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1 vortices are observed downstream of a 2-cm-diameter cylinder in 20-c atmospheric air how far are the shed vortices
a blue spruce pine tree has the shape of a triangle which is 15 cm off the ground the triangle has a maximum diameter
a bike rider expends a certain amount of energy to travel 12 ms while in the upright position how fast will the rider
1 an automobile travels on a horizontal section of highway at sea level where the temperature is 20-c estimate the
1 a 220-cm-square sign is impacted straight on by a 50 ms 10-c wind estimate the force on the sign if the sign is held
atmospheric air at 20-c is flowing at 10 ms calculate the drag force ona a 10-cm-diameter smooth sphereba
1 a 2-cm-diameter sphere moves at re frac14 10 separation is just occurring what is its speed if it is submerged in a
1 sketch the expected flow around a sphere if a re frac14 4 b re frac14 4000 and c 40 000 identify the separated region
1 a supersonic airflow changes direction 20- due to a sudden corner if t1 frac14 40-c p1 frac14 60 kpa absolute and v1
air flows from a reservoir through a nozzle into a receiver the reservoir is maintained at 400 kpa absolute and 20-c
a pitot probe is used to measure the pressure in a supersonic pipe flow if the pressure in the pipe is 120 kpa absolute
air flows from a reservoir maintained at 400 kpa absolute and 20-c out a nozzle with a 10-cm-diameter throat and a
1 a bolt of lightning lights up the sky and 15 s later you hear the thunder how far did the lightning strike from your
select an appropriate pipe diameter and size of pump using fig 103 to deliver water at q frac14 250 m3h between two
1 show that the energy equation relates the temperature rise to the velocity change for a small adiabatic disturbance
determine the flow distribution in the water supply system shown using the hardy cross method the piezometric head at
find the discharge in the pumping system using the hardy cross method the pump curve is hp frac14 100 2 50q 2 850q2
it is common in pump design and manufacturing to make use of dimensionless coefficients that relate to pump power ww p
find the flow distribution of water in the branching system using a trial method assume for all pipes f frac14 002 the
an irrigation system lies in a horizontal plane with a large diameter pipe delivering water through a single line to
what is the required head and discharge of water to be handled by the pump for the branching system the flow in pipe3
1 oil s frac14 092 is pumped from a storage tank and discharges into a reservoir through a pipe whose length is l
an oil pipeline s frac14 086 has three segments as shown with a booster pump for each segment employed to overcome pipe
1 water flows in the system shown the pump curve is approximated by hp frac14 150 2 5q 2 with hp q in m3s find a the