Insulated 1 steel pipe with an inner diameter of: The schedule 40 pipe has a wall...
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Insulated 1" steel pipe with an inner diameter of: The schedule 40 pipe has a wall thickness of: The fiberglass insulating wrap is: The thermal conductivity of the carbon steel is: The thermal conductivity of the fiberglass is: Water, flows through the pipe at a flow rate of: Water, flowing through the tube, is at a temperature of: Water kinematic viscosity Water thermal conductivity Water Prandtl Number Air, blown over the outside of the tube, moves at a velocity of: Air, blown over the outside of the tube, is at a temperature of: Air kinematic viscosity Air thermal conductivity Air Prandtl Number idpipe 1.05 inches tpipe = 0.133 inches tinsul = 0.25 inches kpipe = 24.8 btu/ft hF Kinsul = 0.0231 btu/ft hF 6.) Calculate the heat flux per ft of insulated pipe Vwater = 5 gal/min Twater = 115 F v = 8.8 ft/s x10-4 k = 0.35 btu/ft hF Pr = 5.5 Vair = 60 ft/s. 25 F Tair = v = 1.34 ft/s x10-4 k = 0.152 btu/ft hF Pr = 0.7 1.) Calculate the internal (water to tube) convective heat transfer coefficient, hwater. 2.) Calculate the internal (water to tube) thermal resistance due to internal convective heat transfer, Rwater-steel. 3.) Calculate the thermal resistance of the pipe & insulation, Rinsulated_pipe. 4.) Calculate the external (tube to air) convective heat transfer coefficient, hair. 5.) Calculate the external (tube to air) thermal resistance due to external convective heat transfer, Rair. Insulated 1" steel pipe with an inner diameter of: The schedule 40 pipe has a wall thickness of: The fiberglass insulating wrap is: The thermal conductivity of the carbon steel is: The thermal conductivity of the fiberglass is: Water, flows through the pipe at a flow rate of: Water, flowing through the tube, is at a temperature of: Water kinematic viscosity Water thermal conductivity Water Prandtl Number Air, blown over the outside of the tube, moves at a velocity of: Air, blown over the outside of the tube, is at a temperature of: Air kinematic viscosity Air thermal conductivity Air Prandtl Number idpipe 1.05 inches tpipe = 0.133 inches tinsul = 0.25 inches kpipe = 24.8 btu/ft hF Kinsul = 0.0231 btu/ft hF 6.) Calculate the heat flux per ft of insulated pipe Vwater = 5 gal/min Twater = 115 F v = 8.8 ft/s x10-4 k = 0.35 btu/ft hF Pr = 5.5 Vair = 60 ft/s. 25 F Tair = v = 1.34 ft/s x10-4 k = 0.152 btu/ft hF Pr = 0.7 1.) Calculate the internal (water to tube) convective heat transfer coefficient, hwater. 2.) Calculate the internal (water to tube) thermal resistance due to internal convective heat transfer, Rwater-steel. 3.) Calculate the thermal resistance of the pipe & insulation, Rinsulated_pipe. 4.) Calculate the external (tube to air) convective heat transfer coefficient, hair. 5.) Calculate the external (tube to air) thermal resistance due to external convective heat transfer, Rair.
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