PPV and Impulse ventilation testing
When water-based artificial smoke is introduced into a rapidly moving air stream, the particles that make up the artificial smoke evaporate much more quickly than they do in a static environment.
So if you are looking to produce an artificial smoke that better represents the smoke created by a real fire, we would always recommend the ViCount system, the smoke from which is virtually unaffected by fast moving airstreams.
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Demonstration movies
PPV Demo Frankfurt with ViCount smokeDownloads
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US Coast Guard
Following a smoke training exercise on board the USNS Regulus, a crewmember firefighter was quoted:
"That was unbelievable down there. I couldn’t see a thing. I was completely disorientated. I thought I knew where everything was located, but now I realise I only had a vague awareness"