# Recent questions in Applied Thermodynamics

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# Explain an increases in compressor efficiency due to intercooling and staging. Which one is more effective

Explain an increases in compressor efficiency due to intercooling and staging. Which one is more effective and preferred from your point of view?
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# Gas power cycles

in an air standard Otto cycle, the maximum and minimum temperatures are 1400°C and 15°C respectively. The heat supplied per kilogram of air is 800 kJ. Calculate the compression ratio and thermal efficiency. Calculate also the ratio of maximum to minimum pressures in the cycle. Take: as 0.717 kJ/kgK, and as 1.4
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# Reciprocating internal combustion engines

9.1 An air-standard Otto cycle has a compression ratio of 8.5. At the beginning of compression,p1 100 kPa and T1 300K. The heat addition per unit mass of air is 1400 kJ/kg. Determine (a) the net work, in kJ per kg of air. (b) the thermal efficiency of the cycle.(c) the mean effective pressure, in kPa. (d) the maximum temperature in the cycle, in K.
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