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a body is dropped on the moon g 162 ms2 with an initial velocity of 12 ms by using option 2 variables eq 511 the
the wall shear stressw in a boundary layer is assumed to be a function of stream velocity u boundary layer thickness
a spar buoy has a period t of vertical heave oscillation that depends on the waterline crosssectional area a buoy mass
the rate of heat loss q loss through a window or wall is a function of the temperature difference between inside and
the period of oscillation t of a water surface wave is assumed to be a function of density wavelength lambda depth
a ship is towing a sonar array that approximates a submerged cylinder 1 ft in diameter and 30 ft long with its axis
vortex shedding can be used to design a vortex flowmeter fig 633 a blunt rod stretched across the pipe sheds vortices
a fishnet is made of 1-mm-diameter strings knotted into 2x 2 cm squares estimate the horsepower required to tow 300 ft2
consider natural convection in a rotating fluid-filled enclosure the average wall shear stress in the enclosure is
the size d of droplets produced by a liquid spray nozzle is thought to depend on the nozzle diameter d jet velocity u
the torque m required to turn the cone-plate viscometer in fig p535 depends on the radius r rotation rate omega fluid
a one-twelfth-scale model of a large commercial aircraft is tested in a wind tunnel at 20degc and 1 atm the model chord
extend prob p530 as follows let the maximum mass flow m again be a function of tank pressure p0 and temperature t0 gas
a torpedo 8 m below the surface in 20degc seawater cavitates at a speed of 21 ms when atmospheric pressure is 101 kpa
a one-tenth-scale model of a supersonic wing tested at 700 ms in air at 20degc and 1 atm shows a pitching moment of 025
the radio antenna on a car begins to vibrate wildly at 8 hz when the car is driven at 45 mih over a rutted road that
a prototype spillway has a characteristic velocity of 3 ms and a characteristic length of 10 m a small model is
an east coast estuary has a tidal period of 1242 h the semidiurnal lunar tide and tidal currents of approximat 80 cms
a prototype ship is 35 m long and designed to cruise at 11 ms about 21 kn its drag is to be simulated by a 1-mlong
an airplane of overall length 55 ft is designed to fly at 680 ms at 8000-m standard altitude a one-thirtieth-scale
solve prob p549 for glycerin at 20degc using the modi- fied sphere-drag plot of fig 511the sphere in prob p548 is
knowing that p is proportional to l rescale the data of example 510 to plot dimensionless p versus dimensionless
a dam spillway is to be tested by using froude scaling with a one-thirtieth-scale model the model flow has an average
according to the web site usgs daily water data for the nation the mean flow rate in the new river near hinton wv is
some colleges such as colorado state university have environmental wind tunnels that can be used to study phenomena