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Water at a rate of 45,500 kg/h is heated from 80 to 150°C in a heat exchanger having two shell passes and and flowing at 2 kg/s is to be cooled from 80°C to 50°C with chilled water, which is supplied at a temperature of 15°C and a flow rate of 2.5 kg/s. Assuming an overall heat transfer coefficient of 2000 W/m2 · K, calculate the required heat transfer areas for the following exchanger configurations: (a) parallel flow, (b) counter- flow, (c) shell-and-tube, one shell pass and two tube passes, and (d) cross-flow, single pass, both fluids unmixed. Compare the results of your analysis. Your work can be reduced by using IHT.
the hot gas supply to a propulsion nozzle is at a pressure of 55kpa and temperature of 800k. the ambient pressure is
Electric power is generated by installing a high powered turbine-generator at a site 120 m below the free surface of a large water reservoir. Determine the power generation potential if the water can be steadily supplied at 2.4 m^3/s. Assume a densit..
a container with volume 2 m3 filled with three different gases 20 kg oxygen at -23 c 50 kg nitrogen gases at 27 c and
A bioengineer is trying to determine the amount of gap developed between bone and cement when a femoral hip is placed. The system is assumed to consist of concentric cylinders. Calculate the gap developed between bone and cement if the temperatures o..
ln a study of the properties of a liquid a 2-kg sample of liquid was heated at a constant pressure of 1 atm from 500 to
A barrel contains a 0.120-m layer of oil floating on water that is 0.250 m deep. The density of the oil is 600 kg/m.
the water behind hoover dam in nevada is 206 m higher than the colorado river below it. at what rate must water pass
An isolated system consists of a 10-kg copper slab initially at 30°C, and 0.20 kg of saturated water vapor, initially at 130°C. Assuming no volume change, determine the final equilibrium temperature of the isolated system in °C.
To reduce costs and the environmental impact of commuting, your company decides to close a number of offices and to provide support for staff to work from home.
The drive pulley for a conveyor belt has a diameter D1. The pulley is turned by a motor, while the idler wheel is freely rotating. The idler wheel has a diameter D2. There is no slack in the belt. The belt is moving at a linear speed of VBELT.
consider an accelerometer with a natural frequency of 800 hz and a damping ratio of 0.6. determine the frequency range
a promising method of power generation involves collecting and storing solar energy in large artificial lakes a few
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