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Write a program for Problem 3.163, where the initial state, the volume ratio, and the polytropic exponent are input variables. To simplify the formulation, use constant specific heat.
Problem 3.163
A piston/cylinder assembly in a car contains 0.2 L of air at 90 kPa and 20?C, as shown in Fig. P3.163. The air is compressed in a quasi-equilibrium polytropic process with polytropic exponent n = 1.25 to a final volume six times smaller. Determine the final pressure and temperature, and the heat transfer for the process.
Then, refer to Appendix G.1 to specify a suitable steel tube, using the largest of the given wall thicknesses for any size because of the high pressures used in fluid power systems. For the selected tube, compute the actual velocity of flow when c..
What is the average coefficient of friction between the two surfaces if the original amplitude was 150 mm? How much time has elapsed during the four cycles?
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Saturated liquid steam at 2 MPa steadily enters a valve where it is throttled to 0.3 MPa. The inlet and outlet diameter is 1 cm. The flow rate is 0.012 kg/s. Determine the outlet density [kg/m3] of the steam. Also show that it is reasonable to neglec..
A counter flow cooling tower operates steadily with 100 liter/sec of water that is cooled from 30 C to 25 C. The ambient air is at sea level pressure, 25 C dry bulb and 20 C wet bulb temperature. The ratio of mass flow rate to air flow rate is 1.0.
nitrogen flows without gain or loss of heat through a horizontal duct cross-section is 1-ft by 2-ft throughout at
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What is the prudent economic decision and recalculate the above problem for this higher, i.e. 11%, return on investment.
List the quantum numbers for each electron in the ground state of nitrogen and calculate the magnitude of the angular momentum of an electron in the n = 4, I = 3 state of hydrogen.
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