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Experiment 7: Gas Turbine ( Brayton Cycle Experiment)

Experiment 7: Gas Turbine ( Brayton Cycle Experiment). Brayton Cycle. A thermodynamic cycle that describes the workings of the gas turbine engine 1-2 Isentropic compression 2-3 Isobaric heat addition 3-4 Isentropic expansion 4-1 Isobaric heat rejection. Gas Turbine Engine.

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Experiment 7: Gas Turbine ( Brayton Cycle Experiment)

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  1. Experiment 7:Gas Turbine(Brayton Cycle Experiment) PROF. ALVARADO

  2. Brayton Cycle A thermodynamic cycle that describes the workings of the gas turbine engine 1-2 Isentropic compression 2-3 Isobaric heat addition 3-4 Isentropic expansion 4-1 Isobaric heat rejection PROF. ALVARADO

  3. Gas Turbine Engine PROF. ALVARADO

  4. Parts Name PROF. ALVARADO

  5. Engine Sensor Locations PROF. ALVARADO

  6. Software Control Panel By pressing ”Log data to file”, you’ll be able to save data to excel file. But in the excel file, Pressure and Temperature at 3 and 4 are inversed. Pressure shown here are gage pressure PROF. ALVARADO

  7. Data Analysis 1. Plot the following diagrams: • Compressor Inlet(P1)/Outlet Pressure (P2) vs. Time • Compressor Inlet(T1)/Outlet Temperature(T2) vs. Time • Turbine Inlet(P4)/Outlet Pressure(P3) vs. Time • Turbine Inlet(T4)/Outlet Temperature(T3) vs. Time • RPM vs. Time PROF. ALVARADO

  8. Data Analysis 2. Find T1-T4 and P1-P4 under peak RPM. 3. For the analysis point chosen in #2, find the Specific Enthalpy at each Cycle Point(Using air tables): h1, h2, h4, h3. PROF. ALVARADO

  9. Data Analysis 4.Determine specific work and specific heat transfer: PROF. ALVARADO

  10. Data Analysis 5.Determine the efficiency PROF. ALVARADO

  11. Data Analysis 6. Determine the power of the system PROF. ALVARADO

  12. Gas Turbine Engine Video • http://www.youtube.com/v/kw6nIo5LKqE?autoplay=1&rel=0 PROF. ALVARADO

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