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A spherical tank (AISI 302 stainless steel) has an outside diameter of 40cm and a wall thickness of 2cm. It contains biochemical reactants maintained at 1 80C. The ambient air temperature is 20C. What is the thickness of the layer of insulation required to maintain the outside surface temperature at 55C if the thermal conductivity of the insulation is 0.1W/mK, and the convective heat transfer coefficient of the outside of the insulation is 9 W/m^2K? Also, calculate the resulting heat loss rate from the tank.
Determine the resulting stress equations for σx, σy and τxy given the Airy's stress function ? = a1x^4 + a2(x^3)y + a3(x^2)(y^2) + a4x(y^3) + a5(y^4), where ai are constants. Also determine, if any, the restrictions between constants.
What is the compressor's steady state response when a 30kg absorber with a stiffness of 1.3*10^5 N/m is added to the end of the beam? Please determine how to change the absorber to minimize the response of the beam.
an experimental fireworks shell is launched vertically from point a with an initial velocity of magnitude v0 80 ftsec.
now consider the cooling process. it takes place in a heat exchanger hx. warm air. at 75 f is flows into one side of
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
suppose that you have a basin of 35c warm water that you use to run a heat engine that cools its substance with air at
The slotted wheel rolls to the right without slipping,
a thermopane window consists of two 6-mm thick glasses separated by a stagnant air space of thickness 6 mm. the thermal
the pressure in the vein is known as 1850 Pa. what force must be applied to the plunger, so that 1.5 x 10^-6 m^3 of solution can be injected in 5.0 s?
Determine the acceleration of the cabinet when sA = 40 ft. Note that when sB = 0, sA = 0 (points A and B are coincident).
if p 400 and the coefficient of kinetic friction between the 50- crate and the inclined plane is 0.25 determine the
5 lbm of air is compressed in a piston cylinder assembly from 1 bar 300k to 5 bar according to a polytropic process
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