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Consider a large plane wall of thickness L = 0. 5 m. The wall surface at x = 0 is insulated while the surface at x = L is maintained at a temperature of 120 degree C. The thermal conductivity of the wall is k = 108 W/m degree C, and heat is generated in the wall at a rate of q = 0 e-0.5x / W / m3 where 0 = 3.95x105 W / m3. Assuming steady one-dimensional heat transfer (a) express the differential equation and the boundary conditions for the heat conduction through the wall, (b) obtain a relation for the variation of temperature in the wall by solving the differential equation (c) determine the temperature of the insulated surface of the wall and (d) graph the steady state temperature distribution as a function of position.
for flow over a circular cylinder as shown below the velocity outside of boundary layer can be estimated to beux 2
a rectactangular surface is placed in a vertical position in fresh water with its top and bottom edges horizontal. if
an agitation system is to be designed for a fluid having a density of 950kgm3 and viscosity of 0.005pas. the vessel
The link BD is a single solid bar with a width x thickness measuring 1.000 in. x 0.50 in. If the pins at A, B and D have a diameter of 0.375 in, determine the average normal stress in link BD when:(b) Fx = 0 and Fy =4.00 kips.
a preheater involves the use of condensing steam at 100? on the inside of a bank of tubes to heat air that enters at 1
Is there an economic case for renewable energy? This issue was recently a "hot topic" in the news, and you are referred to the following newspaper article for a representation from the media.
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
Calculating the mechanical properties of unidirectionally reinforced composites
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Couette Flow Velocity Distribution, Using the log law, determine the velocity distribution for Couette flow between parallel plates a distance h apart, with U = the velocity of the top plate.
A 0.7-lb block rests on top of a 0.5-lb block supported by but not attached to a spring of constant 9 lb/ft. The upper block is suddenly removed. Determine (a) the Maximum velocity reached by the 0.5-lb block, (b) the maximum height reached by the..
Prove that the transformation Q1 = q12 Q2 = q2 sec p2 p cos p2 - 2q2 P= 1 P2 = sin p2 - 2q1 1 2q1 cos p2 is canonical, by any method you choose . Find a suitable generating function that will lead to this transformation.
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