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1 kg of water executes a cycle in a piston cylinder assembly, starting out at high T (300 deg C) and high P (15 MPa). The piston is released and the system expands rapidly in a process that can be treated as adiabatic. At the end of the expansion, the water in the cylinder is at atmospheric pressure (101.3 kPa) and the volume has increased by a factor of 580. The piston is then held rigidly in place, and the system is heated until the contents are saturated vapor. The system next expands reversibly to 1 m3 at constant pressure. Finally, the system is returned to its initial state in a compression process with heat rejection requiring 1 MJ of work input. Is the cycle a power cycle? Quantify the cycle performance (use an appropriate metric depending on the cycle type).
a gas-turbine power plant operates on a simple brayton cycle with air as the working fluid. the air enters the turbine
the concrete slab of a basement is 11 m long 8 m wide and 0.20m thick. during the winter temperatures are nominally 17
consider a cylinder containing 4 moles of compressed argon to 10 bar and 298 k. the cylinder is housed in a big lab
saturated r-134a vapor at 100of is condensed at constant pressure to a saturated liquid in a closed piston-cylinder
8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..
a thermodynamic cycle consist of i 1-2 constant pressure process with p11.4 bar v1 0.028 m3 w1210.5 kj ii 2-3
a diffuser is a device that the flow of air in order to recover a pressure loss. for the diffuser shown in the attached
a tank of compressed air is at 40 degrees c and 10 atm. 1 third of the gas is removed for inflating a car tire. the
A 4 m diameter sphere is embedded in insulation. The sphere contains a liquid-ice mixture maintained at 0 deg C. The ambient temperature surrounding the insulation is 25 deg C.
Beryllium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.568. If the radius of the Be atom is 0.1143 nm, (a) determine the unit cell volume, and (b) calculate the theoretical density of Be.
Design Engineering: Find Specific Load and Heat Generated Per Minute, A load of 6400 Kg is carried by a journal rotating in a 270 mm bearing diameter and 400 mm long. Find the specific load on the bearing and the heat generated per minute in the b..
an old fashioned glass apothecary jar contains a patent medicine. the neck is closed with a rubber stopper that is 20
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