Engineering, 29.10.2020 21:50, aroyalstudent
Size an afterburner and specify the flow rate of methane needed to control 500 m3 min-1 of air from a rendering plant. The exhaust gasses are available at 200°C, and must be raised to 700°C and held for 0.8 sec to reduce emissions of odorous compounds. The burner requires ambient air at a mass ratio of 14:1.
Answers: 2
Engineering, 04.07.2019 18:20, krojas015
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
Engineering, 04.07.2019 18:20, maustin5323
Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]
Answers: 1
Size an afterburner and specify the flow rate of methane needed to control 500 m3 min-1 of air from...
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