Hiroharu Endoh
Railway Technical Research Institute
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Publication
Featured researches published by Hiroharu Endoh.
Congress of the International Ergonomics Association | 2018
Hiroharu Endoh; Shota Enami; Yasuhiko Izumi; Jun Noguchi
This study examines the effects of the periodic wind variations generated by cross-flow fans to offset the sensation of warmth under realistic conditions of occupant density and temperature change in commuter trains in Japan. Subjective experiments were performed in a stationary commuter vehicle at a rolling stock depot. The results of the study showed that (1) the temperature at which the subjects felt a neutral thermal sensation on average was 24.6 °C in the fan-off condition and 27.5 °C in the fan-on condition, (2) the temperature at which 20% of the subjects felt discomfort due to warmth was 24.3 °C in the fan-off condition and 27.6 °C in the fan-on condition, (3) the relations between air temperature and subjective evaluations under an occupant density of 0.3 m2 per person were almost the same as those under an occupant density of 0.2 m2 per person and (4) the draft risk model substantially overestimated the discomfort due to coldness at temperatures over 22 °C.
Quarterly Report of Rtri | 2009
Hiroharu Endoh; Koji Omino; Hiroaki Shiroto; Mitsugu Sawa; Katsuji Tanemoto; Yasushi Takei
A wind tunnel experiment was conducted in order to study the effects of train-generated drafts on human postural stability. In the experiment, 29 people were exposed to a transient wind force similar to a draft from a passing train, and the results suggested that both wind speed and wind duration affect postural stability. In this paper, we estimated the tolerance of postural stability against transient wind based on a statistical model and a physical model, and discussed the validity of these models.
Quarterly Report of Rtri | 2008
Koji Omino; Hiroaki Shiroto; Ayano Saitoh; Hiroharu Endoh
The Japanese Journal of Ergonomics | 2006
Ayano Saito; Hiroaki Suzuki; Hiroaki Shiroto; Kohei Fujinami; Hiroharu Endoh; Shigeki Matsuoka; Toshie Hirai; Kazuhiko Saito
Quarterly Report of Rtri | 2013
Hiroharu Endoh; Koji Omino
The Japanese Journal of Ergonomics | 2009
Koji Omino; Hiroharu Endoh; Katsuji Tanemoto; Hiroaki Shiroto; Mitsugu Sawa; Yasushi Takei; Hiroyuki Saito
The Japanese Journal of Ergonomics | 2018
Daisuke Suzuki; Hiroharu Endoh; Ayano Saito; Naohiro Akiu; Naoki Mizukami
Ergonomics | 2017
Daisuke Suzuki; Hiroharu Endoh; Naohiro Akiu; Shota Enami; Naoki Mizukami
The Proceedings of the Transportation and Logistics Conference | 2016
Hiroharu Endoh; Fumitoshi Kikuchi; Ayano Saito; Sohei Tsujimura; Nobuaki Hayashi
The Proceedings of International Symposium on Seed-up and Service Technology for Railway and Maglev Systems : STECH | 2015
Hiroharu Endoh; Fumitoshi Kikuchi; Yasuhiko Izumi; Sohei Tsujimura; Nobuaki Hayashi