Parametric Evaluation of Absorption Losses and Comparison of Numerical Results to Boeing 707 Aircraft Experimental HIRF Results

Kitaygorsky, J.; Amburgey, Christel; Elliott, J. R.; Fisher, Robert J.

doi:10.1007/978-1-4614-9500-0_15

Cited by 1 publication

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“…In the presentation [19] simulation results for individual monitor locations showed increased internal levels. Averaged data show a low attenuation for an empty aircraft.…”

Section: Internal Fields Comparisons To Available Datamentioning

confidence: 92%

HIRF Transfer Function Observations: Notes on Results Versus Requirements and Certification Approach

Rasek¹,

Schröder

Tobola

et al. 2015

IEEE Trans. Electromagn. Compat.

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HIRF transfer functions results are rarely available to the public. Generally, the data provided in applicable guidance material are used for estimation of internal HIRF environment in an air vehicle. An exemplary set of HIRF transfer functions for a small aircraft is presented here. Results for the aircraft (10.4-m wingspan and 8.3 m of length) are compared with regard to state of the art approaches applied for aircraft HIRF certification campaigns. This is done in appropriate frequency ranges and by the use of applicable test methods with regard to requirements in place. For all major types of contemporary test methods, results are generated by measurement and numerical computer modeling. Principles of outcomes are discussed and compared to current practice in place. This concerns the shapes of the transfer functions on one hand and the order of magnitudes of obtained levels on the other hand. The obtained results show significant deviations from generic transfer functions currently applied in aircraft industry. The coupling to the interior of the aircraft observed here was higher than indicated by the applicable generic transfer functions. Numerical computer modeling is used here to verify the obtained outcomes by principle.Index Terms-Direct current injection (DCI), high intensity radiated fields (HIRF), low level direct drive (LLDD), low level swept current (LLSC), low level swept field (LLSF), method of moments (MoM).

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“…In the presentation [19] simulation results for individual monitor locations showed increased internal levels. Averaged data show a low attenuation for an empty aircraft.…”

Section: Internal Fields Comparisons To Available Datamentioning

confidence: 92%