Problem 2. Consider an ideal gas-turbine cycle with two stages of compression and two stages of expansion. The pressure ratio Regenerator across each stage of the compressor and turbine is 4, total pressure ratio is 14. The working fluid is air. The air enters the both stages of the Combustion Reheater chamber Compressor Compressor Turbine I Turbine II compressor at 300 K and the both stages of the turbine at 1400 K. Assume both the compressor have an isentropic efficiency of 85 percent and both the turbine have an isentropic efficiency of 90 percent. The temperature of entering air to the combustion chamber is T5 = 869 K. Assuming constant specific heats, Intercooler Show the cycle on T-s diagram. b. Determine the regenerator effectiveness. Determine the back work of the cycle. d. Determine the thermal efficiency. e. Calculate the mass flow rate of the air circulating in the cycle for the power plant to produce 16 MW of net power. a. с.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.