Determine the reynolds number
Water is flowing through a 23 cm diameter pipe with a velocity of 11 m/s. The viscosity of water is 8 x 10-3 N·s/m2. Determine the Reynolds number.
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The pressure in an air tank is able to support a water column 15 meter high. Find the absolute air pressure in (PSI) if the local atmospheric pressure is 101 kPa.
Calculate the rate of change of density ( d(rho)/dt ) in the tank the moment the valve is opened. Assume uniform properties in the tank at any instant.
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How much is the velocity at the outlet for each case if the large diameter is 50.8 mm and the small diameter is 25.4 mm? Calculate the volumetric and mass rates for each case.
Determine the mass of the liquid water by determining the quality factor at the initial state. Find the volume occupied by the liquid at the initial state.
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Refrigerant-134a at 240 kPa and 20C undergoes an isothermal process in a closed system until its quality is 20 percent. On per unit mass basis, determine how much work and heat transfer are required.
Make a schematic drawing of amorphous Si glass with 10% H including about 30 atoms(Hint think about how many bonds Si will form and how many bonds will H form)
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