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Liquid oxygen (LOX) is used as rocket fuel to launch satellites into space. However, it is easier (and less dangerous) to transport oxygen in gaseous form. What is the mass flow rate of gaseous oxygen that flows at 25 m/s through a 0.5-meter diameter pipe. Assume the temperature of the oxygen is 15 C and that the pipe is pressured to 150 kPa gage. The gas constant of molecular oxygen (O2) is [8.314 J / (K mol)] / (32 g / mol) * (1000 g / kg) = 259.8 J / (K kg).
the record low sea-level barometric pressure ever recorded is 25.8 in. of mercury. at what altitude in the standard
consider an air-standard otto cycle and a modified cycle in which the isentropic compression and expansion processes
when two cars a and b are next to one another they are traveling in the same direction with speeds va and vb
thin rubber strips are used to provide increasing resistance to orthopedic patients during large motion exercises.the
this would provide you with a set of Reynolds numbers. Next, using the integral method, determine the velocity profiles within the boundary layer to be followed by determination of the heat transfer coefficient values for your selected Reynolds numbe..
a gas refrigeration cycle with a pressure ratio of 3 uses helium as the working fluid. the temperature of teh helium is
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steam at 80 bar 440oc enters a turbine at 1operating at steady state with a volumetric flow rate of 236 m3min. twenty
for the following cross sectiondetermine the coordinates x and y of the centroid c of the area shown in the
Consider two closely coiled helical springs, one made of steel, the other of copper, each 0.01m in wire diameter, one fitting with in the other. Each has an identical number of coils, n=20, and ends constrained to deflect the same amount.
Using a centrifugal pump, and a flow rate of 60 gal/min, calculate the break hp of the pump using water with a density of 62.4lbm/ft3 and do the same for a nonviscous liquid having a density of 0.85g/cm3.
an aluminum polycrystalline specimen is elastically compressed in plane strain. if the true strain along the
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