Ulrike Egerer
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View article: Characterization of HRRR-simulated rotor layer wind speeds and clouds along the coast of California
Characterization of HRRR-simulated rotor layer wind speeds and clouds along the coast of California Open
Stratocumulus clouds, with their low cloud base and top, affect the atmospheric boundary layer wind and turbulence profile, thereby modulating wind energy resources. GOES satellite data reveal an abundance of stratocumulus clouds in the la…
View article: Characterization of HRRR simulated Rotor Layer Wind Speeds and Clouds along Coast of California
Characterization of HRRR simulated Rotor Layer Wind Speeds and Clouds along Coast of California Open
Stratocumulus clouds, with their low cloud base and top, affects the atmospheric boundary layer wind and turbulence profile, modulating wind energy resources. GOES satellite data reveals an abundance of stratocumulus clouds in late spring …
View article: Measurement of Wind Loading on Heliostats at the Crescent Dunes Power Plant: An Overview
Measurement of Wind Loading on Heliostats at the Crescent Dunes Power Plant: An Overview Open
The cost of solar collectors constitutes almost one third of the total cost of a CSP plant. One of the ongoing challenges in the design of these collectors is wind loading on mirrors, support structures, and drives. A particular challenge …
View article: Studying Wind Loading on CSP Collectors to Improve Performance and Reliability
Studying Wind Loading on CSP Collectors to Improve Performance and Reliability Open
Electricity generation through Concentrating Solar-thermal Power (CSP) adds the advantage of thermal energy storage and heat production. CSP collector costs constitute nearly one-third of total plant costs. Managing wind loading, especiall…
View article: Dynamic Wind Loading on CSP Collectors Caused by Turbulent Wind Fluctuations: Insights from a 2-Year Field Campaign
Dynamic Wind Loading on CSP Collectors Caused by Turbulent Wind Fluctuations: Insights from a 2-Year Field Campaign Open
Concentrating Solar Power (CSP) is a promising solar technology for electricity generation with thermal energy storage and with the additional benefit of industrial heat production. Wind loading on CSP collector structures, such as parabol…
View article: Field measurements reveal insights into the impact of turbulent wind on loads experienced by parabolic trough solar collectors
Field measurements reveal insights into the impact of turbulent wind on loads experienced by parabolic trough solar collectors Open
To ensure efficient and reliable operation of a concentrating solar-thermal power (CSP) plant, its solar collector field needs to accurately focus sunlight. The optical efficiency and structural integrity of the solar collectors is signifi…
View article: The role of a low-level jet for stirring the stable atmospheric surface layer in the Arctic
The role of a low-level jet for stirring the stable atmospheric surface layer in the Arctic Open
In this study, we analyze the transition of a stable atmospheric boundary layer (ABL) with a low-level jet (LLJ) to a traditional stable ABL with a classic Ekman helix in the late-winter central Arctic. Vertical profiles in the ABL were me…
View article: Assessing the Optical Performance Impact of Tracking Error in an Operational Concentrated Solar Power Plant Using Monte Carlo Ray-Tracing Simulation
Assessing the Optical Performance Impact of Tracking Error in an Operational Concentrated Solar Power Plant Using Monte Carlo Ray-Tracing Simulation Open
Concentrating Solar Power (CSP) provides firm and dispatchable electricity due to its thermal storage and hybridization capabilities, which supports the decarbonization of our energy supply. Of the various CSP technologies, parabolic troug…
View article: Comment on egusphere-2023-567
Comment on egusphere-2023-567 Open
Abstract. In this study, we analyze the transition of a stable atmospheric boundary layer (ABL) with a low-level jet (LLJ) to a traditional stable ABL with a classic Ekman helix in the late-winter central Arctic. Vertical profiles in the A…
View article: Wind Loading on Parabolic Trough Collectors: Wind and Structural Loads Measurements at an Operational Powerplant
Wind Loading on Parabolic Trough Collectors: Wind and Structural Loads Measurements at an Operational Powerplant Open
Concentrated Solar Power (CSP) is a promising method for using solar power for electricity generation with thermal energy storage for industrial applications. Solar collectors constitute almost 1/3 of the total cost of the power plant. One…
View article: The role of a low-level jet for stirring the stable atmospheric surface layer in the Arctic
The role of a low-level jet for stirring the stable atmospheric surface layer in the Arctic Open
In this study, we analyze the transition of a stable atmospheric boundary layer (ABL) with a low-level jet (LLJ) to a traditional stable ABL with a classic Ekman helix in the late-winter central Arctic. Vertical profiles in the ABL were me…
View article: Estimating turbulent energy flux vertical profiles from uncrewed aircraft system measurements: exemplary results for the MOSAiC campaign
Estimating turbulent energy flux vertical profiles from uncrewed aircraft system measurements: exemplary results for the MOSAiC campaign Open
This study analyzes turbulent energy fluxes in the Arctic atmospheric boundary layer (ABL) using measurements with a small uncrewed aircraft system (sUAS). Turbulent fluxes constitute a major part of the atmospheric energy budget and influ…
View article: In Situ Wind and Turbulence Measurements in a Field of Full-Size Parabolic Trough Collectors
In Situ Wind and Turbulence Measurements in a Field of Full-Size Parabolic Trough Collectors Open
Concentrated Solar Power (CSP) is a promising method for using Solar power for electricity generation with thermal energy storage. One of the primary drivers of structural design costs of CSP collector structures is wind loading. To date, …
View article: Reply on RC1
Reply on RC1 Open
Abstract. This study analyzes turbulent energy fluxes in the Arctic atmospheric boundary layer (ABL) using measurements with a small Uncrewed Aircraft System (sUAS). Turbulent fluxes constitute a major part of the atmospheric energy budget…
View article: Reply on RC2
Reply on RC2 Open
Abstract. This study analyzes turbulent energy fluxes in the Arctic atmospheric boundary layer (ABL) using measurements with a small Uncrewed Aircraft System (sUAS). Turbulent fluxes constitute a major part of the atmospheric energy budget…
View article: In Situ Wind and Turbulence Measurements in a Field of Full-Size Parabolic Trough Solar Collectors
In Situ Wind and Turbulence Measurements in a Field of Full-Size Parabolic Trough Solar Collectors Open
Concentrated Solar Power (CSP) is a promising method for using Solar power for electricity generation with thermal energy storage. One of the primary drivers of structural design costs of CSP collector structures is wind loading. To date, …
View article: Comment on amt-2022-314
Comment on amt-2022-314 Open
Abstract. This study analyzes turbulent energy fluxes in the Arctic atmospheric boundary layer (ABL) using measurements with a small Uncrewed Aircraft System (sUAS). Turbulent fluxes constitute a major part of the atmospheric energy budget…
View article: Comment on amt-2022-314
Comment on amt-2022-314 Open
Abstract. This study analyzes turbulent energy fluxes in the Arctic atmospheric boundary layer (ABL) using measurements with a small Uncrewed Aircraft System (sUAS). Turbulent fluxes constitute a major part of the atmospheric energy budget…
View article: Estimating turbulent energy flux vertical profiles from uncrewed aircraft system measurements: Exemplary results for the MOSAiC campaign
Estimating turbulent energy flux vertical profiles from uncrewed aircraft system measurements: Exemplary results for the MOSAiC campaign Open
This study analyzes turbulent energy fluxes in the Arctic atmospheric boundary layer (ABL) using measurements with a small Uncrewed Aircraft System (sUAS). Turbulent fluxes constitute a major part of the atmospheric energy budget and influ…
View article: Atmospheric and Surface Processes, and Feedback Mechanisms Determining Arctic Amplification: A Review of First Results and Prospects of the (AC) 3 Project
Atmospheric and Surface Processes, and Feedback Mechanisms Determining Arctic Amplification: A Review of First Results and Prospects of the (AC) 3 Project Open
International audience
View article: NSO Processing Scripts (NSO wind loading data set processing scripts) [SWR-23-86]
NSO Processing Scripts (NSO wind loading data set processing scripts) [SWR-23-86] Open
NREL conducted comprehensive field measurements of the atmospheric turbulent wind conditions and the resulting structural wind loads on parabolic troughs at the Nevada Solar One plant from October 2021 to June, 2023. The measurement set-up…
View article: Atmospheric and Surface Processes, and Feedback Mechanisms Determining Arctic Amplification: A Review of First Results and Prospects of the (AC)3 Project
Atmospheric and Surface Processes, and Feedback Mechanisms Determining Arctic Amplification: A Review of First Results and Prospects of the (AC)3 Project Open
Mechanisms behind the phenomenon of Arctic amplification are widely discussed. To contribute to this debate, the (AC) 3 project was established in 2016 ( www.ac3-tr.de/ ). It comprises modeling and data analysis efforts as well as observat…
View article: Tethered balloon-borne profile measurements of atmospheric properties in the cloudy atmospheric boundary layer over the Arctic sea ice during MOSAiC: Overview and first results
Tethered balloon-borne profile measurements of atmospheric properties in the cloudy atmospheric boundary layer over the Arctic sea ice during MOSAiC: Overview and first results Open
The tethered balloon-borne measurement system BELUGA (Balloon-bornE moduLar Utility for profilinG the lower Atmosphere) was deployed over the Arctic sea ice for 4 weeks in summer 2020 as part of the Multidisciplinary drifting Observatory f…