Inductive Sensor for Lightning Current Measurement, Fitted in Aircraft Windows—Part I: Analysis for a Circular Window

Deursen, A.P.J. van; Stelmashuk, V.

doi:10.1109/jsen.2010.2055558

Cited by 15 publications

(10 citation statements)

References 6 publications

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“…Its main goals are to measure lightning strike parameters, to determine entry and exit points on the aircraft structure, and to assess the possible structural damage. It was comprehensively described in a series of publications (de Boer et al, ; Hervé et al, ; Stelmashuk et al, , ; van Deursen, ; van Deursen & Stelmashuk, ; Zwemmer et al, ). The ILDAS system was extended with two LaBr3 40 × 40 mm 2 cylindrical scintillation detectors.…”

Section: Instrument and Datamentioning

confidence: 99%

In‐Flight Observation of Gamma Ray Glows by ILDAS

et al. 2017

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An Airbus A340 aircraft flew over Northern Australia with the In‐Flight Lightning Damage Assessment System (ILDAS) installed onboard. A long‐duration gamma ray emission was detected. The most intense emission was observed at 12 km altitude and lasted for 20 s. Its intensity was 20 times the background counts, and it was abruptly terminated by a distant lightning flash. In this work we reconstruct the aircraft path and event timeline. The glow‐terminating flash triggered a discharge from the aircraft wing that was recorded by a video camera operating onboard. Another count rate increase was observed 6 min later and lasted for 30 s. The lightning activity as reported by ground networks in this region was analyzed. The measured spectra characteristics of the emission were estimated.

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Section: Instrument and Datamentioning

confidence: 99%

In‐Flight Observation of Gamma Ray Glows by ILDAS

et al. 2017

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“…In this paper, a numerical method-of-moments (MoM) model provides the sensitivity of the sensor placed in the bottom of a rectangular TEM cell. Comparison of the MoM results for a circular opening with the analytical expressions derived in [3] shows agreement to better than 0.2%. The accuracy of the model sensor in an actual window depends on how well the window mounting is described.…”

Section: Introductionmentioning

confidence: 65%

“…A particular sensor was proposed that can be fitted in a window, which is sensitive to the lightning-induced magnetic field along the fuselage. The accompanying paper [3] analyzes the sensitivity of the window sensor for various positions with respect to the assumed circular window opening . There, it became clear that the sensitivity depends on detailed shape of the window metallic parts.…”

Section: Introductionmentioning

confidence: 99%

Inductive Sensor for Lightning Current Measurement, Fitted in Aircraft Windows—Part II: Measurements on an A320 Aircraft

Deursen

2011

IEEE Sensors J.

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DOI to the publisher's website. • The final author version and the galley proof are versions of the publication after peer review. • The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. • Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal. If the publication is distributed under the terms of Article 25fa of the Dutch Copyright Act, indicated by the "Taverne" license above, please follow below link for the End User Agreement:

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“…A is of the same order as the window surface; the analytical solution for a circular window with radius r w is A = r 2 w . A numerical analysis of the window sensor takes the actual shape of the window and the mounting flanges into account [56,54]. Measured and calculated values agreed better than 5% for an aircraft with a thin metallic hull such as an Airbus A320 [54].…”

Section: Ildas H and E Sensorsmentioning

confidence: 94%

In-flight measurements of energetic radiation from lightning and thunderclouds

Kochkin

Deursen

Boer

et al. 2015

J. Phys. D: Appl. Phys.

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Please cite the original paper on IOP Journal of Physics D: Applied Physics arXiv:1509.00997v3 [physics.ao-ph] 30 Oct 2015In-flight measurements of energetic radiation from lightning and thunderclouds 2 Abstract. In the certification procedure aircraft builders carry out so-called icing tests flights, where the zero degree Celsius altitude is deliberately sought and crossed in or under thunderstorms. Airbus also used these flights to test ILDAS, a system aimed to determine lightning severity and attachment points during flight from high speed data on the electric and magnetic field at the aircraft surface. We used this unique opportunity to enhance the ILDAS systems with two x-ray detectors coupled to high speed data recorders in an attempt to determine the x-rays produced by lightning insitu, with synchronous determination of the lightning current distribution and electric field at the aircraft. Such data are of interest in a study of lightning physics. In addition, the data may provide clues to the x-ray dose for personnel and equipment during flights. The icing campaign ran in April 2014; in six flights we collected data of 61 lightning strikes on an Airbus test aircraft. In this communication we briefly describe ILDAS and present selected results on three strikes, two aircraft initiated and one intercepted. Most of the x-rays have been observed synchronous with initiating negative leader steps, and as bursts immediately preceding the current of the recoil process. Those processes include the return stroke. The bursts last one to four microsecond and attain x-ray energies up to 10 MeV. Intensity and spectral distribution of the x-rays and the association with the current distribution are discussed. ILDAS also continuously records x-rays at low resolution in time and amplitude.

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Inductive Sensor for Lightning Current Measurement, Fitted in Aircraft Windows—Part I: Analysis for a Circular Window

Cited by 15 publications

References 6 publications

In‐Flight Observation of Gamma Ray Glows by ILDAS

In‐Flight Observation of Gamma Ray Glows by ILDAS

Inductive Sensor for Lightning Current Measurement, Fitted in Aircraft Windows—Part II: Measurements on an A320 Aircraft

In-flight measurements of energetic radiation from lightning and thunderclouds

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