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A heat exchanger is to be designed to condense 1100 kg/hr of steam ay 150 kPa. For this purpose, cooling water at 50 degrees celsius is available in sufficient quantity to accomplish the cooling. You are to design a shell-ad-tube exchanger with steam in the shell and one tube pass as the condenser. Calculate the convection coefficients for condensation and forced flow through the tubes. Select several alternatives for the tube bank and tube size, determine the length of the heat exchanger, and calculate the pressure drop through the tubes for each selection. Recommend a final design that specidies water-flow rate, tube size, number of tubes, and tube length. Comment on your selection.
Design a process for the manufacture of 10^6 kg per year of mayonnaise. the shelf life of the product is expected to be 1 year. You need to complete the following in your design.
What is the total rate of heat transfer to the air? What is the pressure drop associated with the airflow?
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Calculate the concentration (in weight percent) of molybdenum that must be added to tungsten to yield an alloy that contains 1.51 x 1022 Mo atoms per cubic centimeter.
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determine the stresses and the rotation of the body at x= 0.050m and y=0.020m is the displacement field compatible?
Estimate the infiltration flow rate if the window is partially open (assuming the window open area is 2 meter squared).
Treat the locomotive as a particle and assume that the railroad tracks are rectilinear and horizontal.
Determine the flow rate of steam from the boiler in lb/h
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