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Does anyone have any experience with flow measurement of a dusty/wet air mixture flowing in a 24" cooling duct. It doesn't need to be an
accurate flow measurement - just whether the supply fan has failed or is there a major flow restriction in the cooling duct. The site is an aluminum smelter that has a series of air fans blowing air through 24" ducts to cool the power buss. The accessable duct (~6 ft) is inadequate to protect a common pitot tube from the fan air turbulance. Rain/moisture/dust is often sucked in to the air duct and coates the surface of the pitot tube.
Thank you for your ideas.
accurate flow measurement - just whether the supply fan has failed or is there a major flow restriction in the cooling duct. The site is an aluminum smelter that has a series of air fans blowing air through 24" ducts to cool the power buss. The accessable duct (~6 ft) is inadequate to protect a common pitot tube from the fan air turbulance. Rain/moisture/dust is often sucked in to the air duct and coates the surface of the pitot tube.
Thank you for your ideas.