Computerized Micro Jet Engine Test Facility
Transcription
Computerized Micro Jet Engine Test Facility
Computerized Micro Jet Engine Test Facility Flexible test bed for experiments Vladimir Krapp ● Yeshayahu Levy ● Eliyahu Mashiah Turbo and Jet Engine Laboratory Technion 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Technion – Israel www. jet‐engine‐lab.technion.ac.il • Basic physics similar to full scale engines • Education • UAVs • Fun 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Why micro‐jets? Turbo and Jet Engine Laboratory Technion – Israel 2 www. jet‐engine‐lab.technion.ac.il 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Technion – Israel 3 www. jet‐engine‐lab.technion.ac.il • Measurements of engine performance • Integrated control of operation and data acquisition • Easy expandability with additional equipment 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel System Capabilities Turbo and Jet Engine Laboratory Technion – Israel 4 www. jet‐engine‐lab.technion.ac.il Engine on test stand Control devices Sensors PC running LabVIEW software Data acquisition and control hardware 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel System Components Turbo and Jet Engine Laboratory Technion – Israel 5 www. jet‐engine‐lab.technion.ac.il • Representative of the whole category of micro‐jets • Used in scale models, as well as in some less conventional applications • Diameter: 130mm • Length: 267mm • Max. Thrust: 230N 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel AMT Olympus engine Turbo and Jet Engine Laboratory Technion – Israel 6 www. jet‐engine‐lab.technion.ac.il • • • • • Single spool Radial compressor Axial turbine Pressure ratio: 4:1 Max. RPM: 108,000 • Compressed air start‐up • Propane gas pre‐heating • Evaporators 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel AMT Olympus engine Turbo and Jet Engine Laboratory Technion – Israel 7 www. jet‐engine‐lab.technion.ac.il Measurement points T4 T3 T5 Temperature Measurement Pressure Measurement P05 P04 P03 P3 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel AMT Olympus engine Turbo and Jet Engine Laboratory Technion – Israel 8 www. jet‐engine‐lab.technion.ac.il Sensors Load cell T4 T3 T5 Thermocouple RPM sensor Analog Voltage Signal Pulse Counter P05 Turbine Fuel Flow Meter 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel P04 P03 P3 AMT Olympus engine Turbo and Jet Engine Laboratory Technion – Israel 9 www. jet‐engine‐lab.technion.ac.il • • • • Graphical programming language Evolved specifically for measurement and control Rapid software development GUI inherent in program 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel LabVIEW control software 10 Turbo and Jet Engine Laboratory Technion – Israel www. jet‐engine‐lab.technion.ac.il Program Front Panel 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel LabVIEW control software 11 Turbo and Jet Engine Laboratory Technion – Israel www. jet‐engine‐lab.technion.ac.il Measurement of exhaust jet flow parameters Pitot tube Gas Probe Probe Thermocouple Jet direction Engine Jet 500mm Section B ‐X Y a xis Section A is X ax October 7 2010, Technion, Istarel Experiment Y Engine Exhaust Traverse arms 9th Israeli Symposium on Jet Engines and Gas Turbines, 100mm Turbo and Jet Engine Laboratory Technion – Israel 12 www. jet‐engine‐lab.technion.ac.il Pitot tube Thermocouple Gas Probe Portable Gas Analyzer Thermocouple Reader Pressure Transducer 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Experiment: probe setup Technion – Israel 13 www. jet‐engine‐lab.technion.ac.il P(bar) T(° ) Jet direction Test section 100mm Engine Exhaust 80K RPM 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Jet profile, 100mm downstream Technion – Israel 14 www. jet‐engine‐lab.technion.ac.il Jet direction Test section 100mm Engine Exhaust 80K RPM 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Jet profile, 100mm downstream Technion – Israel 15 www. jet‐engine‐lab.technion.ac.il T(° ) Jet direction Engine Exhaust Test section 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Jet temperature along axis , various RPM Turbo and Jet Engine Laboratory Technion – Israel 16 www. jet‐engine‐lab.technion.ac.il P(bar) Jet direction Engine Exhaust Test section 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Jet pressure along axis, various RPM Turbo and Jet Engine Laboratory Technion – Israel 17 www. jet‐engine‐lab.technion.ac.il Comparison of theory and test result Jet temperature along axis 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Free jet theory and comparison to test Technion – Israel 18 www. jet‐engine‐lab.technion.ac.il Comparison of theory and test result Jet temperature – 500mm downstream 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Free jet theory and comparison to test Technion – Israel 19 www. jet‐engine‐lab.technion.ac.il Intensity of IR radiation level High T(° ) Low 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Thermal imaging of jet Technion – Israel 20 www. jet‐engine‐lab.technion.ac.il cRIO – reconfigurable input/output system Includes a real time capable controller, with interchangeable I/O modules: analog and digital input and output thermocouple input step motor controller etc. cRIO Various input and output modules 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel 2nd generation test stand electronics box: Integrating power supplies, connection routing, data acquisition device (cRIO) Future development Turbo and Jet Engine Laboratory Technion – Israel 21 www. jet‐engine‐lab.technion.ac.il Inlet Obstruction testing A custom made inlet with attachable flow disruption rings. Examination of flow inside the inlet is made via pitot tube. Aim of project is to examine effect of inlet obstructions on the engine operation parameters Exhaust options The Olympus engine allows for different exhaust options, such as noise reduction devices (above) or a reheat section. 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Future development Turbo and Jet Engine Laboratory Technion – Israel 22 www. jet‐engine‐lab.technion.ac.il • A test bench was built with the capability to study the characteristics of various micro‐turbine engines • The system built is highly modular and flexible • Useful experiments have already been performed • Much is yet to be done, and we’ll be glad to cooperate on this matter 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Summary Turbo and Jet Engine Laboratory Technion – Israel 23 www. jet‐engine‐lab.technion.ac.il Questions? 9th Israeli Symposium on Jet Engines and Gas Turbines, October 7 2010, Technion, Istarel Turbo and Jet Engine Laboratory Technion – Israel 24 www. jet‐engine‐lab.technion.ac.il