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  2. Process duct work - Wikipedia

    en.wikipedia.org/wiki/Process_Duct_Work

    The structural design of ductwork plate is based on buckling of the plate element. Round ductwork plate design is based on diameter to duct plate thickness ratios, and the allowable stresses are contained in multiple references such as US Steel Plate, ASME/ANSI STS-1,SMNACA, Tubular Steel Structures, and other references. In actuality round ...

  3. Duct (industrial exhaust) - Wikipedia

    en.wikipedia.org/wiki/Duct_(industrial_exhaust)

    Industrial exhaust ducts are pipe systems that connect hoods to industrial chimneys through other components of exhaust systems like fans, collectors, etc. Ducts are low-pressure pneumatic conveyors to convey dust, particles, shavings, fumes, or chemical hazardous components from air in the vicinity to a shop floor or any other specific locations like tanks, sanding machines, or laboratory hoods.

  4. Duct (flow) - Wikipedia

    en.wikipedia.org/wiki/Duct_(flow)

    Ducts for air pollution control in a 17000 standard cubic feet per minute regenerative thermal oxidizer (RTO). A round galvanized steel duct connecting to a typical diffuser Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic ...

  5. Bell mouth - Wikipedia

    en.wikipedia.org/wiki/Bell_mouth

    The bell-mouth shape allows the maximum amount of air to be drawn into the duct with minimum loss. Cosworth Formula One engine, with bell-mouthed inlet trumpets for each cylinder, known as a velocity stack. A bell-mouth inlet duct is a form of convergent inlet air duct used to direct air into the inlet of a gas turbine engine.

  6. Hydraulic calculation - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_calculation

    Hydraulic calculations verify that the water flowrate (or water mixed with additives like firefighting foam concentrate) through piping networks for the purpose of suppressing or extinguishing a fire will be sufficient to meet design objectives. The hydraulic calculation procedure is defined in the applicable reference model codes such as that ...

  7. Fanno flow - Wikipedia

    en.wikipedia.org/wiki/Fanno_flow

    The viscous friction causes the flow properties to change along the duct. The frictional effect is modeled as a shear stress at the wall acting on the fluid with uniform properties over any cross section of the duct. For a flow with an upstream Mach number greater than 1.0 in a sufficiently long duct, deceleration occurs and the flow can become ...