A-64 プールやスパにおける停滞水域に関するCFD解析と水槽形状の分類

概要

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The Legionellosis infectious disease has been a serious problem in big bathtubs with water re-circulation system installed in swimming pools, spas, public baths etc. It can be supposed that a bathtub has such infectious risk when water is stagnant in it. This paper presents CFD(Computational Fluid Dynamics) simulation on water flow within an experiment tank and the stagnant region in the tank is studied numerically. The CFD can predict the detail of water flow in the tank and the results are compared to the experiment. In this paper, the age of water is proposed as an index of exchange efficiency of water in a tank. The age of air is widely used as an index of ventilation efficiency by HVAC engineers, and the similar index, i.e. the age of water, is applied to water exchange efficiency.
社団法人空気調和・衛生工学会の論文
2005-07-25