Powering the Future - 立命館大学

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Ritsumeikan University College of Science and Engineering Research/Development Areas 1. Impact assessment to water resource and ecosystems by global climate changes 2. Model development and field application of an Integrated Lake Basin Management method 3. Vulnerability analysis of sea level rise, storm surge, and tsunami Lecturer / Keisuke SATO There are serious water resource problems in the world. With forecasts of global warming and climate change intensifying in the future, safe and steady water supply will become more difficult for people and industries. It is therefore necessary to propose effective management techniques in our country that rely on the import of food and energy resources. In our laboratory, field investigation from lake Biwa and the Aso basin and experimental measurement of pollution loads are carried out. Moreover, an Integrated Simulation Model of atmosphere-soil-watersediment has been developed. We use information technology, such as the latest global information obtained from GIS and satellites RS as an applicable method all over the world. Problem structures of water resource are comparatively analyzed in various regions. Additionally, by considering the limitation and environmental capacity in each region, new environmental policies are designed and evaluated quantitatively. Our final goal is to suggest more sustainable water resource management techniques. ■A Bird’s eye view of lake Baringo basin with GIS and Remote sensing, and a photo of the field investigation 31 Ritsumeikan University Powering the Future
Department of Architecture and Urban Design Research/Development Areas Architecture/urban environmental engineering, architectural equipment, environment coexistence Research/Development Areas Structural design methods for higher performance and lower cost Professor / Tomoyuki CHIKAMOTO We are carrying out research on the design of architecture and cities/city blocks that can coexist with the environment, clarifying humans comfort/physiological phenomenon, and the establishment of a low-carbon society. (1) Human-clarification of comfort/physiological phenomenon: We clarify the comfort and physiological phenomenon people experience through architecture and various spaces in cities in studying the architecture and urban spaces people feel comfortable with. (2) Architecture-energy saving efforts: We are promoting the development of next-generation air-conditioning/heat source systems that balance energy saving with comfort and an eco-campus in addition to making suggestions on and evaluating new merchant houses in Kyoto utilizing traditional knowledge and environmental coexistence type architecture. (3) City-safe city blocks/city designs that take the environment into consideration: We are evaluating and researching urban greening and city block designs that lead to control of the heat island affect. (4) Earth-aiming at a low-carbon society: We are aiming at the realization of being a low-carbon society by establishing a model that incorporates traffic and transportation in addition to architecture and cities. Lecturer / Jingyao ZHANG The construction of modern structures, such as high-rise buildings and large-span structures, are possible due to the developments in the field of structural engineering. Structures, however, are designed not only to provide space for human activity in daily life, but also to protect life and property from natural hazards, such as earthquakes, typhoons, and fires. Moreover, the consumption of limited natural resources and the damage to environment have become quite a big problem in the building industry with the development of our human society. Thus, it is highly desirable to design and build structures that are durable and highly resilient to possible hazards, at the lowest cost, both environmentally and financially. To cope with these contemporary needs, the Structural Design Lab is concentrating on providing new design methodologies and developing novel structural systems. College of S cience and Engineering ■Researching reduction of heat island affect by reproducing a city in an experimental wind tunnel laboratory ■Numerical simulation of collapse of steel frame structure due to severe earthquake Research/Development Areas Architectural design process Research/Development Areas Built Environment and Building Service for Human Comfort and Energy Saving Professor / Kazuhiro HIRAO The concept and academic field of a “design process” exists with architecture and product design. It is a concept that evolved in the US and Germany in the 1960s, with researches on it having been carried out in the fields of industrial and architecture design. Design cannot not promoted without a plan and is generally implemented with targets: (1) efficient allocation of time, (2) generation of ingenious ideas, (3) smooth formation of agreement with client/transmission of the intent of the design, (4) expressive presentation etc according to the plan. Performance can be improved by intentionally following these processes toward a specific result. From the methodology given above we focus on the expression technique such as in making sketches and invocation via the means of the imagination that are evolving in the planning field etc and carrying out research on verifying the efficiency of the processes using actual projects and competitions. Lecturer / Tomohiro KOBAYASHI In buildings that provide our living environment, the physical factors become important, like lighting, thermal, airflow, and the acoustic environment. At the moment, to save energy and reduce CO2 emissions is also required because of global warming. In our laboratory, the control strategies utilizing renewable energy, and the operation method of building facilities of high energy performance are studied. We are currently studying the following topics by means of wind tunnel testing and Computational Fluid Dynamics (CFD): 1) A design method for residential buildings utilizing wind and buoyancy for ventilation. 2) Operation and performance prediction of the Thermal Energy Storage System which stores energy for air conditioning within nighttime of the previous day. 3) Development of high performance air conditioning systems. We are cooperating with the laboratory of built environment and building service. ■Project model ■Simulated results of temperature distribution inside a thermal storage tank in a charging mode flowing through a pipe ■Evaluation of ventilation characteristics of a monitor roof used as a natural ventilation device Ritsumeikan University Powering the Future 32
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Powering the Future - 立命館大学

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