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A longitudinal aluminum fin (k = 230 w/mk) is attached to a copper tube having an outside radius of 0.04m. The length of the fin is 0.080 m and the thickness is 3mm. The tube base is held at 450 K and the external surrounding air at 300 K has a convective coefficient of 25 w/m^2 K. Calculate the fin efficiency and the heat loss from the fin per 1.0 m of length.
The direction of the forces are 0,-30 and +120 degrees from the positive X axis. Determine the magnitude and direction of the resultant force.
heat is generated uniformly inside a 20-mm thick plane wall at a rate of 20000 wm3. the thermal conductivity of the
an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p1 85 kpa and t1 305 k.
The velocity profiles at locations x=0.1, 0.30 and 0.5. Plot contours of u-velocity and v-velocity. How many iterations did it take to get your solution?
two refrigerators are arranged in series. one of them receives 300 kjcycle from a reservoir at 300 k. the heat
Draw the block diagram of the uncontrolled seat Plot the open loop displacement response of the uncontrolled seat to a step input
what is the density of solid aluminum at the melting temperature? what is the density of liquid aluminum at the melting
capacitor with capacitance 6.00 microf is connected to a resistor with r 780 o in series and an emf source of 25.0 v
If the atmospheric pressure is 90 kPa, determine the pressure inside the cylinder.
Draw in Third Angle Projection. the following orthogonal views - a Sectional Side View from 8 on a vertical cutting plane through the centre line of the bearing journals
consider the non lifting flow over a circular cylinder. calculate the location on th surfaceof the cylinder where the
a steam power plant implements an ideal reheat rankine cycle. steam enters the inlet of the high-pressure turbine at 8
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