Dopant, coating, and grating effects in silica optical fibers under extreme neutron irradiation
DC Sweeney, CM Petrie - Journal of Non-Crystalline Solids, 2024 - Elsevier
Radiation effects on fiber Bragg gratings (FBGs) have been studied but data gaps related to
the effects of displacement damage resulting from high fast neutron fluence remain. In this …
the effects of displacement damage resulting from high fast neutron fluence remain. In this …
Small-bubble gas injection to mitigate cavitation-induced erosion damage and reduce strain in target vessels at the Spallation Neutron Source
DA McClintock, Y Liu, DR Bruce, DE Winder… - Materials & Design, 2022 - Elsevier
The effectiveness of small-bubble gas injection to mitigate cavitation-induced erosion
damage and decrease strain in Spallation Neutron Source (SNS) target vessels was …
damage and decrease strain in Spallation Neutron Source (SNS) target vessels was …
Model calibration of the liquid mercury spallation target using evolutionary neural networks and sparse polynomial expansions
The mercury constitutive model predicting the strain and stress in the target vessel plays a
central role in improving the lifetime prediction and future target designs of the mercury …
central role in improving the lifetime prediction and future target designs of the mercury …
Fast Interrogation of Single-Fiber Integrated FBG-FP Sensors Based on Programmable Spectrum Acquisition
In situ dynamic/static mixed multiparameter measurement plays an important role in the
condition monitoring of large equipment such as aero-engines and power transformers. For …
condition monitoring of large equipment such as aero-engines and power transformers. For …
Implementing bubbly mercury material model (RP model) in the pulse simulation to predict strain on the Spallation Neutron Source target vessel with gas injection
Abstract The Spallation Neutron Source (SNS) creates neutrons by striking a liquid mercury
target with short pulses of high-energy protons. SNS targets have been operated with helium …
target with short pulses of high-energy protons. SNS targets have been operated with helium …
Radiation hardened beam instrumentations for multi-Mega-Watt beam facilities
K Yonehara - arXiv preprint arXiv:2203.06024, 2022 - arxiv.org
The radiation hardened beam instrumentations workshop was held on February 3rd and 4th,
2022 to identify the technological challenges on the beam instrumentation for multi-Mega …
2022 to identify the technological challenges on the beam instrumentation for multi-Mega …
Assessment of simulated and observed cavitation-induced erosion damage in Spallation Neutron Source target vessels
Cavitation-induced erosion damage in different Spallation Neutron Source (SNS) target
designs are simulated using explicit finite element–based techniques and compared with …
designs are simulated using explicit finite element–based techniques and compared with …
Accurate Strain Sensing with Fiber-Optic Fabry-Perot Sensors based on CNN-LSTM Model
In this work, we proposed a new method of demodulating the spectrum of fiber-optic Fabry–
Perot (FP) strain sensors by employing convolutional neural networks (CNNs) adding long …
Perot (FP) strain sensors by employing convolutional neural networks (CNNs) adding long …
Strain prediction and benchmark with measurement in the Spallation Neutron Source mercury target without gas injection
The 1.4-MW Spallation Neutron Source (SNS) currently operates as the world's highest time-
average power spallation source and uses mercury as the spallation target material. The …
average power spallation source and uses mercury as the spallation target material. The …
Phase Interrogation of Fiber Optic Interferometric Acoustic/Vibration Sensors in Restricted Spectral Ranges
Demodulating interferometric optical fiber sensors within restricted spectral ranges [where
the spectrum fails to cover one free spectral range (FSR)] presents significant challenges. By …
the spectrum fails to cover one free spectral range (FSR)] presents significant challenges. By …