Search Results - "Maru, Yusuke"

Suppression of Pressure Oscillation in Supersonic Parachute Model Using a Ring by Fukiba, Katsuyoshi, Ueno, Yuma, Maru, Yusuke

“…A method for suppressing the pressure oscillation of supersonic parachutes is proposed in this study. This method placed a ring with a triangular or circular…”
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Characterization of a novel gas sensor using sintered ceria nanoparticles for hydrogen detection in vacuum conditions by Suzuki, Kengo, Miyazaki, Hiroshi, Yuzuriha, Yasunari, Maru, Yusuke, Izu, Noriya

“…•The H2 detection in vacuum conditions by a novel gas sensor was developed.•The sensor is using sintered ceria nanoparticles.•The sensor resistance depended on…”
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Catalyst-type-an optical fiber sensor for hydrogen leakage based on fiber Bragg gratings by Masuzawa, Satoshi, Okazaki, Shinji, Maru, Yusuke, Mizutani, Tadahito

“…A highly sensitive hydrogen gas sensor based on a fiber Bragg grating (FBG) has been developed. Various potential hydrogen sensor materials were screened by…”
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Study of Pressure Oscillations in Supersonic Parachute by Dahal, Nimesh, Fukiba, Katsuyoshi, Mizuta, Kazuki, Maru, Yusuke

“…Supersonic parachutes are a critical element of planetary mission whose simple structure, light-weight characteristics together with high ratio of aerodynamic…”
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Exploration of energization and radiation in geospace (ERG): challenges, development, and operation of satellite systems by Nakamura, Yosuke, Fukuda, Seisuke, Shibano, Yasuko, Ogawa, Hiroyuki, Sakai, Shin-ichiro, Shimizu, Shigehito, Soken, Ersin, Miyazawa, Yu, Toyota, Hiroyuki, Kukita, Akio, Maru, Yusuke, Nakatsuka, Junichi, Sakai, Tomohiko, Takeuchi, Shinsuke, Maki, Kenichiro, Mita, Makoto, Ogawa, Emiko, Kakehashi, Yuya, Nitta, Kumi, Asamura, Kazushi, Takashima, Takeshi, Shinohara, Iku

“…The exploration of energization and radiation in geospace (ERG) satellite, nicknamed “Arase,” is the second satellite in a series of small scientific…”
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Study of Pressure Oscillations in Supersonic Parachute by Dahal, Nimesh, Fukiba, Katsuyoshi, Mizuta, Kazuki, Maru, Yusuke

“…Supersonic parachutes are a critical element of planetary mission whose simple structure, light-weight characteristics together with high ratio of aerodynamic…”
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Catalytic combustion type optical fiber Bragg grating hydrogen gas sensor using platinum-loaded fumed silica powder by Okazaki, Shinji, Kawada, Hiroyuki, Koshiba, Yusuke, Kasai, Naoya, Maru, Yusuke, Mizutani, Tadahito, Takesaki, Yuichiro, Shimano, Satoshi

“…In order to ensure the safety of hydrogen energy system, a robust and reliable hydrogen sensor device with an optical fiber Bragg grating (FBG) has been…”
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Medium-to long-term strategies in the field of space transportation systems formulated by the Institute of Space and Astronautical Science of the Japan Aerospace Exploration Agency under the Inter-University Research Institute System by Tokudome, Shinichiro, Maru, Yusuke, Nonaka, Satoshi

“…The Space Transportation System Committee of the Institute of Space and Astronautical Science (ISAS) of the Japan Aerospace Exploration Agency (JAXA) has been…”
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Classification of supersonic flow over a rigid parachute model with suspension lines by Dahal, Nimesh, Fukiba, Katsuyoshi, Ito, Yusuke, Mizuta, Kazuki, Maru, Yusuke

“…The supersonic wind tunnel tests using a rigid parachute model were conducted for Mach numbers ranging from 2.0 to 3.0. The rigid model consists of suspension…”
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Experiment of cryo-compressed (90-MPa) hydrogen leakage diffusion by Kobayashi, Hiroaki, Naruo, Yoshihiro, Maru, Yusuke, Takesaki, Yuichiro, Miyanabe, Kota

“…To improve safety regulations for fuel cell vehicles and hydrogen infrastructures, experiments on cryo-compressed hydrogen leakage diffusion were conducted…”
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Experimental study on cryo-compressed hydrogen ignition and flame by Kobayashi, Hiroaki, Muto, Daiki, Daimon, Yu, Umemura, Yutaka, Takesaki, Yuichiro, Maru, Yusuke, Yagishita, Tsuyoshi, Nonaka, Satoshi, Miyanabe, Kota

“…This paper presents a hydrogen ignition experiment conducted to establish safety standards for high-pressure hydrogen handled at the hydrogen stations for fuel…”
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GaN HEMT based rectifier for spacecraft health monitoring system using microwave wireless power transfer by Kobayashi, Y., Tashiro, S., Noji, T., Fukuda, G., Yoshida, S., Maru, Y., Naruo, Y., Yamamoto, Z., Kawasaki, S.

“…High power operable and miniaturized rectifier is one of the most important issues for spacecraft health monitoring system. This is because the flexibility of…”
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Study on variable-shape supersonic inlets and missiles with MRD device by Kobayash, Hiroaki, Maru, Yusuke, Hongoh, Motoyuki, Takeuchi, Shinsuke, Okai, Keiichi, Kojima, Takayuki

“…This paper proposes a new aerodynamic device, which was designated multi-row-disk (MRD). This device has a cone and stabilizer disks being arranged in the…”
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Interference analysis of dual-band WiCoPT system for wireless sensor network in RVT by Takamori, Ryo, Nishikawa, Kenjiro, Maru, Yusuke, Kawasaki, Shigeo

“…This paper proposes and demonstrates a dual-band Wireless Communication and Power Transmission (WiCoPT) system for a wireless health monitoring sensor network…”
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Wireless sensor network in reusable vehicle rocket and low-power 20-30 Ghz amplifier MMIC by Takamori, Ryo, Kawasaki, Midori, Seita, Harunobu, Nishimori, Kentaro, Honma, Naoki, Nishikawa, Kenjiro, Maru, Yusuke, Kawasaki, Sigeo

“…This paper proposes a wireless sensor network system in a rocket and describes the architecture of sensor tags. The proposed health monitoring system based on…”
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