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A raindrop falls vertically through stationary mist, collecting mass as it falls. The raindrop remains spherical and the rate of mass accretion is proportional to its speed and the square of its radius.
Show that, if the drop starts from rest with a negligible radius, then it has constant acceleration g/7.
For an adiabatic in viscid flow, write the entropy equation in general coordinate-independent form and in Cartesian coordinates. What does the equation express? Can we say that entropy is constant in an entire such flow (explain your answer)?
a weight attached to a spring of stiffness 525nm has a viscous damping device. when the weight is displaced and
In a manufacturing process, a copper disk is placed in a bath of cooling fluid. The copper disk has a 5 cm radius and a 1 cm thickness. The initial temperature of the copper disk is 450 degrees Celsius. The thermal conductivity, density, and specific..
A steel cylinder with closed ends has an internal diameter of 160 mm and external diameter of 320 mm OD. It is subject to an internal pressure of 150 MPa. Determine the radial and tangential stress distributions
Water vapor enters a turbine at p1= 5 bar, T1=320? C and exits at p2 = 1 bar. The work generated is measure as 250 KJ per kg of water vapor flowing. Determine the isentropic turbine efficiency.
determine the instantaneous rate of heat transfer from a 1.5-cm-diameter ball bearing with a surface temperature of 150
Using a centrifugal pump, and a flow rate of 60 gal/min, calculate the break hp of the pump using water with a density of 62.4lbm/ft3 and do the same for a nonviscous liquid having a density of 0.85g/cm3.
Assume the van der Waals equation of state holds for the n-propane molecule (C3H8). Find values for the constants a and b (online) and use these to calculate the density in (g ml^-1) at a temperature of 1000K and a pressure of 10 atm. The equation or..
motion with wind stress rotation and friction in the following you may use these values if neededmiddot density
water at 70degf is being drained from an open tank through a 24-in diameter 130-ft long new cast iron pipe. find the
the electronic components of a computer are cooled by air flowing through a fan mounted at the inlet of the electronics
an electric generator provides 500 kw and is powered by a diesel engine with a compression ratio of 19 and a cutoff
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