Výsledky vyhledávání - "Shuichi Nagata"

Akademický článek

Statistical Modeling of Financial Data with Skew-Symmetric Error Distributions

Autor: Masayuki Jimichi, Yoshinori Kawasaki, Daisuke Miyamoto, Chika Saka, Shuichi Nagata

Publikováno v: Symmetry, Vol 15, Iss 9, p 1772 (2023)

Based on corporate financial data for almost all companies listed on the Prime Market of the Tokyo Stock Exchange in fiscal year 2021, we gradually refine a model to explain firms’ sales by the number of employees and total assets. Starting from a

Externí odkaz: https://doaj.org/article/d1e95d236a1f4c559b8658d450f974e0

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Akademický článek

Study on viscous-friction series damper for industrial facilities (Mechanism and basic performance of damper)

Autor: Satoshi FUJITA, Keisuke MINAGAWA, Shuichi NAGATA, Go TANAKA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 838, Pp 15-00493-15-00493 (2016)

This study proposes a viscous-friction series damper. The series damper consists of an oil damper and a friction damper connected in series. Long period and long time seismic waves were recognized as new problems by the Great East Japan Earthquake. I

Externí odkaz: https://doaj.org/article/201b1d11daca4a4fa884d1a3d479fd06

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Akademický článek

Effect of End Plates on the Performance of an Impulse Turbine for Wave Energy Conversion

Autor: Toshiaki SETOGUCHI, Manabu TAKAO, Kenji KANEKO, Shuichi NAGATA, Kazutaka TOYOTA

Publikováno v: Journal of Fluid Science and Technology, Vol 3, Iss 3, Pp 450-457 (2008)

The objective of this paper is to present the effect of end plate on the performances of the impulse turbine for wave energy conversion by experimental investigation. The experiments have been performed by model testing under steady flow conditions i

Externí odkaz: https://doaj.org/article/cc093e1ca7e5498ca2e2240a2f3f43c1

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Akademický článek

Effects of Hull Shape on Primary Conversion Characteristics of a Floating OWC ”Backward Bent Duct Buoy&rdquo

Autor: Kazutaka TOYOTA, Shuichi NAGATA, Yukitaka IMAI, Toshiaki SETOGUCHI

Publikováno v: Journal of Fluid Science and Technology, Vol 3, Iss 3, Pp 458-465 (2008)

Backward Bent Duct Buoy (BBDB) is a type of oscillating water column (OWC) wave energy converter invented by Masuda. BBDB is said to have superior primary conversion efficiency with maintaining small mooring costs. However, some problems remain uncle

Externí odkaz: https://doaj.org/article/3e45cd229ef944b6963d17b7fa8bfce2

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Akademický článek

Performance Prediction of OWC Type Small Size Wave Power Device with Impulse Turbine

Autor: Masami SUZUKI, Manabu TAKAO, Eiji SATOH, Shuichi NAGATA, Kazutaka TOYOTA, Toshiaki SETOGUCHI

Publikováno v: Journal of Fluid Science and Technology, Vol 3, Iss 3, Pp 466-475 (2008)

This paper investigates a small size wave power device with an impulse turbine installed in the breakwater near Niigata Port, Japan. The device consists of an air chamber, a turbine, a generator and pressure-relief valves. This study reveals the char

Externí odkaz: https://doaj.org/article/79eb1f2795b643ed91ac434d12492bf8

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