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In a continuous casting machine, the billet moves at a rate of u m/s. The hot billet is exposed to an ambient temperature of Ta. Set up an equation to find the temperature of the billet as a function of time in terms of the pertinent parameters. Assume that radiation also plays a role in the dissipation of heat to ambient.
at 100 lbfin2 saturated vapor h2o flows in a pipe. a valve is opened to vent a small amount to the atmosphere. assuming
air enters at 75 psi 400 f and 100 fts and area at inlet is 20 in2. at outlet 15 psi 500 fts. find m dot and
Three kg of saturated R-134a inside frictionless piston-cylinder device is at a state (state 1) such that the piston is not moving (equilibrium). The atmospheric pressure around the device is 99.4 kPa and the mass of piston is 2.45 kg. The volume of ..
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A power plant receives 92,000 lbm/hr or coal that burns in 25 percent excess air. For simplicity, assume the coal is pure carbon. The combustion air/exhaust flow pressure drop through the steam generator is a total of 60 in-H2O. Find the power, in un..
an orifice meter is to be installed in a 12-in ductile iron pipe carrying water at 60degf. a mercury manomoter is to
Find the maximum shear stress in a 5 ½-in-diameter circular saw blade if it runs idle at 5000 rev/min. The saw is 14 gauge (0.0747 in) steel and is used on a 5/8-in-diameter arbor. The thickness is uniform. What is the maximum radial component of str..
consider a regenerative rankine cycle with a 600c and 4-mpa throttle a 5-kpa condenser and an open feedwater heater at
an isobaric heating process raises the temparature of one of one mole of an ideal gas by delta t 100 k. the heat
a 0.5m3 rigid tank contains refirgerant r-134a initially at 200 kpa and 40 quality. heat is now transferred untill the
The temperature, pressure, and velocity before a normal shock wave are 20-C, 100 kPa absolute, and 600 m=s, respectively. Determine the temperature, pressure, velocity, and Mach number after the shock wave.
The method presented in this chapter can easily be executed by a spreadsheet program on a computer. Write such a program and repeat the calculations from the table. The program will be more flexible if a separate column is used for the compressibi..
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