How can you increase the thermal efficiency of a Rankine Cycle?
The overall effect of lowering the condenser pressure is an increase in the thermal efficiency of the cycle. The average temperature at which heat is added to the steam can be increased without increasing the boiler pressure by superheating the steam to high temperatures.
Which of the following increases the thermal efficiency of a Rankine Cycle?
Super Heating The Steam to Higher Temperature Thermal efficiency of the rankine cycle increases on account of increase in steam temperature.
Which of the following ways are often used to increase the efficiency of the Rankine Cycle?
Which of the following ways are often used to increase the efficiency of the Rankine cycle? Decrease the condenser pressure. Heat the steam to a higher pressure. Many modern steam power plants operate above critical pressure to improve the thermal efficiency.
How can the second law efficiency of a simple ideal Rankine cycle be improved?
Increasing the Efficiency of Rankine Cycle That is, to increase the efficiency one should increase the average temperature at which heat is transferred to the working fluid in the boiler, and/or decrease the average temperature at which heat is rejected from the working fluid in the condenser.
What is the Brayton cycle used for?
The Brayton Cycle is a thermodynamic cycle that describes how gas turbines operate. The idea behind the Brayton Cycle is to extract energy from flowing air and fuel to generate usuable work which can be used to power many vehicles by giving them thrust….
Which refrigerant is used in aircraft?
tetrafluoroethane
How do you explain the air cycle?
How does air cycle work? Air cycle refrigeration works on the reverse Brayton or Joule cycle. Air is compressed and then heat removed, this air is then expanded to a lower temperature than before it was compressed. Work must be taken out of the air during the expansion, otherwise the entropy would increase.
Which gas is used in airplane?
Jet fuel (Jet A-1 type aviation fuel, also called JP-1A) is used globally in the turbine engines (jet engines, turboprops) in civil aviation. This is a carefully refined, light petroleum. The fuel type is kerosene. Jet A-1 has a flash point higher than 38°C and a freezing point of -47°C.
Which is the lightest gas?
Hydrogen
What color is jet fuel?
colorless
How many Octane is jet fuel?
15