Ben Bernstein

Comparing Precipitation Particle Sizes and Phases from the Surface to Aloft during the In-Cloud Icing and Large-Drop Experiment (ICICLE)

Darcy Jacobson, Scott Landolt, Stephanie DiVito, Ben Bernstein et autres

Abstract Precipitation sizes and types can vary significantly throughout an airport’s terminal airspace and pose a significant threat to aircraft safety. When an aircraft encounters supercooled drops, ice can accrete on the critical surfaces of the plane, resulting in decreased performance. This …

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Airborne Observations of Highly Variable and Complex Freezing Drizzle and Mixed-Phase Environments

Spencer Faber, Ben Bernstein, Scott Landolt, Darcy Jacobson et autres

Abstract Airframe icing caused by interactions with supercooled cloud droplets and precipitation can pose a risk to aviation operations and life safety. The In-Cloud Icing and Large-drop Experiment (ICICLE) was conducted in January–March 2019 to capture measurements in freezing conditions in support …

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Occurrence and Properties of Supercooled Large Droplet Icing Conditions in Low and Mid-Level Clouds As Observed During the SENS4ICE Campaigns Over North America and Europe

Johannes Lucke, Tina Jurkat-Witschas, Deniz Menekay, Ben Bernstein et autres

Supercooled large droplet (SLD) icing conditions threaten aviation safety. Two flight campaigns in SLD conditions were performed in February-March 2023 in the Great Lakes region and in April 2023 over France as part of the EU-project SENS4ICE. This provides the opportunity to …

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Overview of Cloud Microphysical Measurements during the SENS4ICE Airborne Test Campaigns: Contrasting Icing Frequencies from Climatological Data to First Results from Airborne Observations

Tina Jurkat-Witschas, Johannes Lucke, Carsten Schwarz, Christoph Deiler et autres

The European Union’s Horizon 2020 programme has funded the SENS4ICE (Sensors for Certifiable Hybrid Architectures for Safer Aviation in Icing Environment) project [1], an innovative approach for the development and testing of new sensors for the detection of supercooled large droplets (SLD). …

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Multivariable Characterization of Atmospheric Environment with Data Collected in Flight

Aliia Shakirova, Leonid Nichman, Nabil Belacel, Cuong Manh Nguyen et autres

The In-Cloud Icing and Large-drop Experiment (ICICLE) flight campaign, led by the United States Federal Aviation Administration, was conducted in the geographical region over US Midwest and Western Great Lakes, between January and March 2019, with the aim to collect atmospheric data …

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LAPS–LOWICE: A Real-Time System for the Assessment of Low-Level Icing Conditions and Their Effect on Wind Power

Erik Gregow, Ben Bernstein, Ian L. Wittmeyer, J. Hirvonen

Abstract The wind power industry is highly sensitive to weather, and there is a clear impact on turbine efficiency associated with icing, which can cause significant power losses and even result in the total shutdown of wind farms. Therefore, accurate analyses and …

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Ice Fog in Arctic During FRAM–Ice Fog Project: Aviation and Nowcasting Applications

Ismail Gültepe, Thomas Kühn, Michael J. Pavolonis, Corey Calvert et autres

Ice fog and frost occur commonly (at least 26% of the time) in the northern latitudes and Arctic regions during winter at temperatures usually less than about –15°C. Ice fog is strongly related to frost formation—a major aviation hazard in the northern …

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An Examination of Aircraft Icing Conditions Associated with Cold Fronts

Cory A. Wolff, Frank McDonough, Ben Bernstein

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Flight Tests in Natural Icing of the PZL Mielec M28 Commuter Turboprop Airplane

Mariusz Kubryn, Robert J. Flemming, Ben Bernstein, Janusz Pietruszka

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ADF/Cofilin-Actin Rods in Neurodegenerative Diseases

James R. Bamburg, Ben Bernstein, R.C. Davis, Kevin C. Flynn et autres

Dephosphorylation (activation) of cofilin, an actin binding protein, is stimulated by initiators of neuronal dysfunction and degeneration including oxidative stress, excitotoxic glutamate, ischemia, and soluble forms of beta-amyloid peptide (Abeta). Hyperactive cofilin forms rod-shaped cofilin-saturated actin filament bundles (rods). Other proteins are …

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Aviation Applications for Satellite-Based Observations of Cloud Properties, Convection Initiation, In-Flight Icing, Turbulence, and Volcanic Ash

John R. Mecikalski, Wayne F. Feltz, David B. Johnson, Kristopher M. Bedka et autres

Advanced Satellite Aviation Weather Products (ASAP) was jointly initiated by the NASA Applied Sciences Program and the NASA Aviation Safety and Security Program in 2002. The initiative provides a valuable bridge for transitioning new and existing satellite information and products into Federal …

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Characterization of Satellite-derived Cloud Products for Application in an Aircraft Icing Prediction System

Julie A. Haggerty, Scott Landolt, Cory A. Wolff, Jean-Robert Simard et autres

Cloud properties as derived from the Geostationary Operational Environmental Satellite (GOES) Imager are evaluated for their ability to detect supercooled liquid clouds that may produce aircraft icing. Assessment methods include point comparisons with in situ measurements and statistical characterization of image uniformity …

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