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A Shell and Heat Exchanger needs to be installed. Water from the turbine at 90 C is cooled to 80 C in a shell-tube HX using 150 kg/s of raw water from Power Plant Lake. The raw water temperature can increase by 2, 4, 6, or 10 C. Design a suitable HX for a 100 MW of heat load (If you chose a multi-module system design only one HX unit). The Heat exchanger tubes have to be shorter than 25 ft in length and the total pressure drop cannot exceed 20 psi.
Consider the Newtonian fluid with constant viscosity u and density p flowing between two parallel plates. The plates have a surface area of . The fluid velocity profile is parapolic in shapre and given by Vx=aLy-4ay^2.
Remember that velocity is a vector quantity so find the magnitude of the average velocity and the angle of average velocity from the horizon
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consider an air-water heat exchanger. air flowing steadily at the rate of 0.5 kgs enters the heat exchanger at 100 kpa
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