مورد إلكتروني
Low-frequency laboratory measurements of the elastic properties of solids using a distributed acoustic sensing system
| العنوان: | Low-frequency laboratory measurements of the elastic properties of solids using a distributed acoustic sensing system |
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| المصدر: | Research outputs 2022 to 2026 |
| بيانات النشر: | Edith Cowan University, Edith Cowan University, Research Online, Perth, Western Australia, Perth, Western Australia 2023-09-01T07:00:00Z |
| تفاصيل مُضافة: | Mikhaltsevitch, Vassily Lebedev, Maxim Pevzner, Roman Yurikov, Alexey Tertyshnikov, Konstantin |
| نوع الوثيقة: | Electronic Resource |
| مستخلص: | In recent decades, low-frequency (LF) experiments based on the forced-oscillation (FO) method have become common practice in many rock physics laboratories for measuring the elastic and anelastic properties of rocks. However, the use of the electronic displacement sensors in traditional acquisition systems of FO devices such as conventional capacitive transducers or strain gauges seriously limits both the efficiency and productivity of LF measurements, and, due to the limited contact area of the displacement sensors with a sample under test, increases the requirements for sample homogeneity. In this paper, we present the first results obtained in the development of a new laboratory method elaborated to measure the elastic properties of solids. The method is a further development of the FO method where traditional data acquisition is replaced by acquisition based on fiber-optic distributed acoustic sensing (DAS) technology. The new method was tested in a laboratory study using two FO setups designed for measurements under uniaxial and confining pressures. The study was carried out on a sample made from polymethyl methacrylate (PMMA) and an aluminium standard, first under uniaxial pressure at FO frequencies of 1, 10, 30, 60 and 100 Hz, and then under confining pressure at an FO frequency of 1 Hz. Both uniaxial and confining pressures were equal to 10 MPa, and the strain in the PMMA sample in all measurements did not exceed 4 × 10-8. The performance of DAS acquisition was compared with the measurements conducted at a strain of 1 × 10-6 using the traditional FO method based on the use of semiconductor strain gauges and the ultrasonic method. The results of the DAS measurements are in good agreement with the FO measurements carried out using semiconductor strain gauges and with the literature data. |
| مصطلحات الفهرس: | Acoustic properties, Elasticity and anelasticity, Fourier analysis, Wave propagation, Engineering, text |
| URL: | |
| الإتاحة: | Open access content. Open access content http://creativecommons.org/licenses/by-nc-nd/4.0Test |
| ملاحظة: | application/pdf Research outputs 2022 to 2026 |
| أرقام أخرى: | ER0 oai:ro.ecu.edu.au:ecuworks2022-2026-4019 https://ro.ecu.edu.au/ecuworks2022-2026/3019Test info:doi/10.1016/j.jrmge.2023.05.002 https://ro.ecu.edu.au/context/ecuworks2022-2026/article/4019/viewcontent/Low_frequency_20laboratory_20measurements_20of_20the_20elastic_20properties.pdfTest 1406397053 |
| المصدر المساهم: | EDITH COWAN UNIV LIBR From OAIster®, provided by the OCLC Cooperative. |
| رقم الانضمام: | edsoai.on1406397053 |
| قاعدة البيانات: | OAIster |
| الوصف غير متاح. |