Applying Electrical Impedance Tomography Techniques for Detection of Decay Inside Trees

• Autorzy: Kieu Duy Thong , Vu Hong Duong , Nguyen Thi Thu Hang , Nguyen Thu Thuy

Identyfikatory

DOI

10.29227/IM-2021-02-03

• Języki publikacji: EN

Abstrakty

EN

Trees play a critical role in creating green spaces in public areas such as streets, parks, schools, offices. Over time, the trees often get pests and diseases, and then rotten trees can break. To care for and conserve the trees, it is necessary to determine the condition inside the trunk, especially the possibility of having a hollow or not. Wood decay, modifications of moisture and ion content, density due to biotic and abiotic stress agents of water extremity, salinity, and infection strongly change (di-) electrical properties of wood. Hence, we propose to use electrical impedance tomography to detect the change in electrical properties inside the trees that can link to wood decay. In electrical impedance tomography, an array of electrodes is attached around the tree trunk, and small alternating currents are injected via these electrodes, so the resulting voltages are measured. Processing the data, we can construct the spatial distribution of impedance (or resistivity) of the object. In this work, we will present the preliminary results of our group research. We will show theoretical forward modeling results, followed by laboratory experiments and real data application. The results illustrate that electrical impedance tomography can be useful to define several decay scenarios inside the trees.

Słowa kluczowe

EN

electrical impedance tomography; tree investigation; resistivity; conductivity

PL

impedancja; przewodnictwo; opór elektryczny

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2021
• Tom: no. 2
• Strony: 31--40
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.,zdj.

Twórcy

autor

Kieu Duy Thong

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Vu Hong Duong

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Nguyen Thi Thu Hang

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Nguyen Thu Thuy

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).