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Some colleges (such as Colorado State University) have environmental wind tunnels that can be used to study phenomena like wind flow over city buildings. What details of scaling might be important in such studies?
A house is maintained at 1 atm and 24 C and warm air inside a house is forced to leave the house at a rate of 150 m^3/h as a result of outdoor air at 5C infiltrating into the house through the cracks. Determine the rate of net energy loss of th..
an ideal gas-turbine with two stages of compression and two of expansion. the pressure ratio for each stage is 3.
consider axial viscous flow in a long annular pipe driven by a pressure gradient with an inner solid rod of radius ri
two barges each with a displacement mass of 550 mg are loosely moored in calm water. a stunt driver starts his 1650-kg
1.consider a room 3 m x 3m x 3m with one faccedilade made of glazing with diffuse transmittance 0.6 and reflectance
Air contained in a rigid, insulated tank fitted with a paddle wheel, initially at 4 bar, 40oC and volume of 0.2 m3, is stirred until its temperature is 500 K. Assuming the ideal gas model for the air, determine the amount of entropy produced, in kJ/K..
Consider a Refrigerant 22 at 0oC that is going through a phase change from the saturated liquid to saturated vapor. Using T-dS equations, calculate the entropy change between these two phases.
The maximum take-off mass of an Airbus A380 passenger jet is about 600 000 kg. The lift is provided by the wings, which have a total area of 845 m2.
A steam plant operates on a Rankine cycle. The following conditions are given: The steam exits the boiler at 550C and 15MPa. The heat supplied to the boiler is at 1000C. The condenser pressure is 8kPa. The flow exits the condenser with 4C of subcooli..
a commercial project requires that installation of 1856 sq. ft. of acoustical ceiling. using the productivity rate of
Model the earth as a sphere with a diameter of 8,000 miles. Using 14.7 psia as the average pressure at the earth's surface and ignoring variation in g with altitude, estimate the weight of the earth's atmosphere in lbf, and its mass in lbm.
Find the input/output equation using the P-operator approach when x2 is the output.
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