[ISO 16814:2008, 3.15]:particulate and vapour-phase contaminants emitted to the atmosphere during the smoking of tobacco products, including side-stream smoke and exhaled mainstream smoke, also known as second-hand smoke (SHS)
Continue reading →[ASHRAE Standard 62.1]:the “aged” and diluted combination of both side-stream smoke (smoke from the lit end of a cigarette or other tobacco product) and exhaled mainstreamsmoke (smoke that is exhaled by a smoker). ETS is commonly referred to as secondhand … Continue reading →
[ASHRAE Standard 62.1]:an area (typically on the roof) enclosed on three or four sides by walls that are less than 75% free area, and the lesser of the length and width of the enclosure is less than three times the … Continue reading →
[EN 12792-2003, 136]:area of a sharp edged circular orifice which would pass the same air flow rate and the same applied pressure difference as the product or device being tested.
Continue reading →[EN 12792-2003, 137]:equivalent diameter de for a straight rectangular duct is that diameter of a circular duct which will cause the same pressure drop at equal air flow and equal friction coefficient
Continue reading →