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Refer to the shell-and-tube heat exchanger shown in Fig. 9.13. The outer tube has an OD of 7/8 in and the OD of the inner tube is 1/2 in. Both tubes are standard steel tubes with 0.049-in wall thicknesses. The inside tube carries 4.75 gal/min of water at 200°F and the shell carries 30.0 gal/min of ethylene glycol at 77°F to carry heat away from the water. Compute the Reynolds number for the flow in both the tube and the shell.
determine the force that needs to be applied on the plate to maintain this motion.
Show that for a particular choice of initial conditions [that is, r(t = 0) and v(t = 0)] it is possible to obtain a solution such that r decreases continually in time, but that for any other choice r will eventually increase. (Exclude cases where ..
what is the time required to empty 8m diameter 3m high swimming pool thourghh a 3cm diameter 25 meter long horizontal
the boy of mass 40 kg is sliding down the spiral slide at a constant speed such that his position measured from the top
a large tank is used to calibrate the reading from a flow meter. measurements of the system weight as a function of
A typical car with a full tank of gasoline contains 10^6 BTU of chemical energy. If the car has a weight of 3500 lbf, what is the maximum speed (in miles-per- hour, 1 mile = 5,280 ft) the car could obtain by accelerating from rest neglecting drag or ..
a pressure cooker cooks a lot faster than an ordinary pan by maintaining a higher pressure and temperature inside. the
A solar collector design consists of an inner tube enclosed concentrically in an outer tube that is transparent to solar radiation. The tubes are thin walled with inner and outer diameters of 0.10 and 0.15 m, respectively.
a bottle filled with soda rests on the conveyor of a grocery check-out. the bottle weights 2 lbs the cg is 8 inches
Determine the torque T required to overcome the fluid resistance and rotate the tube with a constant angular velocity of w. Assume the velocity profile within the liquid is linear.
water is the working fluid in an ideal rankine cycle. steam enters the turbine at 1400 lbfin2 and 1000degf. the
determine the radial acceleration of a point on the outer surface of the 36 inch diameter tires of a jet-powered car
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