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An engineering student measures an ambient lab pressure and temperature of 405.35 in. H2O and 70.5 F, respectively and wind tunnel dynamic presssure of 1.056 kN/m^2. Assume that R_air = 287.04 J/(kg*K) Determine with the correct number of significant fiugres (a) the room density using the perfect gas law in SI units and (b) the wind tunnel velocity using Bernoulli's equation in units of ft/s. Bernoulli's equation states that for irrotational, incompressible flow the dtynamic pressure equals one-half the product of the density times the square of the velocity.
for flow over a circular cylinder as shown below the velocity outside of boundary layer can be estimated to beux 2 ug
wall temperature needed for the runner to cylinder #3, such that the cylinder air inlet temperature is the same as that in cylinder #1. Runner length for cylinder #3 is 15 cm.
a centrifugal compressor used in a gas turbine engine increases the pressure of 2000 lbmmin of air from 15 psia to 150
a ship travels 40km. on course of 17 degree south of east and then travels 90km. on course 50degree west of south. find
a dump truck is shown in the figure. the loaded container has a mass of 8000 kg and may be modelled as a solid
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
air within a piston-cylinder assembly initially at 12bar 327 degree celcius undergoes an isentropic expansion to
Important information about Overall Heat Transfer Coefficient A copper sphere of internal diameter 2 m and wall thickness 40 mm is insulated with 75 mm of expanded polystyrene
a cantilevered boom is part of an assembly machine. a tool with a weight of 500lb moves continuously from the end of
a two-stage air compressor operates at steady state compressing 10 m3min of air from 100kpa 300 k to 1200 kpa. an
A rigid tank has a volume of 23.3 m^3 and due to safety requirements its pressure should not exceed 105 bar. If the tank has been filled with 1000kg of water vapor and is heated to 360°C check to see if it is within safety requirements.
a steam power plant consists of an insulated boiler a pressure regulator and an insulated turbine. the boiler has a
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