Abstract
The purpose of this study is to develop a new calculating method for water supply demands in restaurant. It is difficult to clarify the characteristic and to estimate the volumes of water supply demands in each faucet and cooking equipment in restaurant because the water usage is various and complicated in each operation or cooking equipment. However, it is possible to easily get the data of water consumption in a whole kitchen and to clarify the characteristic of water supply demands of the whole kitchen. The authors have advanced the development of calculating method for the time series loads, such as a daily, hourly and instantaneous loads by using a computer. We have proposed the method that applies the unit model as the water consumption of one flat in an apartment. Applying the view of a unit model, it is possible to prospect the loads of water consumption in restaurant. In this paper, the measurements of water consumption were carried out in 21 restaurants, and the basic data on the store characteristics were offered by a management company. First of all, the method of the numerical analysis for a large data recorded the volumes of water consumption in every one- minute over a year was studied. Secondly, the relationship between number of customers and hourly water supply demands was analyzed. In addition, analyzing the measurement data of water consumption, the calculating unit model of water usage in the kitchen was set up. The time series loads in the restaurants were calculated by using the method that applied the Monte Carlo simulation technique, and the precision of results were studied as a comparison with the measurement data. As the results, it was shown that the calculating method was effective in restaurants.
