Statistical estimation and forecast of seasonal variations in measured track geometry by Masako KAMIYAMA, Hirotaka SAKAI, Takuya KARATSU, Yasukuni NAGANUMA

“…Two features of the model are as follows: first, the model extracts the effects of seasonal variations. We actually identified track geometry that changes seasonally at some fixed points. …”
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Experimental study on the seasonal characteristics of occupants' thermal comfort in railway vehicles (Verification of the applicability of PMV/PPD to main line vehicles) by Hiroharu ENDOH, Fumitoshi KIKUCHI, Ayano SAITO, Shota ENAMI, Sachiko YOSHIE, Nobuaki HAYASHI

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The Effects of Postponed Manufacturing and Product Planning on Inventory Performance: by Sho Yuki

“…In particular, apparel firms are trying to absorb demand uncertainty and inventory risk through additional manufacturing and planning throughout the season. Despite such efforts, the inventory volume is increasing in the Japanese apparel industry. …”
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Challenges of the WE League, the First Women’s Professional Football League: by Yoshihiro Oi

“…The WE League did not adopt a promotion/relegation system, but instead has a closed league system and, for the first time in East Asia, a fall/spring season schedule. The WE League has the mission of both growing the game of football and solving social issues, include gender equality and women’s empowerment. …”
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Enthusiastic Fandom: by Makoto Mizuno, Yukie Sano, Kazutoshi Sasahara

“…We examined how these factors are influenced by the performance in each game and the likelihood of success in the season. We also analyzed instantaneous synchronization of tweets and retweets by fans during a game as a burst phenomenon. …”
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Analysis on demand and supply operation in electric power system under high renewable penetration using optimal power generation mix model by Kota TAKAO, Shotaro HARA, Tsuyoshi KIRIYAMA, Akira HASHIMOTO, Shozo KANEKO, Satoshi IZUMI, Shinsuke SAKAI

“…Moreover, the impact of high penetration of renewable energy on power supply operation is investigated in detail by estimating the daily capacity variation for frequency control at an interval of 15 min. Depending on the season and the weather conditions, our analysis detects that much of the time there is a capacity shortage for frequency control, which implies that high penetration of renewable energy could lead to severe integrity reduction in power operation. …”
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Contribution of team positional data to the successful transitions during ball recovery in soccer. (Analysis of official matches of J-League professional soccer players) by Satoki MURAI, Makoto AYABE, Takashi OYAMA, Kaito MITANI, Hideaki KUMAHARA, Shunsuke SUNAMI, Satoshi ISHIZAKI

“…The independent variable in this analysis was the positional data gathered from the Vector X7 system (10 Hz) during 20 official matches of the second division of the Japan Professional Soccer League for the 2022 season. The positional data included metrics such as team convex area, length, width, foremost position, rearmost position, rightmost position, and leftmost position. …”
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Economic design of artificial lighting plant factory based on biomass conversion efficiency of Okhotsk vegetables by Ryota YORIFUJI, Shin’ya OBARA

“…However, since the market price of plants varies with the selling season, it is necessary to clarify the biomass conversion efficiency while taking into account the annual air conditioning energy consumed by plant factories. …”
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Analysis of long-term optimal introduction of technologies for the reduction of greenhouse gas in Hokkaido by Takahiro FUJIWARA, Yutaka TABE, Takemi CHIKAHISA

“…The analysis was made with MARKAL MODEL, a linear programing model, modified to be available for renewable energies with daily and seasonal fluctuation. Input data are given from variety of official statistics. …”
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Felt knowledge: ecologising art and Samani Ainu cooking by Soga, E

“…Learning indigenous Samani Ainu cooking across different seasons from Ms Kane Kumagai, I questioned how an art practice can explore ‘felt knowledge’ of the more-than-human world. …”

Experimental study on occupants' thermal comfort in railway vehicles (Verification of the applicability of PMV/PPD to main line vehicles in the summer) by Hiroharu ENDOH, Fumitoshi KIKUCHI, Ayano SAITO, Sohei TSUJIMURA, Nobuaki HAYASHI

“…Our results suggest that the PPD can be used as an index of the variability of thermal sensation, but not as an index of thermal comfort in a main line vehicle in the summer; in order to use the PPD as an index of thermal comfort all the year around, it should be corrected taking into account the seasonal characteristics of the relation between the PMV and the actual percentage of dissatisfied occupants.…”
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Evaluation of regional storage characteristics and external energy input of photovoltaic-derived hydrogen in an air heat exchanged hydrogen storage alloy system by Mitsumasa IINO, Masahiro MATSUSHITA, Ikko TAJIMA, Hideki TOKUYAMA

“…Based on the simulation results, the external heat input of the system was systematically evaluated, and the energy-saving performance of the alloy temperature control of the storage alloy system in each region and the feasibility of seasonal energy shift by the hydrogen storage system were evaluated. …”
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Quantitative Evaluation of Effects of Airflow from Cross-flow Fans on Passengers' Thermal Comfort in Commuter Vehicles by Hiroharu ENDOH, Shota ENAMI, Fumitoshi KIKUCHI, Sachiko YOSHIE, Yasuhiko IZUMI, Jun NOGUCHI

“…Almost all commuter trains in Japan are equipped with cross-flow fans in order to circulate the air in a cabin and provide beneficial cooling to passengers, especially during the hot and humid summer seasons. The purpose of this study is to propose a method for predicting the passengers’ thermal comfort in non-steady state thermal environments with airflow from cross-flow fans in commuter trains in summer. …”
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