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Featured researches published by Ryohei Kono.


International Journal of Ventilation | 2006

A Wind Tunnel Experimental Analysis of the Ventilation Characteristics of a Room with Single-Sided Opening in Uniform Flow

Shinsuke Kato; Ryohei Kono; Takamasa Hasama; Ryozo Ooka; Takeo Takahashi

Abstract Wind-induced cross ventilation is one of the key technologies for saving energy while controlling the indoor environment, and seems to be a crucial element of any sustainable building policy. However, it is sometimes difficult to arrange openings on two sides for cross ventilation of a room. In buildings in built-up areas, many rooms only have openings on a single side. Since the airflow rate for a single-sided opening is much lower than that for two-sided openings, it is important to study how we can increase the airflow rate for a single-sided opening using either passive or active techniques. In this study, the characteristics of wind-induced ventilation with single-sided openings were analysed through wind tunnel experiments. In some experimental cases, a small object was attached to the opening in order to increase the airflow rate. (It was assumed that this object replicated a pivoted window whose vertical axis was in the centre of the window.) In other experimental cases, circulation flow was artificially induced in the room used in the experimental model in order to increase the airflow rate. A synergistic effect from the fresh air entering through the opening was expected with the circulation.


Journal of Wind Engineering and Industrial Aerodynamics | 2005

Wind tunnel tests of effects of atmospheric stability on turbulent flow over a three-dimensional hill

Takeo Takahashi; Shinsuke Kato; Ryozo Ooka; Mohamed F. Yassin; Ryohei Kono


Journal of Environmental Engineering (transactions of Aij) | 2011

ENERGY PERFORMANCE IN A FLOOR HEATING SYSTEM OF THERMAL ENERGY STORAGE, USING SOLAR DIRECT GAIN AND AIR SOURCE HEAT PUMP

Sookyung Kim; Ryohei Kono; Makoto Satoh; Sayaka Kindaichi; Yosihiko Akamine; Masayuki Mae; Yuzo Sakamoto


Journal of Environmental Engineering (transactions of Aij) | 2005

STUDY ON EFFECT OF OPENING AREA RATIO AND RELATIVE OPENING LOCATION ON AIR FLOW CHARACTERISTICS IN CROSS-VENTILATION MODELS

Kyosuke Hiyama; Shinsuke Kato; Takeo Takahashi; Ryohei Kono


Journal of Environmental Engineering (transactions of Aij) | 2016

PROPOSAL OF DESIGN APPROACH FOR DETERMINING THE OPTIMAL ARRANGEMENT OF PARTITION WALLS IN A STATION BUILDING TO REDUCE WIND VELOCITY IN WINTER AND PROMOTE HEAT REMOVAL IN SUMMER: Study about utilizing reverse simulation for CFD using the adjoint variable method@@@随伴変数法を用いたCFD逆解析の活用に関する研究

Akane Mashimo; Ryohei Kono; Jun Nakagawa; Kazunari Momose; Kaoru Ikejima; Kumiko Inui


Journal of Environmental Engineering (transactions of Aij) | 2015

PROPOSAL OF DESIGN METHOD TO OPTIMAL ARRANGEMENT OF TREES FOR WIND VELOCITY REDUCTION: Study about utilizing reverse simulation for CFD using the adjoint variable method@@@随伴変数法を用いたCFD逆解析の活用に関する研究

Akane Mashimo; Ryohei Kono; Jun Nakagawa; Kazunari Momose; Kaoru Ikejima; Kumiko Inui


Journal of Environmental Engineering | 2015

PROPOSAL OF DESIGN METHOD TO OPTIMAL ARRANGEMENT OF TREES FOR WIND VELOCITY REDUCTION:Study about utilizing reverse simulation for CFD using the adjoint variable method

Akane Mashimo; Ryohei Kono; Jun Nakagawa; Kazunari Momose; Kaoru Ikejima; Kumiko Inui


Journal of Environmental Engineering (transactions of Aij) | 2012

STUDY ON THE EFFECTIVE USE OF FLOOR HEATING SYSTEM, USING HEAT PUMPS AND PCM IN HOUSES

Kozo Takase; Masayuki Mae; Yoshihiko Akamine; Ryohei Kono; Makoto Satoh; Yuzo Sakamoto


学術講演会論文集 | 2009

D-18 Wind Tunnel Study on Airflow Characteristics of a Room Attached to a Balcony in Cross Wind

Ryohei Kono; Shinsuke Kato; Takeo Takahashi; Hiroki Takahashi; Sihwan Lee; Hong Huang; Hideaki Nagano


Journal of Environmental Engineering (transactions of Aij) | 2008

PREDICTION OF AIRFLOW RATE OF SINGLE-SIDED ROOM IN CROSS WIND

Ryohei Kono; Shinsuke Kato; Ryozo Ooka; Takeo Takahashi

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