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An ideal Brayton cycle uses air as a working fluid. The air enters the compressor at 101 kpa and 37 C. The pressure ratio of the compressor is 12:1, and the temperature of the air as it leaves the turbine is 497 C. The temperature and the pressure of the surroundings are 37 C and 100 kpa, respectively. Use the air-standard assumptions and determine the following quantities: (a) The work per unit mass required to operate the compressor; (b) The work per unit mass produced by the turbine; (c) The heat transfer per unit mass during the combustion process and during the exhaust process; (d) The irreversibility of the cycle on a unit-mass basis, assuming the temperature of the low- and high-temperature reservoirs ar 37 C and 1300 C, respectively; (e) The thermal efficiency of the cycle.
The Diamond Structure The diamond cubic structure is a distinctive of materials that have its constituent materials bound in tetrahedral bonds. Insulators like carbon, semicon
why we take large radius of curvature of lens
The vapour pressure of a substance at 20.0 o C is 38.1 kPa and its enthalpy of vaporisation is 49.6 kJ mol -1 . Estimate the temperature at which its vapour pressure is 80.0 k
High Acuity Nursing Care: Issues Paper Purpose: The student nurse will use knowledge gained through class work, clinical, and independent library investigati
Vector Direction The significance of 'direction' could be seen in the dissimilarity among velocity and speed. In physics, speed is a pure scalar or something along with a magni
A 15-kg child experiences an acceleration of 0.25 m/s2 as she is pulled 1.7 m horizontally across the floor by her sister. Calculate the change in the child's kinetic energy.
Draw a circuit diagram of a common emitter amplifier by using n-p-n transistor. Show input and output voltages graphically. The current gain for common emitter amplifier is 59.
derivation of compton effect
The image of a candle is produced by a convex lens on a screen. The lower half of the lens is painted black to make it completely opaque. Illustrate the ray diagram to show the ima
Explain the Schematic Diagrams of Electric Circuits Since figuring out what is happening in a circuit depends upon the way the elements are connected, one of the first hurdles
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