A closed system consisting of 3lb of a gas undergoes a process during which the relation between pressure and volume is pVn = constant. The process begins with p1 = 15 lbf/in², ν1 = 1.25 ft³/lb and ends with p2 = 46 lbf/in², ν2 = 0.5 ft³/lb. Determine:

a. The volume, in ft³, occupied by the gas at states 1 and 2
b. The value of n.
c. Sketch Process 1-2 on pressurevolume coordinates.

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?

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