Cool City
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Urban design from an engineering perspective
Against the background of aging society and the globalization, there is a rising need for urbanization that aggregates scarce resources and performs efficient economic activity. On the other hand, the creation of pleasant and comfortable public spaces suitable for mature cities has become the new task, alongside the environmental problems caused by urbanization. As a solution for these issues, creating a “Cool City” that designs air, water, light, and heat from an engineering perspective would contribute to a sustainable society.
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Using Engineering Ability to Address the Environmental Problems of Urbanization
For example, in a district development that includes multiple tall buildings, wind tunnel testing and simulation that includes the surrounding area can provide a grasp of the wind environment in that areas. Solutions for resulting areas of strong wind, such as changing the shapes and placement of buildings, can then be studied. The effects of measures can be validated through more detailed simulations before they are implemented, in order to apply more effective measures with greater accuracy than was possible before.
Use Wind, Air, Water, and Light to Design for Amenity in Public Spaces
Microclimate Design in Cool City
This system uses dry water mist to cool air or ground surface according to occupancy.
From Buildings to a “Cool City”
This project proposes facades and roofs that contributes to urban heat island reduction i.e. realization of a “Cool City”.
Potatoes are grown in between the outdoor units. The transpiration effect of leaves lowers the surrounding air temperature, reducing the intake temperature of outdoor units and contributing to increasing efficiency of air conditioning heat sources.
>So Suzuki
>Taro Hongo
Bio-skin Facade is a cooling facade system, which helps heat island reduction. When water evaporates from the surfaces of porous ceramic tubes, vaporization heat lowers the surface temperature to cool the surrounding air. A large reduction of surface temperature can be expected compared to no water flow inside the tubes.
Cool City - Urban Design
This project examines the grid connection between district heat suppliers and buildings with central heat source system to efficiently share heat among districts.