Results 31 to 40 of about 2,445,443 (387)

Analysis of Dam Overtopping Failure Risks Caused by Landslide-Induced Surges Considering Spatial Variability of Material Parameters

Frontiers in Earth Science, 2021
Many of the existing reservoir dams are constructed in alpine and gorge regions, where the topography and geological conditions are complicated, bank slopes are steep, and landslides have a high potential to occur.
Kai Dong, Kai Dong, Kai Dong, Zefa Li, Zefa Li, Xiang Lu, Xiang Lu, Chen Chen, Chen Chen, Jinbao Sheng, Jiankang Chen, Jiankang Chen, Zhenyu Wu, Zhenyu Wu   +13 more
doaj   +1 more source

Assessing the hospital surge capacity of the Kenyan health system in the face of the COVID-19 pandemic

medRxiv, 2020
Introduction The COVID-19 pandemic will test the capacity of health systems worldwide. Health systems will need surge capacity to absorb acute increases in caseload due to the pandemic.
E. Barasa, P. Ouma, E. Okiro
semanticscholar   +1 more source

Investigation of Vaned-Recessed Casing Treatment in a Low-Speed Axial Flow Compressor, Part I: Time-Averaged Results

Aerospace, 2023
This paper investigates the effects of two modifications to a vaned recessed casing treatment. First, the shape of a circular curve was used in the top of the treated casing. Second, a fully curved guide vane was also applied.
Mohammad Akhlaghi, Yahya Azizi
doaj   +1 more source

Prediction of Stall Phenomenon in Blade-to-Blade Passage of Axial Flow Compressor [PDF]

Engineering and Technology Journal, 2009
The flow field between two blades was analyzed numerically by solving thesteady, two dimensional and incompressible (time-mass averaged Navier- Stokesequations).
Arkan K. Al-Taie, Abbas Abdul-Hussein
doaj   +1 more source

The Role of Surge Pricing on a Service Platform with Self-Scheduling Capacity

Manufacturing & Service Operations Management, 2016
Recent platforms, like Uber and Lyft, offer service to consumers via "self-scheduling" providers who decide for themselves how often to work. These platforms may charge consumers prices and pay providers wages that both adjust based on prevailing demand ...
Gérard P. Cachon, Kaitlin M. Daniels, R. Lobel   +2 more
semanticscholar   +1 more source

CREATION OF AFTERBURNING TURBOFAN ENGINE – HISTORY AND PRESENT

Авіаційно-космічна техніка та технологія, 2020
The main problems of the creation of afterburning turbofan engines, among which the irremovable surge of the compressor, is disclosed by historical analysis.
Volodymyr Gerasimenko, Vadym Datsenko, Mikhail Shevchenko   +2 more
doaj   +1 more source

Surge-Energy and Overvoltage Ruggedness of P-Gate GaN HEMTs

IEEE transactions on power electronics, 2020
An essential ruggedness of power devices is the capability of safely withstanding the surge energy. The surge ruggedness of the GaN high-electron-mobility transistor (HEMT), a power transistor with no or minimal avalanche capability, has not been fully ...
Ruizhe Zhang, J. P. Kozak, M. Xiao, Jingcun Liu, Yuhao Zhang   +4 more
semanticscholar   +1 more source

Decline in Stroke Presentations During COVID-19 Surge

Stroke, 2020
Supplemental Digital Content is available in the text. Background and Purpose: We aimed to investigate the acute stroke presentations during the coronavirus disease 2019 (COVID-19) pandemic.
K. Uchino
semanticscholar   +1 more source

Polio Surge Capacity Support Program Contributions to Building Country Capacities in Support of Polio Outbreak Preparedness and Response: Lessons Learned and Remaining Challenges

Pathogens
Despite coordinated efforts at global level, through the Global Polio Eradication Initiative (GPEI), poliomyelitis disease (Polio) is still a major public health issue.
Fikru Abebe, Victor Anochieboh Eboh, Mesfin Belew Weldetsadik, Ibrahima Kone, Tessema Assegid Kebede, Paul Thomas Harries, Veh Kesse Fabien Diomande   +6 more
doaj   +1 more source

The Effect of DC Voltage Pre-Stress on the Breakdown Voltage of Air under Composite DC and LI Voltage and Test Circuit: Design and Application

Energies, 2022
The use of HVDC systems is increasing in number due to technological innovations, increasing power capacity and increasing customer demand. The characteristics of insulation systems under composite DC and LI voltage must be examined and clarified.
Mehmet Murat Ispirli, Özcan Kalenderli, Florian Seifert, Michael Rock, Bülent Oral   +4 more
doaj   +1 more source