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Featured researches published by Daisaku Nishina.


Energy and Buildings | 1991

Study of the effects of a river on the thermal environment in an urban area

Saburo Murakawa; Takeshi Sekine; Ken-ichi Narita; Daisaku Nishina

Abstract This paper describes the results of field observations on the micro-climate in an around the Ota River flowing through Hiroshima City. At first, detailed measurements of temperature distribution within the river section were carried out along the bridge. Then, both the horizontal and vertical extent of a thermal river-effect were confirmed by moving observations along the streets crossing the river and by simultaneous balloon observations above the river and in the downtown area. In addition to these short-term observations on fine days, long-term temperature measurements were conducted at several stationary points in and around the river during 14 months. The drop in air temperature above the river exceeds 5°C on fine days in warmer seasons, and is proportional to the surface temperature difference between the river water and the asphalt pavement. These thermal effects were discernible at least a few hundreds meters horizontally and more than 80m vertically. However, temperatures were also affected by the building density and wind direction and velocity.


Journal of Asian Architecture and Building Engineering | 2017

A Study on the Psychological Evaluation of Tourism Landscape Images in Hiroshima A Psychological Evaluation by Korean Subjects

Toshiro Yoshihara; Daisaku Nishina; Takahiro Tanaka; Kota Kawase; Hanako Takagishi

In this study, similarities and differences in psychological evaluations of sightseeing scenes in Hiroshima by Korean, Chinese and Japanese subjects were examined to identify new and attractive features for foreigners. Forty scenes were chosen as the stimuli for the psychological experiments; these were sourced from sightseeing homepages in Hiroshima Prefecture. In the evaluation for ′Hope to visit′, scenes that largely contained artificial elements received lower evaluations. In contrast, scenes that depicted nature and Japanese gardens received higher evaluations. Furthermore, no correlation was found between ′Hope to visit′ and ′Similarity to Japan′. Scenes depicting characteristics were preferred to typical Japanese scenes, and subjects recognised the similarity between Japanese and Korean scenes, which explains their lack of desire to visit. Similarities and differences among the three subject groups were determined; however, since the subjects were living in Japan, they might have obtained Japanese knowledge and experiences. Therefore, further study is required to compare the results with evaluations of people who have not left their native countries.


Journal of Environmental Engineering (transactions of Aij) | 2014

A STUDY ON PSYCHOLOGICAL EVALUATION IN THE SEMI-OUTDOOR SPACE TO GET OUT OF THE RAIN, “AMA-YADORI.”

Fuyuka Tokumoto; Daisaku Nishina; Takahiro Tanaka

The purpose of this study is to identify the attributes of Semi-Outdoor space which is better to stay for a short time. In this paper, “AMA-YADORI” is focused as one of the actions in Semi-Outdoor space to get out of the rain. The psychological experiment was conducted based on the results of the questionnaire survey carried out to obtain the actual conditions of “AMA -YADORI”. In the experiment, the subjects were asked to evaluate 40 photographs of Semi-Outdoor spaces taken in Hiroshima City. The evaluation tendencies of the comprehensive and individual evaluation items and image evaluation items were shown and the relationships among these evaluations were examined. Furthermore, the physical attributes of Semi-Outdoor spaces preferred for “AMA-YADORI” were clarified based on the relationships between the psychological evaluation and the physical attributes.


Journal of Architecture and Planning (transactions of Aij) | 2014

STUDY ON DAILY MOVEMENTS AND LIVING ENVIRONMENT EVALUATIONS OF THE RESIDENTS IN DEVELOPED SUBURB RESIDENTIAL AREA

Keitaro Ozawa; Takahiro Tanaka; Daisaku Nishina

This study aims to clarify the daily movements and living environment evaluations of the residents in developed suburb residential area by using questionnaire survey results. And the design of multi-core type compact city is also discussed based on the results. Major finding are as follows: 1) Movement areas vary depending on the purposes. Furthermore, the evaluations of the distance to destination are also different if the proposes are different. 2) Comfortable environment and natural environment of the developed suburb residential area are attractive for the residents. 3) Vacant lots get negative evaluations from the view of safety and comfortability. Taking measures will be needed for such lots.


Journal of Environmental Engineering (transactions of Aij) | 2008

ANALYSIS ON CONSCIOUSNESS AND EVALUATIONS STRUCTURE FOR IRRIGATION PONDS IN URBAN AREAS

Kenta Fukagawa; Saburo Murakawa; Daisaku Nishina

� �� � � � � � � � � � � � � � � � � � � � � � � � � ���� ����������������������������� ������������������������������ ������������������������������ �������� ����������������������������� ������������������������������ ������������������������������ ����������������������� ����������������������������� ������������������������������ ������������������������������ ������������������������������ ������������������������������ ������������������������������ ������������������������������ �������������������� ����������������������������� ����������������������������� ������������������������������� ������������������������������ ������������������������������ �������� � ����������������������������� ����������������������������� ����������������������������� ������������������������������ ����������� ����������������������������� ������������������������������ ������������������������������ ����������������������� ����������������������������� ���������������������������� ������������������������������ ������������������������������ ������������������������������ ������ ���������������������������� ������������������������������� �������������������������������� ����������������������������� ������������������������������ ������������������������������ �������������������������������


Journal of Asian Architecture and Building Engineering | 2003

Study on the Indigenous Building Materials of Traditional Houses in Myanmar

Cho Oo; Saburo Murakawa; Kyosuke Sakaue; Daisaku Nishina; Yasuo Koshikawa; Atsushi Yakushijin

In this paper, a study on the various indigenous materials used for the construction of the traditional houses of Myanmar is made. The aim of the study is to collect the basic data for further study about the influences and effects of the use of indigenous building materials on the human comfort inside of the house in correlation with the environment and weather condition. Detail investigation is made on the villages of some races; Bamar, Mon, Shan and Inn-thar. The authors show the type of structure of house in Myanmar and characters of the investigated houses based on the fieldworks and questionnaire, which are located at ten traditional villages and a new developed town. Various kinds of wood and bamboo used for construction materials and leaves and grasses used for roofing are shown as the common indigenous materials. Actual conditions of the indigenous materials used for structure, roofing, flooring and walling in each village and new town are clarified.


Journal of Architecture and Planning (transactions of Aij) | 1994

INFLUENCE OF THE VIEW THROUGH THE WINDOW IN MULTI-STORY FLATS FRONTING A RIVER ON THE DWELLING CONDITIONS

Saburo Murakawa; Daisaku Nishina; Mikiro Yokota


Journal of Architecture and Planning (transactions of Aij) | 1999

RELATIONSHIPS BETWEEN THE IMAGE FEATURES ON A RIVER LANDSCAPE AND THE SUBJECT'S EVALUATION STRUCTURE

Saburo Murakawa; Daisaku Nishina; Masahiro Ueki; Mikiro Yokota


Journal of Architecture and Planning (transactions of Aij) | 1998

COGNITION AND EVALUATION OF "GREEN" USING THE MAP POINTING METHOD

Yoshio Amifuji; Saburo Murakawa; Daisaku Nishina; Norio Sekine


Journal of Architecture and Planning (transactions of Aij) | 2001

A BASIC STUDY ON THE LIFE CYCLE COST BASED ON THE CONDITIONS OF THE MAINTENANCE IN OFFICE BUILDINGS

Hiroshi Sugita; Teruyuki Fujikami; Saburo Murakawa; Daisaku Nishina; Hiroshi Nishimoto

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Kenta Fukagawa

Kyushu Sangyo University

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