Particle deposition results obtained flurometrically showed that deposition flux on to a cylinder placed in cross flow and on all four walls of the duct increases with increasing exhaust velocity. The deposition flux on the windows for the LED and the photo resistor were nearly equal to the ...
A system for degreasing the interior surfaces of kitchen exhaust ventilation ducting includes a number of nozzles connected to piping disposed interiorly and longitudinally to the ducting by a framework. The nozzles are supplied by a high pressure pump through the piping and direct a stream of ...
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Excessive fan speeds send grease up the duct, into the fan and out to the building roof. Slowing down the exhaust fans and reducing the air duct velocity allows the grease to drain back to the hood and into grease cups for easy disposal. This reduces the frequency that the hood and duct...
, generated from the stoves during cooking from dispersing, for example, and in addition it eliminates an influence of a light wind. Therefore, the surface velocity just in front of a grease filter 9 is reduced with its collection performance maintained, so that the flow rate of the exhaust ...
-- Industrial workshop gravity rooftop exhaust. -- Inlet/outlet of duct system. -- Outlet chamber of heat-producing appliance. -- Outlet for pressurized industrial building. -- Inlet for negative pressurized industrial building. -- Inlet of workstat...
Additionally, microbiological analysis was done for indoor and fresh air. We performed measurements regarding supply and exhaust air volume. This means that the air velocity inside ventilator chamber was known. The mean concentration of ...
Therefore, the surface velocity just in front of a grease filter 9 is reduced with its collection performance maintained, so that the flow rate of the exhaust fan 6 is reduced.KUBO YOSHITO
A rising exhaust or discharge chamber containing an automatic fire damper leads from the downstream end of the mixing chamber for connection with a chimney duct containing an exhaust fan for the high velocity discharge of the cleansed exhaust stream. The extractor has a self-contained electrically ...