Electro-Impulse De-Icing (EIDI) has been recently developed and tested with very encouraging results. Questions remain, however, regarding the fatigue life and electromagnetic compatibility of the system. Fatigue tests were conducted on two production aluminum wing leading edges and one composite material leading edge. These were done at realistic temperatures and impulse energies for an estimated aircraft lifetime of ice protection. Coil mounting brackets were the main casualties. Wing components did not fail. Tests were also conducted for metal and composite wings of electromagnetic radiation of EIDI over a wide frequency range. The aluminum wing was found to be an excellent shield. All wires external to the aluminum wing were shown to require careful shielding. The composite wing required all wiring and the metal doublers to be shielded and grounded. Keywords: Deicing systems; Aircraft ice protection; Fatigue tests; Electromagnetic interference.
Electro-Impulse De-Icing Research (Fatigue and Electromagnetic Interference Tests)
1989
63 pages
Report
Keine Angabe
Englisch
Aircraft , Structural Mechanics , Radiofrequency Waves , Deicing systems , Electromagnetic interference , Fatigue tests(Mechanics) , Ice prevention , Aluminum , Composite materials , Composite wings , Electrical grounding , Electromagnetic compatibility , Electromagnetic properties , Electromagnetic radiation , Electromagnetic shielding , Fatigue life , Impulse loading , Leading edges , Life expectancy(Service life) , Metals , Mounting brackets , Pulses , Range(Extremes) , Test methods , Wings , Wire , EIDI(Electroimpulse Deicing)
Fatique and Electromagnetic Interference Test for Electro-Impulse De-Icing
SAE Technical Papers | 1989
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