Method of precise sensing channel positioning forϕ-OTDR-based DAS
Y Peng, D Zhang, SC Fu, XL Li… - Measurement Science …, 2023 - iopscience.iop.org
For the applications of distributed acoustic sensing technology (DAS), such as leakage
detection in a pipeline, it is important to precisely identify the sensing channels along a optic …
detection in a pipeline, it is important to precisely identify the sensing channels along a optic …
Leakage localization in an underground pressurized pipeline in steady-state
SAH Sabzevari, SM Javadpour - … Journal of Pressure Vessels and Piping, 2023 - Elsevier
A new easy-to-implement approach based on low sampling rate sensors is proposed to
estimate artificial leakage location in pressurized gas-filled pipelines. The proposed …
estimate artificial leakage location in pressurized gas-filled pipelines. The proposed …
The dynamic response of the water retention curve in unsaturated soils during drainage to acoustic excitations
WC Lo, CC Yang, SY Hsu, CH Chen… - Water Resources …, 2017 - Wiley Online Library
We examined the effects of acoustic excitations on the water retention curve, ie, the
relationship between capillary pressure and water saturation in unsaturated porous media …
relationship between capillary pressure and water saturation in unsaturated porous media …
Effect of soil texture on the propagation and attenuation of acoustic wave at unsaturated conditions
WC Lo, CL Yeh, CT Tsai - Journal of hydrology, 2007 - Elsevier
A central issue in the successful application of acoustic wave method to detect subsurface
hydrological properties is a better understanding of the influence of soil texture on the …
hydrological properties is a better understanding of the influence of soil texture on the …
Effects of acoustic stimulation on fluid flow in porous media
Acoustic waves are mechanical waves that can be generated via vibrations. The use of such
waves for enhancing flow and transport in porous media has some advantages over …
waves for enhancing flow and transport in porous media has some advantages over …
A field-portable acoustic sensing device to measure soil moisture
For the last couple of decades, the idea of soil water measurement has gained widespread
importance due to the spiraling crisis of global water resources. While several methods are …
importance due to the spiraling crisis of global water resources. While several methods are …
Monitoring buried pipe deformation using acoustic emission: quantification of attenuation
Deformation of soil bodies and soil-structure systems generates acoustic emission (AE),
which are high-frequency stress waves. Listening to this AE by coupling sensors to structural …
which are high-frequency stress waves. Listening to this AE by coupling sensors to structural …
Sounds of soil: a new world of interactions under our feet?
Soils are biodiversity-dense and constantly carry chemical flows of information, with our
mental image of soil being dark and quiet. But what if soil biota tap sound, or more generally …
mental image of soil being dark and quiet. But what if soil biota tap sound, or more generally …
[HTML][HTML] Bennu regolith mobilized by TAGSAM: Expectations for the OSIRIS-REx sample collection event and application to understanding naturally ejected particles
EB Bierhaus, JT Songer, BC Clark, RD Dubisher… - Icarus, 2021 - Elsevier
Abstract The Origins, Spectral Interpretation, Resource Identification, and Security–Regolith
Explorer (OSIRIS-REx) mission will collect material from the asteroid Bennu and return it to …
Explorer (OSIRIS-REx) mission will collect material from the asteroid Bennu and return it to …
Codetection of acoustic emissions during failure of heterogeneous media: New perspectives for natural hazard early warning
A simple method for real‐time early warning of gravity‐driven rupture that considers both the
heterogeneity of natural media and characteristics of acoustic emissions attenuation is …
heterogeneity of natural media and characteristics of acoustic emissions attenuation is …