Development of tool for obtaining mutual agreement of location of municipal facilities related urban metabolic systems.

“新陈代谢”这个词通常用于生物化学。所有生物体的生长都是通过摄取营养物质、获取能量、产生细胞成分以及将废物排入外部环境来实现的。这种营养物质的生化变化和转移机制被称为生物体的代谢。据说，城市或城区与生物体有很多相似之处，因为城市地区消耗大量新材料、水、能源和食物，并排放固体废物、废水、废气和废热，以维持其发展和/或维持其活动。采用250m × 250m的正方形网格系统，建立了城市下水道系统和固废收集系统的计算机仿真模型。该模型的总面积覆盖了东京都市圈主体部分的612 b|。每个网格都记录了以下信息作为人口；网格建筑总建筑面积；更典型的用途类型，如住宅用途，商业和商店用途，办公用途，工业用途，医院，学校和公共用途。在本模型中，将下水道系统定义为城市活动余热的收集系统，并在系统中计算热回收的优化。在城市地区的最佳地点引入污水热泵设施，以提供最佳的热量，在不久的将来，城市地区的二氧化碳排放总量可能会减少到目前为止。加上下水道系统，固体废物管理在城市活动的能源回收方面也有很大的潜力。在本模型中，还估计了每个收集区从固体废物中回收的能量量，这取决于管理政策。沿街土地价格作为基础数据存储，并在监控屏幕上显示价格随时间的变化。期望利用该仿真模型为市政设施选址决策的正反双方提供一个令人满意的方案。少

The word of "Metabolism" is usually used in biochemistry. All organisms grow by taking up nutritional substances and getting energy and producing cellular constituents, and by discharging waste products into outer environment. This mechanism of biochemical change and transfer of nutritional substances is called as metabolism of living organisms. It is said that a city or an urban area has much analogy with a living organism, because a urban area takes up a lot of new materials, water, energy and foods, and discharges solid wastes, wastewater, waste gas and waste heat, for the purpose of growing and/or maintaining its activities.A computer simulation model of urban sewer systems and solid wastes colletion systems is formulated by using a square grid system of 250m by 250m. The total area of the model covers 612| of the main part of Tokyo Metropolitan Area. Each grid has been recorded following information as population ; total floor area of the buildings which belong to the grid ; the t … More ypical usage types of the buildings such as residential use, commercial and shop use, office use, industrial use, hospital, and shools and public use.In the present model, the sewer system is difined as a collection system of waste heat from urban activities and optimization of heat recovery is calculated in the system. Introducing the heat pump facilities for sewage at optimum points in the urban area to supply a optimum amount of heat, the total emission of CO2 from the urban area might be minimized so far in near future. Adding sewer system, solid wastes management also have so much potential to be effective in energy recovery for the urban activities. In the present model, the amount of energy recovery from solid wastes is also estimated for each collection area which is variable depending on management policy. The price of the land along the streets is stored as basic data and the time dependent change of the price is shown on the monitor screen.It is expected to use the present simulation model for presenting an agreeable plan to both side of pros and cons to the decision of location of municipal facilities. Less