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One can place an obstruction in a flowering river and measure the river flow rate by looking at the water height upstream of the obstruction. In an open channel flow such a device is called a weir.
Assume the volume flow rate, Q, over a weir is a function of the upstream water height, h, gravity g, and channel width, b. Use dimensional analysis to find the functional form of the dependence of Q upon the other variables.
A pump is employed to deliver liquid water from a pond to a higher elevation. The pump steadily draws water from the pond at a volumetric flow rate of 192 gal/min through a pipe having a 7 in diameter inlet. The exit diameter of the pipe is 2 in. and..
Cantilever Beam with maximum tensile strength. A cantilever beam is to be made using a symmetrical I section beam. The cantilever is to carry a load of 40kN at a distance 2.5m from the fixed end. The situation allows for a depth of I beam to be no..
given the velocity field v 10x2 y i 15 y z j - 3xy-25t k finda the acceleration of a fluid element at a point 12-1 at
Calculate the fraction of atom sites that are vacant for copper (Cu) at a temperature of 729°C (1002 K). Assume energy for vacancy formation of 0.90 eV/atom. Repeat this calculation at room temperature (298 K).
when the rope it at an angle of 30 degrees the 2 lb sphere a has an initial speed of 2 fts. the coefficient of
Calcium Silicate has replaced asbestos as the preferred insulation for steam lines in power plants. Consider a 40 cm O.D., 4 cm wall thickness steel steam line insulated with a 12 cm thickness of calcium silicate. The insulation is protected from dam..
a 10 m3 tank contains nitrogen r0.2969 kjkg-k0.2969 kpa-m3kg-k at 30degc and 600 kpa. some nitrogen is allowed to
you are designing a mobile device to extract water from a well through a tube. assume your device is able to create a
A frictionless piston cylinder device arrangement initially contains 8kg of saturated water mixture at 200 Degrees Celsius. Heat is supplied to the mixture till all the mixture is converted to saturated vapour at constant pressure. Determine the fina..
an open brayton cycle engine operates with a compressor-pressure ratio of 6 an inlet temperature of 20 c and inlet
balloons are often filled with helium gas because it weighs only about one-seventh of what air weighs under identical
what are the two possible arrangements for a concentric tube heat exchanger? for each arrangement what restrictions are
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