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1 A simple cycle stationary gas turbine has compressor and turbine efficiencies of 0.85 and 0.9, respectively, and a compressor pressure ratio of 20. Determine the work of the compressor and the turbine, the net work, the turbine exit temperature, and the thermal efficiency for 20 °C ambient and 1200 00 turbine inlet temperatures.
the irreversible gas phase reaction a --gt 2b is conducted in an isothermal batch reactor. the reactor is charged with
a 1 foot square 14 inch thick piece of oak floats in a large pool of water. the convective heat transfer coefficients
A high-performance automotive driveshaft is to be made of a 4-inch outer diameter 6061-T6 Aluminium tube. The shaft is to transmit 500 hp at 3000 rpm and requires a minimum factor of Safety against a shear yield failure of 3.0. Objective:
helium at 810 r 45 ibfin2 and a velovity of 10 fts enters an insulated nozzle operating at steady state and exits at
a machine component is made of 2024-t4 aluminum. the external loads produce highest operating principle stresses that
An ideal/calorically perfect gas enters a constant-area heater at a Mach number of 0.20, a total pressure of 700 kPa, and a total temp of 500K. A heat interaction of 1030 kJ/kg into the gas occurs. Determine the Mach number, total pressure (kPa), sta..
two moles of nitrogen are initially at 10 bar and 600 k state 1 in a horizontal pistoncylinder device. they are
A fluid flows through a horizontal annular channel between concentric tubes at a rate of 0.01 m3/s (the absolute roughness of each tube is 1.5 x 10-6 m). The channel (shown in the accompanying figure) has an inner diameter of 25 cm, an outer diameter..
Within the last month, the raw material price and consumable price combined has increased by 5.5%. If the throughput was 5 parts/hour estimates the future throughput that has to take place in order to maintain a constant production cost. Consider the..
a bucket packed with 12 - inch diameter steel balls weighs 50 pound. when packed with 116-inch diameter steel balls the
air at 80f and standard atmospheric pressure flows through a furnace filter with an average velocity of 2.4 fts. the
A piston-cylinder contains 0.1 kg of superheated steam at 180?C and 5.0 bars. The piston is frictionless and freely floating. Heat is added until the final volume is twice the initial volume. What is the work done on or by the steam?
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