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A liquid food is being heated in a tubular heat exchanger. The inside pipe wall temperature is 110°C. The internal diameter of the pipe is 30 mm.The product flows at 0.5 kg/s. If the initial temperature of the product is 7°C, compute the convective heat-transfer coefficient. The thermal properties of the product are the following: specific heat =3.7 kJ/(kg°C), thermal conductivity = 0.6 W/(m °C), product viscosity _=500 *10-6 Pa s, density =1000 kg/m2, product viscosity at 110°C = 410 *10-6 Pa s.
an ideal brayton cycle has reheat between the first and second staged turbines and regeneration following the second
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
Two collars C and D move along the vertical rod as shown. Knowing that the velocity of collar C is 50 in/s downward, find the instant centers of all three bars, the angular velocity of AB, the velocity of collard D.
a carnot engine operates between temperatures of 700k and 400k and does 150 j of work in each cycle. what is the
Assuming this pressure creates a force of F = F 0sin( t / t0) on the bullet, determine the velocity of the bullet at any instant it is in the barrel. What is the bullet"s maximum velocity?
a mass of 3kg of nitrogen at 100kpa and 20oc is contained in a piston-cylinder device. it is now expanded to a final
A uniform circular disk of mass m = 1 kg and radius R = 0:4m rolls down an incline. Suppose the disk starts rolling from rest. Find the speed of the center-of-mass when the disk is 2m down the inclined plane.
consider a gas-turbine cycle with two stages of compression and two stages of expansion. the pressure ratio across each
A tank with a flat bottom is filled with water to a height of 3.5 meters. what is the pressure at any point at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)
the 2.4m wide portion abcd of an inclined cantilevered walk-way is partially supported by members ef and gh. knowing
a triangular field with vertices opq has sides op=402m,pq=388m,and qo=254m. find the perpendicular distance from the vertex p to the opposite side.
a convergent-divergent nozzle with an exit-to-throat area ratio of 1.616 has exit and reservoir pressures equal to
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