Application of visualization methods in local exhaust research

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The contribution deals with the interferometric visualization and a smoke method application in the course of local exhaust systems efficiency research. The interferometric visualization using Mach-Zehnder interferometer has been applied for the research of gaseous contaminants propagation from different sources and for a local exhaust system of these sources. The smoke visualization method has been applied for higher effects to determine efficiency of local exhaust capture. As the smoke method provides clear information of the flow picture in front of the exhaust opening, it allows to determine easily suitable operating parameters of the exhaust system. In this contribution, the attention is concentrated on a flanged exhaust hood and on a reinforced exhaust system combining exhaust and supply of air.

Local exhaust system, Visualization, Mach-Zehnder interferometer, Smoke method, Exhaust hood

2002-01-01

Indoor Air 2002, Santa Cruz

Menterey, California, USA

0-9721832-0-5

Proceedings of 9th International Conference on Indoor Air Quality and Climate

542–

6