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Consider a large plane wall of thickness L=0.4 m, thermal conductivity k =1.8 W/m·°C, and surface area A= 30 m2. The left side of the wall is maintained at a constant temperature of T1=90°C while the right side loses heat by convection to the surrounding air at T=25°C with a heat transfer coefficient of h=24 W/m2·°C. Assuming constant thermal conductivity and no heat generation in the wall, (a) express the differential equation and the boundary conditions for steady one-dimensional heat conduction through the wall, (b) obtain a relation for the variation of temperature in the wall by solving the differential equation, and (c) evaluate the rate of heat transfer through the wall.
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. what
the frame ACD is supported by a ball-and-socket joint at A and D and by a cable which passes through a ring at B and is attached to hooks at G and H. Knowing that the frame supports at point C a load of magnitude P=268N, determine the tension in t..
determine the values of Q that minimizes unit sales cost UC = TC/Q; and compute the annual profit earned by the plant at this quantity.
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.
The separator produces 43,150 scf/d of 0.724 gravity gas, and the stock tank vents 7240 scf/d of 1.333 gravity gas. What is the formation volume factor of the oil? What is the solution gas-oil ratio? Which of the previous answers applies only at t..
Cantilever Beam with maximum tensile strength. A cantilever beam is to be made using a symmetrical I section beam. The cantilever is to carry a load of 40kN at a distance 2.5m from the fixed end. The situation allows for a depth of I beam to be no..
measure the length of the beam. what is the torque calibration coefficient? 7 explain any anomalies - differences from
Get information about a car engine .drive the ideal performance using the appropriate cycle and compare to the actual performance.
find the best fit Gaussian Curve through the data and plot the data and curve on the same graph.
The maximum flow past a circular cylinder is 2 X the Up stream velocity. The max velocity occurs at the center line of the top of the cylinder.
Discuss the factors beyond crystal structure, quenching and temperature that affect he results of a specimen in a Charpy V notch impact testing.
a 3-lb collar can slide on a horizontal rod which is free to rotate about a vertical shaft. the collar is intially held
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