament formation and droplet breakup on disk-type and cup-type rotary atomizers

Author

Seiichiro IZAWA, Takuro ISO, Yu NISHIO, and Yu FUKUNISHI

Subjects
rotary atomizer, liquid film flow, ligaments, droplets, grooves, incompressible sph, Mechanical engineering and machinery, TJ1-1570, Engineering machinery, tools, and implements, TA213-215
Abstract

Behaviors of liquid films scattering from a disk-type or cup-type rotary atomizer are studied using computations based on the three-dimensional Smoothed Particle Hydrodynamics (SPH) method. To reduce computational costs while maintaining a high spatial resolution, the computational domain is limited to a fan-shaped region near the edge of the atomizers using a periodic boundary condition in the circumferential direction. Steady inflow is considered as the inlet condition. In both disk- and cup-type cases, the liquid film leaving the atomizer edge becomes wavy in the circumferential direction and forms elongated ligaments, which break up into droplets. When the atomizer is equipped with grooves on its outer edge, the process of ligament formation and droplet break up is strongly affected by the number and shape of the grooves, particularly for the cup-type atomizer, in which the centrifugal force works more effectively. Two ligament formation patterns are observed: one ligament from each groove and a pairing of ligaments from two neighboring grooves. Droplets of uniform sizes are likely to be generated when the former pattern appears. The results suggest that droplets of uniform sizes can be obtained by choosing the appropriate shape and number of grooves.

Published
2018
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30. A study on wind speed correction method of lattice tower mast using CFD simulation

Author

Nobutoshi NISHIO, Shinichi INABA, Yuta YOSHIDA, Akihiro SATO, Tsuyoshi TAMUKAI, Tetsuro TAKAGI, and Makoto IIDA

Subjects
lattice tower mast, tower shadowing, cfd simulation, wind speed correction, measurement method, iec, Mechanical engineering and machinery, TJ1-1570, Engineering machinery, tools, and implements, TA213-215
Abstract

In case of analyzing the wind turbine design conditions and power productions accurately, the wind data at hub height is generally ideated for simulation. Recently, due to the increase in the size of the wind turbine, it is difficult to measure wind data of hub height by the cylindrical observation tower. Therefore, lattice tower mast is adopted and there are cases where high altitude measurement is performed instead of cylindrical tower mast. However, even in case of measuring wind data using lattice tower mast, there are some uncertainty of flow distortions by tower shadowing. This paper shows a study on wind speed correction method of lattice tower mast using CFD simulations (Fluent). As a result of performing the wind speed correction using the inflow wind speed ratio by CFD calculation, the uncertainty of corrected wind speed fell by less than 1 % which is recommended by IEC 61400-12-1.

Published
2018
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31. Key structure which initiate laminar-turbulent transition process in boundary layer with streaky structures

Author

Joe YOSHIKAWA, Yu NISHIO, Seiichiro IZAWA, and Yu FUKUNISHI

Subjects
laminar turbulent transition, boundary layer, key vortex, streaky structure, short duration jet, Mechanical engineering and machinery, TJ1-1570, Engineering machinery, tools, and implements, TA213-215
Abstract

Numerical simulations are carried out aimed at finding a key flow structure which leads to a laminar-turbulent transition of a boundary layer with streaky structures. In the preliminary computation, an array of cuboids is used to form streaky structures inside a boundary layer. Then, a disturbance is introduced into the boundary layer by ejecting a short-duration jet from a hole in the wall into a low-speed region in the streaky structures. Although the boundary layer returns to a laminar state when the jet velocity is set to 18% of the uniform flow velocity, it eventually turns into a turbulent state downstream in the 20% case. The differences are investigated in detail in terms of the vortical structures. As a result, only in the stronger jet case, a flat spanwise vortex is generated beside one leg of a hairpin vortex and it merges with the streamwise vortex nearby forming an inclined streamwise vortex. On the other hand, the flat spanwise vortex disappears without being connected to the streamwise vortex in the weaker jet case. The inclined streamwise vortex is stretched by the mean velocity gradient of the boundary layer growing into a strong vortex, and new vortex structures are generated around the inclined one, which leads to turbulence. Therefore, the results suggest that formation of the inclined vortex is the key to transition of the boundary layer.

Published
2017
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36. GRAINE計画：次期気球実験に向けて

Author

TAKAHASHI, Satoru, AOKI, Shigeki, AZUMA, Takashi, OKAMOTO, Kazuhiro, ODA, Miyuki, KATO, Takumi, KARASUNO, Ayaka, KURETSUBO, Kenji, SUZUKI, Atsumu, NAGAHARA, Shogo, NAKAMURA, Takafumi, NAKAMURA, Motoya, MATSUDA, Shota, MARUSHIMA, Toshitsugu, YAMASHITA, Mayu, YONENO, Shoma, KODAMA, Koichi, IYONO, Atsushi, NAKAZAWA, Kazuma, YOSHIMOTO, Masahiro, USUDA, Ikuya, KOMATANI, Ryosuke, KOMATSU, Masahiro, KOMIYAMA, Masahiro, SATO, Osamu, SHIIMZU, Kai, SUGANAMI, Amon, SUGIMURA, Kou, TORII, Mayu, NAGANAWA, Naotaka, NAKANO, Toshiyuki, NAKANO, Noboru, NAKAMURA, Yusuke, NAKAMURA, Mitsuhiro, NAKAMURA, Yuya, NISHIO, Akira, HAYASHI, Hirotaka, MINAMI, Hideyuki, MORISHITA, Misaki, MORISHIMA, Kunihiro, YAMAMOTO, Saya, and ROKUJO, Hiroki

Abstract

大気球シンポジウム 2022年度（2022年11月7-8日. ハイブリッド開催（JAXA相模原キャンパス& オンライン)), Balloon Symposium 2022 (November 7-8, 2022. Hybrid(in-person & online) Conference (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 42名, 資料番号: SA6000177018, レポート番号: isas22-sbs-018

Published
2022

37. GRAINE計画：次期気球実験に向けたエマルションコンバーターの準備状況

Author

USUDA, Ikuya, KOMATANI, Ryosuke, KOMATSU, Masahiro, KOMIYAMA, Masahiro, SATO, Osamu, SHIIMZU, Kai, SUGANAMI, Amon, SUGIMURA, Kou, TORII, Mayu, NAGANAWA, Naotaka, NAKANO, Toshiyuki, NAKANO, Noboru, NAKAMURA, Yusuke, NAKAMURA, Mitsuhiro, NAKAMURA, Yuya, NISHIO, Akira, HAYASHI, Hirotaka, MINAMI, Hideyuki, MORISHITA, Misaki, MORISHIMA, Kunihiro, YAMAMOTO, Saya, ROKUJO, Hiroki, KODAMA, Koichi, IYONO, Atsushi, NAKAZAWA, Kazuma, YOSHIMOTO, Masahiro, AOKI, Shigeki, AZUMA, Takashi, OKAMOTO, Kazuhiro, ODA, Miyuki, KATO, Takumi, KARASUNO, Ayaka, KURETSUBO, Kenji, SUZUKI, Atsumu, TAKAHASHI, Satoru, NAGAHARA, Shogo, NAKAMURA, Takafumi, NAKAMURA, Motoya, MATSUDA, Shota, MARUSHIMA, Toshitsugu, YAMASHITA, Mayu, and YONENO, Shoma

Abstract

大気球シンポジウム 2022年度（2022年11月7-8日. ハイブリッド開催（JAXA相模原キャンパス& オンライン)), Balloon Symposium 2022 (November 7-8, 2022. Hybrid(in-person & online) Conference (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 42名, 資料番号: SA6000177019, レポート番号: isas22-sbs-019

Published
2022

38. GRAINE project: The roadmap of the project

Author

AOKI, Shigeki, AZUMA, Takashi, OKAMOTO, Kazuhiro, ODA, Miyuki, KATO, Takumi, KARASUNO, Ayaka, KURETSUBO, Kenji, SUZUKI, Atsumu, TAKAHASHI, Satoru, NAGAHARA, Shogo, NAKAMURA, Takafumi, NAKAMURA, Motoya, MATSUDA, Shota, MARUSHIMA, Toshitsugu, YAMASHITA, Mayu, YONENO, Shoma, KODAMA, Koichi, IYONO, Atsushi, MATSUKAWA, Akine, NAKAZAWA, Kazuma, YOSHIMOTO, Masahiro, USUDA, Ikuya, KOMATANI, Ryosuke, KOMATSU, Masahiro, KOMIYAMA, Masahiro, SATO, Osamu, SHIMIZU, Kai, SUGANAMI, Amon, SUGIMURA, Kou, TORII, Mayu, NAGANAWA, Naotaka, NAKANO, Toshiyuki, NAKANO, Noboru, NAKAMURA, Yusuke, NAKAMURA, Mitsuhiro, NAKAMURA, Yuya, NISHIO, Akira, HAYASHI, Hirotaka, MINAMI, Hideyuki, MORISHITA, Misaki, MORISHIMA, Kunihiro, YAMAMOTO, Saya, and ROKUJO, Hiroki

Abstract

大気球シンポジウム 2022年度（2022年11月7-8日. ハイブリッド開催（JAXA相模原キャンパス& オンライン)), Balloon Symposium 2022 (November 7-8, 2022. Hybrid(in-person & online) Conference (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 46名, 資料番号: SA6000177017, レポート番号: isas22-sbs-017

Published
2022

39. GRAINE計画：次期気球実験に向けた 与圧容器ゴンドラ および 飛跡角度較正機構の開発

Author

NAKAMURA, Yusuke, USUDA, Ikuya, KOMATANI, Ryosuke, KOMATSU, Masahiro, KOMIYAMA, Masahiro, SATO, Osamu, SHIIMZU, Kai, SUGANAMI, Amon, SUGIMURA, Kou, TORII, Mayu, NAGANAWA, Naotaka, NAKANO, Toshiyuki, NAKANO, Noboru, NAKAMURA, Mitsuhiro, NAKAMURA, Yuya, NISHIO, Akira, HAYASHI, Hirotaka, MINAMI, Hideyuki, MORISHITA, Misaki, MORISHIMA, Kunihiro, YAMAMOTO, Saya, ROKUJO, Hiroki, KODAMA, Koichi, IYONO, Atsushi, NAKAZAWA, Kazuma, YOSHIMOTO, Masahiro, AOKI, Shigeki, AZUMA, Takashi, OKAMOTO, Kazuhiro, ODA, Miyuki, KATO, Takumi, KARASUNO, Ayaka, KURETSUBO, Kenji, SUZUKI, Atsumu, TAKAHASHI, Satoru, NAGAHARA, Shogo, NAKAMURA, Takafumi, NAKAMURA, Motoya, MATSUDA, Shota, MARUSHIMA, Toshitsugu, YAMASHITA, Mayu, and YONENO, Shoma

Abstract

大気球シンポジウム 2022年度（2022年11月7-8日. ハイブリッド開催（JAXA相模原キャンパス& オンライン)), Balloon Symposium 2022 (November 7-8, 2022. Hybrid(in-person & online) Conference (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 42名, 資料番号: SA6000177021, レポート番号: isas22-sbs-021

Published
2022

40. Trial of 'Science Cafe Sapporo | Online' : Possibilities and Issues Suggested by Audienceʼs Evaluation

Author

OKUMOTO, Motoko, IKEDA, Takako, KAJII, Hiroki, KAWAMOTO, Shishin, KOBAYASHI, Yoshihiko, TANEMURA, Takeshi, NISHIO, Naoki, PARK, Hyunjung, HARA, Kenichi, and HAYAOKA, Eisuke

Subjects
comparison between online and offline cafe, サイエンス・カフェ札幌, オンラインとオフラインの比較, questionnaire, Science café Sapporo, 参加者分析, アンケート, オンライン化, online, audienceʼs evaluation
Abstract

「サイエンス・カフェ札幌」は，北海道大学CoSTEP が2005 年から札幌市内で定期的に実施してきたサイエンスカフェである．新型コロナウイルス感染症感染拡大の予防措置として，2020年7月の第111回からオンラインでの開催に切り替え，「サイエンス・カフェ札幌｜オンライン」という名称でYouTube Live にて6回実施してきた．本稿ではまず，オンライン化の際に重視した設計方針について報告する．その上で，従来の対面式の「サイエンス・カフェ札幌」とオンライン化したサイエンスカフェの参加者アンケート結果を比較し，参加者層の変化やイベント評価の特徴を分析した．その結果，オンライン化したサイエンスカフェでは遠隔地からの新規参加者の増加，壮年層の増加，文系層の増加がみられた．一方で青年・高齢層の減少や，アンケート回収率の悪化といった傾向がみられた．, This report shows the difference of audience between online science café and offline science café by analyzing these audience. Science café Sapporo is a science cafe that Hokkaido University CoSTEP has regularly held in Sapporo since 2005. For the purpose of preventing the spread of COVID-19 infection, we has switched to online holding Science Cafe Sapporo since July 2020. This report reports on the practice of bringing Science Cafe online. In addition, we have collected similar questionnaire from audience at offline and online Science café Sapporo and was able to compare the differences of audience between them. As a result, an increase in new audience from remote area, an increase in middle-aged people, and an increase in humanities were observed at the online science cafe.

Published
2021

41. Final Debriefing Session on the Mizunami Underground Research Laboratory Project, February 9, 2022, Mizunami-shi, Gifu-ken, Japan

Author

Nishio, Kazuhisa, Hanamuro, Takahiro, and Mikake, Shinichiro

Abstract

国立研究開発法人日本原子力研究開発機構東濃地科学センターでは、平成8年度から実施してきた超深地層研究所計画における調査研究を令和元年度をもって終了するとともに、令和4年1月14日に研究所の研究坑道埋め戻し等工事を完了した。今般、研究成果の取りまとめが終了したため、当該計画で得られた研究成果及び坑道埋め戻し等の工事内容を報告するための最終報告会を開催した。本報告書は、令和4年2月9日に開催した「超深地層研究所計画最終報告会」で用いた発表資料を取りまとめたものである。, Research and development project, Mizunami Underground Research Laboratory (MIU) Project at the Tono Geoscience Center (TGC) of Japan Atomic Energy Agency (JAEA), has been performed since 1996 and ended in 2019 fiscal year. On January 14, 2022, construction work such as backfilling of the research tunnels of the MIU was also successfully completed. After the research results has been compiled, we decided to hold a final debriefing session to report the research results obtained from the project and the construction details such as backfilling of the tunnels. This report summarized the presentation materials used in "The Final Debriefing Session on the Mizunami Underground Research Laboratory Project" held on February 9, 2022.

Published
2022

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