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Derive 3-D non-steady state conduction equation in spherical co-ordinates. Explain the assumption involved.
The hot combustion gases of a furnance are divided from the ambient air and its surroundings, which are at 25 oC, by a brick wall 0.15m thick. The brick has a thermal conductivity of 1.2W/mk and a surface emissivity of 0.8 . Under steady state conditions an outer surface temperature of 100 oC is calculated. Free convention heat transfer to the air adjoining the surface is divided by a convection coefficient of 20W/m2k. what is the brick inner surface temperature?
First law of thermodynamics: The First Law of Thermodynamics states that work and heat are equally convertible. The present tendency is to include all the forms of energy. The
Hydrostati c Pressure - Thermodynamics: It is also called as Pressure due to Depth of Fluid. It is needed to determine the pressure exerted by static fluid column on surface,
Ideal Speed Circuit ( 36 to 40 kmph ) : Motorcycle is brought into this condition by raising the throttle valve and an incorporated jet needle. The air enters through the main pa
Calculate the feed in Drilling Operation Calculate the feed in m/min if a drill makes 200 revolutions per minute and penetrates to a distance of 3 mm per revolution. Solut
Consider the expansion loop displayed in the diagram below, which is part of a long pipeline. The loop is made up of a uniform pipe section and is subjected to a temperature raise
Blasting Nozzle: Figure: Shown blast nozzle sample Jet injection type of nozzle is a very powerful blasting method. Nozzle design is very particular to the
sketch and discuss the uses and application of the following types of cam follower;knife edge,roller and flat ended.
A counter flow heat exchanger is used to cool 2000kg/hr of oil(Cp= 2.5 KJ/Kg K) from 105 o C to 30 o C by the use of water entering at 15 o C. If the overall heat transfer coeff
Four (04) coins are tossed simultaneously (ie at the same time) and results in either a HEADS or a TAILS in each coin. Develop a simple computer model on MS EXCEL to simulate the t
pq+p+q=0
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