Robert P. Mueller
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View article: Simulation-Based Inference of Cell Migration Dynamics in Complex Spatial Environments
Simulation-Based Inference of Cell Migration Dynamics in Complex Spatial Environments Open
To assess cell migration in complex spatial environments, microfabricated chips, such as mazes and pillar forests, are routinely used to impose spatial and mechanical constraints, and cell trajectories are followed within these structures …
View article: A scientific framework for sustainable hydropower with improved fish passage
A scientific framework for sustainable hydropower with improved fish passage Open
Hydropower is a crucial renewable energy source with numerous advantages beyond clean energy, including improved river navigation, increased reliability of the grid, and access to water for agriculture. As many turbines reach their expecte…
View article: Handling and Tagging Techniques for Implanting Juvenile American Shad with a New Acoustic Microtransmitter
Handling and Tagging Techniques for Implanting Juvenile American Shad with a New Acoustic Microtransmitter Open
The use of telemetry techniques to better understand the behavior and survival of juvenile American shad (Alosa sapidissima), as they migrate through hydropower systems, has been challenging because shad are widely known to be particularly…
View article: Safe passage of American Eels through a novel hydropower turbine
Safe passage of American Eels through a novel hydropower turbine Open
Objective Study the effects of downstream passage through a novel turbine designed for fish safety, the Restoration Hydro Turbine (RHT), on American Eels Anguilla rostrata in a recirculating turbine test facility. Methods A 55‐cm‐diameter …
View article: Fish Diversion Material and Inspection Improvements-Fish Protection Prize (PNNL CRADA No. 491, Amendment 1 with Prometheus Innovations, LLC)
Fish Diversion Material and Inspection Improvements-Fish Protection Prize (PNNL CRADA No. 491, Amendment 1 with Prometheus Innovations, LLC) Open
This report summarizes progress by an external entity (Prometheus Innovations LLC) that collaborated with PNNL on furthering the commercialization of materials science technologies to improve visibility of underwater netting for fish prote…
View article: Capabilities of an Acoustic Camera to Inform Fish Collision Risk with Current Energy Converter Turbines
Capabilities of an Acoustic Camera to Inform Fish Collision Risk with Current Energy Converter Turbines Open
A diversified energy portfolio may include marine energy in the form of current energy converters (CECs) such as tidal or in-river turbines. New technology development in the research stage typically requires monitoring for environmental e…
View article: Making a Deal with the Devilfish: Biometric-Informed Screening Technology CRADA - 514 (Final Report)
Making a Deal with the Devilfish: Biometric-Informed Screening Technology CRADA - 514 (Final Report) Open
This report documents an investigation into the performance of a novel fish-protection screen intended to prevent small aquatic and marine organisms from entering water intakes in free-flowing water bodies. The proposed prototype screen re…
View article: Deep Learning for Automated Detection and Identification of Migrating American Eel Anguilla rostrata from Imaging Sonar Data
Deep Learning for Automated Detection and Identification of Migrating American Eel Anguilla rostrata from Imaging Sonar Data Open
Adult American eels (Anguilla rostrata) are vulnerable to hydropower turbine mortality during outmigration from growth habitat in inland waters to the ocean where they spawn. Imaging sonar is a reliable and proven technology for monitoring…
View article: Mars Reconnaissance: Civil Engineering Advances for Human Exploration
Mars Reconnaissance: Civil Engineering Advances for Human Exploration Open
Whitepaper #515 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: Mars; other: Technologies for Human Exploration; other science themes: Regolith and Subsurface Geology
View article: Biological Response Models: Predicting Injury and Mortality of Fish During Downstream Passage through Hydropower Facilities
Biological Response Models: Predicting Injury and Mortality of Fish During Downstream Passage through Hydropower Facilities Open
This report describes the U.S. Department of Energy’s HydroPASSAGE project efforts to develop and collect biological response models for integration into the Biological Performance Assessment (BioPA) toolset and the Hydropower Biological E…
View article: Evaluation of a Surface Spill Operation to Return Adult Steelhead Overshoots Downstream of McNary Dam
Evaluation of a Surface Spill Operation to Return Adult Steelhead Overshoots Downstream of McNary Dam Open
This study, funded by the U.S. Army Corps of Engineers (USACE), was conducted by the Pacific Northwest National Laboratory to evaluate the efficacy of operating one Top Spill Weir (TSW) at McNary Dam outside the normal TSW operation dates …
View article: American eel resilience to simulated fluid shear associated with passage through hydroelectric turbines
American eel resilience to simulated fluid shear associated with passage through hydroelectric turbines Open
American eel ( Anguilla rostrata ) populations have declined within their native range along the eastern coast of North America due to factors such as commercial fishing, habitat alteration, and dams. American eel are catadromous fish spec…
View article: 2020 State of the Science Report, Chapter 10: Environmental Monitoring Technologies and Techniques for Detecting Interactions of Marine Animals with Turbines
2020 State of the Science Report, Chapter 10: Environmental Monitoring Technologies and Techniques for Detecting Interactions of Marine Animals with Turbines Open
The greatest potential risk from turbine operation continues to be perceived by regulators and other stakeholders to be that of marine animals colliding with turbine blades. These potential interactions are the most difficult to observe us…
View article: Chapter 10 Supplement. Environmental Monitoring Technologies and Techniques for Detecting Interactions of Marine Animals with Marine Renewable Energy Devices
Chapter 10 Supplement. Environmental Monitoring Technologies and Techniques for Detecting Interactions of Marine Animals with Marine Renewable Energy Devices Open
The Chapter 10 Supplementary Material provides information on instrument classes used for monitoring marine renewable energy devices such as passive acoustics, active acoustics, and video cameras. It also describes the applications and cha…
View article: The Susceptibility of Juvenile American Shad to Rapid Decompression and Fluid Shear Exposure Associated with Simulated Hydroturbine Passage
The Susceptibility of Juvenile American Shad to Rapid Decompression and Fluid Shear Exposure Associated with Simulated Hydroturbine Passage Open
Throughout many areas of their native range, American shad (Alosa sapidissima) and other Alosine populations are in decline. Though several conditions have influenced these declines, hydropower facilities have had significant negative effe…
View article: Bridging the Gap between Laboratory and Field Experiments in American Eel Detection Using Transfer Learning and Convolutional Neural Network
Bridging the Gap between Laboratory and Field Experiments in American Eel Detection Using Transfer Learning and Convolutional Neural Network Open
An automatic system that utilizes data analytics and machine learning to identify adult American eel in data obtained by imaging sonars is created in this study. Wavelet transform has been applied to de-noise the ARIS sonar data and a conv…
View article: NASA Swamp Works at Kennedy Space Center: Advanced Technology Development
NASA Swamp Works at Kennedy Space Center: Advanced Technology Development Open
The American Concrete Institution (ACI) Universidad de Cuenca Chapter, from Ecuador, is pleased to inform you that Mr. Rob Mueller, Director of Swamp Works, is invited to our academic event named II International Symposium of Cement and Co…
View article: Deep Neural Baselines for Computational Paralinguistics
Deep Neural Baselines for Computational Paralinguistics Open
Detecting sleepiness from spoken language is an ambitious task, which is addressed by the Interspeech 2019 Computational Paralinguistics Challenge (ComParE). We propose an end-to-end deep learning approach to detect and classify patterns r…
View article: Fish Response to Turbulence Generated Using Multiple Randomly Actuated Synthetic Jet Arrays
Fish Response to Turbulence Generated Using Multiple Randomly Actuated Synthetic Jet Arrays Open
Hydroelectric power stations generate turbulent flow conditions, which represent a potentially significant hydraulic stressor to fish passing through the turbine system. A test facility has been developed using two randomly actuated synthe…
View article: Correction: Harding, S.F., et al. Experimental Observation of Inertial Particles through Idealized Hydroturbine Distributor Geometry. Water 2019, 11, 471
Correction: Harding, S.F., et al. Experimental Observation of Inertial Particles through Idealized Hydroturbine Distributor Geometry. Water 2019, 11, 471 Open
The authors wish to make the following corrections to their paper [...]
View article: Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel
Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel Open
Juvenile Pacific Lamprey and American eels were used for laboratory evaluations to determine potential effects from tag implantation. Telemetry technology has been identified as a way to obtain more detailed information on movement and beh…
View article: Experimental Observation of Inertial Particles through Idealized Hydroturbine Distributor Geometry
Experimental Observation of Inertial Particles through Idealized Hydroturbine Distributor Geometry Open
To increase and maintain existing hydropower capacity within biological performance-based regulations, predictive simulation methods are needed that can reliably estimate the risk to fish passing through flow passage routes at hydropower f…