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Question: A long, metal cylinder with radius of R and the initial temperature of 100°C is suddenly submerged into a large pool of sea water of 5°C:
a) Drive the general format of the transient state temperature profile (i.e. use symbols, not numbers) along the radius of the bar;
b) Plot the cross sectional temperature profile of the cylinder from time = 0 to t = infinity. Assuming the bar is made of iron alloy, R = 10 cm; its density = 8.0 g/cm3; heat conductivity = 80 W/(m*K); and heat capacity = 0.4 J/(g*C).
I have an assignment in mathematical methods that needs to be solved . The question also requires a matlab program that constructs a temperature profile of the cylinder
a thin-walled pipe of d 20 mm internal diameter is subjected to a constant heat flow on the surface of strength q400 w
Consider a building whose annual air-conditioning load is estimated to be 120,000 kWh in an area where the unit cost of electricity is $.10/kWh. Two air conditioners are considered for the building.
a contractor is required to prepare a soil surface so that its planar and the normal direction to the surface is within
A car is driven along a straight track with position given by s(t) = 150t – 300 ft (t in seconds). Find v(t) and a(t). Use calculus to find the displacement and total distance traveled over the interval [1, 4].
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What is the heat loss per unit length of pipe? Consider the effect of insulating the pipe with a rigid urethane foam (k = 0.026 W/m · K). Evaluate and plot the heat loss as a function of the thickness 8 of the insulation layer for 0 8 50 mm.
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