38 Comparison of Differential Method and Integral Method for Computing Interzonal Air Flows Part 2 : Multiple Tracer Gas Techniques for Measuring lnterzonal Air Flows Three Interconnected Spaces

概要

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The multiple tracer gas method is often used to predict interzonal air flows in buildings. Generally, the mass balance equations of tracer gases are expressed by using a differential method, and air flows through the common wall between rooms are directly determined from it. Because the air flow rates and the gas concentrations change at times. In this case, it is a good method. We are able to infer the air flow rates in a short time. However it is difficult to improve the accuracy of calculated air flows at the suitable sampling time. On the other hand, it will be able for an integral method to determine air flows without setting up such a suitable time. In this report, the interzonal air flows were calculated by these two methods. The results are discussed.
社団法人日本建築学会の論文
1990-03-22