Explanipedia

Influence of climate change and accidents on perception differs among energy technologies Open

Guillaume L’Her, N. A. Duncan, Hank Jenkins‐Smith, Mark Deinert · 2025

Risk perceptions of energy systems, and their evolution under climate change and after accidents, affect public acceptance of generation technologies. Despite this, little is understood about how such factors impact public perception at di…

Optimizing Prediction Error for Time-dependent Solar Radiation Modeling Open

Dylan McDowell, Aaron Epiney, R.R. Flanagan, Mark Deinert · 2024

Numerical weather forecasting models and statistical methods have found wide use to help power companies estimate renewable output, but better methods are needed, particularly for extended forecasts. Machine learning approaches have been u…

Tracking electricity losses and their perceived causes using nighttime light and social media Open

Samuel W. Kerber, Nicholas A Duncan, Guillaume L’Her, Morgan Bazilian, Chris Elvidge , et al. · 2023

Urban environments are intricate systems where the breakdown of critical infrastructure can impact both the economic and social well-being of communities. Electricity systems hold particular significance, as they are essential for othe inf…

Tracking electricity losses and their perceived causes using nighttime light and social media Open

Samuel W. Kerber, Nicholas A Duncan, Guillaume L’Her, Morgan Bazilian, Chris Elvidge , et al. · 2023

Urban environments are intricate systems where the breakdown of critical infrastructure can impact both the economic and social well-being of communities. Electricity systems hold particular significance, as they are essential for other in…

Transport Resilience and Adaptation to Climate Impacts – A Case Study on Agricultural Transport in Brazil Open

Guillaume L'Her, Amy Schweikert, lucas Eduardo Araujo de Melo, Xavier Alegre, Mark Deinert · 2023

The disruption of transportation systems caused by natural hazards in one region can have significant consequences on the worldwide market for a given good. In various regions of the world, climate change is expected to increase the likeli…

Detecting and quantifying materials in containers utilizing an inverse algorithm with adaptive regularization Open

Mark Deinert, Andrew J. Gilbert, Benjamin S. McDonald, Sean M. Robinson, Ken D. Jarman , et al. · 2023

A method, system and computer program product for automatically detecting and quantifying materials in containers (e.g., luggage, storage containers, equipment or componentry for processing or handling). An X-ray radiograph of a container …

Inverse Method for Noninvasive Material Discrimination with Multienergy X-Ray Radiography Open

Andrew J. Gilbert, Benjamin S. McDonald, Mark Deinert · 2022

Active x-ray inspections have great potential for noninvasive detection of illicit materials. Dual-energy x-ray radiography, in particular, has been used to determine material composition by utilizing the energy-dependence of the x-ray att…

Estimating the Geological Structure and Transport Properties of Denied and Limited Access Sites Open

N. A. Duncan, Mark Deinert · 2022

Onsite measurements are the standard for establishing geological conditions and related transport properties. However, making direct measurements is not always possible, either because a location is too remote, too vast, or access is outri…

Method to Estimate Thermal Transients in Reactors and Determine Their Parameter Sensitivities without a Forward Simulation Open

Sydney A. Holdampf, Andrew Osborne, Mark Deinert · 2022

Thermal response time is an important parameter for the control of fast reactors. Modern thermal hydraulic codes allow for the modeling of transient responses and can also be used to understand the dominant factors that affect them. Howeve…

Estimating the effect of non-pharmaceutical interventions on US SARS-CoV-2 infections in the first year of the pandemic Open

N. A. Duncan, Guillaume L’Her, Andrew Osborne, Sara L. Sawyer, Mark Deinert · 2022

SARS-CoV-2 emerged in late 2019 as a zoonotic infection of humans, and proceeded to cause a worldwide pandemic of historic magnitude. Here, we use a simple epidemiological model and consider the full range of initial estimates from publish…

Mobility, nightlights and air pollution during the early phases of the SARS-CoV-2 pandemic Open

Amy Schweikert, R R Flanagan, J T Bui, Guillaume L’Her, Samuel W. Kerber , et al. · 2022

The SARS-CoV-2 pandemic dramatically shifted daily life in the United States during 2020. The release of high spatial and temporal resolution cell phone data presented a unique opportunity to study the correlation between mobility, electri…

Visualization Tool for Comparing Low-Carbon Energy Options Open

Mark Deinert, Andrew Osborne · 2022

This project developed a web based visualization tool for comparing current and future nuclear fuel cycle options to low-carbon and conventional energy technologies in the United States. While nuclear power is well established as the gold-…

Predicting Depths of Burst at Denied Access Sites Using Bayesian Data Synthesis Open

N. A. Duncan, Marco F. Piazzoli, Mark Deinert · 2021

Anthropogenic radioisotopes are the only definitive signature that a below ground nuclear test has been conducted. The depth at which a test occurs is known to be a critical parameter, affecting not only the migration time for gases to rea…

Stability instability and Hopf bifurcation in fission waves Open

Andrew Osborne, Mark Deinert · 2021

Edward Teller was the first to show that it would be possible for self-propagating fission waves to form in fertile nuclear materials. It is typically assumed that these waves would be asymptotically stable. However, we show here that coup…

Simple method for identifying interdependencies in service delivery in critical infrastructure networks Open

Amy Schweikert, Guillaume L’Her, Mark Deinert · 2021

Detecting Nuclear Materials in Urban Environments Using Mobile Sensor Networks Open

R.R. Flanagan, Logan Brandt, Andrew Osborne, Mark Deinert · 2021

Radiation detectors installed at major ports of entry are a key component of the overall strategy to protect countries from nuclear terrorism. While the goal of deploying these systems is to intercept special nuclear material as it enters …

VALIDATION OF COOLANT THERMAL RESPONSE IN A TRANSIENT FINITE DIFFERENCE THERMAL TRANSPORT MODEL WITH APPLICATIONS TO FAST SPECTRUM REACTORS Open

Sydney A. Holdampf, Andrew Osborne, Mark Deinert · 2021

Transient behavior in nuclear reactors is important in accidents and with reactivity control systems that are driven by thermal feedback. Here, we describe a transient finite difference model for a pin cell system. The fidelity of the mode…

An Intuition Building Tool For Visualizing Coupled Spectral And Burnup Calculations Open

Mark Deinert, K.B. Cady, Joshua Barratt, Erich Schneider · 2020

NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract Visualization of Coupled Spectral and Burnup Calculations: an Intuition-building Tool Erich A. Schneider*, Joshua G. Barratt, K. Bingha…

Stronger Power : Improving Power Sector Resilience to Natural Hazards Open

Claire Nicolas, Jun Rentschler, Virginia Attje Ingrid Albertine Potter Van Loon, Samuel Oguah, Amy Schweikert , et al. · 2019

Finally, it describes how emergency preparedness and disaster recovery encompass not only technical aspects, like asset strengthening or criticality analysis, but also "softer" skills, like governance, regulatory or capacity building, and …

Stronger Power Open

Claire Nicolas, Jun Rentschler, Albertine Potter van Loon, Sam Oguah, Amy Schweikert , et al. · 2019

The power sector is both highly vulnerable to natural hazards and a priority for any country'srecovery and reconstruction. After Hurricane Maria in Puerto Rico in 2017, most of the power gridwas down. One year and tens of billions of dolla…

Reducing Irradiation Damage in a Long-Life Fast Reactor with Spectral Softening Open

Andrew Osborne, Mark Deinert · 2018

Long-life fast reactors receive considerable attention for their potential of using uranium efficiently, and because they can operate for extended periods without refueling. However, the main obstacle to achieving maximum operating times a…

Reducing Actinide Production Using Inert Matrix Fuels Open

Mark Deinert · 2017

The environmental and geopolitical problems that surround nuclear power stem largely from the longlived transuranic isotopes of Am, Cm, Np and Pu that are contained in spent nuclear fuel. New methods for transmuting these elements into mor…

Advanced algorithms for radiographic material discrimination and inspection system design Open

Andrew J. Gilbert, Benjamin S. McDonald, Mark Deinert · 2016

Fission waves can oscillate Open

Andrew Osborne, Mark Deinert · 2016

Under the right conditions, self sustaining fission waves can form in fertile nuclear materials. These waves result from the transport and absorption of neutrons and the resulting production of fissile isotopes. When these fission, additio…

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