10/13/04 MCEN 5208 Project 2 1 Testing of MEMS based fuel Injection Devices Eric Johnson Project 2 Presentation 1 Advisor: John Daily October 13, 2004

10/13/04MCEN 5208 Project 22 of 6 Background MEMS (Micro-Electro-Mechanical Systems) MEMS (Micro-Electro-Mechanical Systems) Mechanical systems manufactured by etching a silicon wafer Mechanical systems manufactured by etching a silicon wafer First successful devices were sensors First successful devices were sensors Allows further reduction in product size Allows further reduction in product size

10/13/04MCEN 5208 Project 23 of 6 Project Overview Developing a fuel injection device for use in Gas Turbines and Pulse Detonation Engines Developing a fuel injection device for use in Gas Turbines and Pulse Detonation Engines PDE requires vaporized flow PDE requires vaporized flow Project is currently entering the testing phase Project is currently entering the testing phase

10/13/04MCEN 5208 Project 24 of 6 Injector Characteristics Based upon inkjet and MEMS technology Based upon inkjet and MEMS technology Electromagnetic actuated diaphragm for high flow rates and low power usage Electromagnetic actuated diaphragm for high flow rates and low power usage

10/13/04MCEN 5208 Project 25 of 6 Injector Diagram

10/13/04MCEN 5208 Project 26 of 6 Tasks Literature Review Literature Review Design and fabricate wind tunnel testing apparatus for fuel injection device Design and fabricate wind tunnel testing apparatus for fuel injection device Conduct particle size and dispersion testing using a Malvern Conduct particle size and dispersion testing using a Malvern Consolidate results and assist in analysis Consolidate results and assist in analysis