Engineering, 12.11.2019 04:31, thelukp7fihp

# Asystem executes a power cycle while receiving 750 kj by heat transfer at a temperature of 1500 k and discharging 100 kj by heat transfer at a temperature of 500 k. another heat transfer from the system occurs at a temperature of 1000 k. determine the thermal efficiency if = 0.1 /kk.

Answers: 3

Engineering, 04.07.2019 18:10, agpraga23ovv65c

Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.

Answers: 2

Engineering, 04.07.2019 18:20, maustin5323

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]

Answers: 1

Engineering, 04.07.2019 18:20, kendrawalraven

The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?

Answers: 3

Asystem executes a power cycle while receiving 750 kj by heat transfer at a temperature of 1500 k an...

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