Results 11 to 20 of about 2,292,861 (284)

Building Resilient Coastal Communities: The NHERI Experimental Facility for Surge, Wave, and Tsunami Hazards

Frontiers in Built Environment, 2020
Through the Natural Hazards Engineering Research Infrastructure program (NHERI) established by the National Science Foundation in the United States, a suite of experimental facilities has been made available to the research community to advance the ...
Pedro Lomonaco, Pedro Lomonaco, Daniel Cox, Daniel Cox, Christopher Higgins, Christopher Higgins, Timothy Maddux, Timothy Maddux, Bret Bosma, Bret Bosma, Rebekah Miller, Rebekah Miller, James Batti, James Batti   +13 more
doaj   +1 more source

Arizona Surge Line: An emergent statewide COVID-19 transfer service with equity as an outcome

Frontiers in Public Health, 2023
IntroductionThe Arizona Surge Line was an emergent initiative during the COVID-19 pandemic to facilitate COVID-19 patient transfers and load-level hospitals on a statewide level.
Lisa Villarroel, Erin Tams, Luke Smith, Jessica Rigler, Dena Wilson, Chengcheng Hu, Marilyn K. Glassberg, Marilyn K. Glassberg   +7 more
doaj   +1 more source

Applications of machine learning approaches in aerodynamic aspects of axial flow compressors: A review

Frontiers in Energy Research, 2023
A compressor is one of the key components of a gas turbine engine and its performance and characteristics significantly affect the overall performance of the engine.
Mohammad Reza Pakatchian, Alireza Ziamolki, Mohammad Alhuyi Nazari   +2 more
doaj   +1 more source

To evaluate the effect of COVID-19 pandemic and national lockdown on patient care at a tertiary-care ophthalmology institute

Indian Journal of Ophthalmology, 2020
Purpose: To evaluate the effect of COVID-19 pandemic and national lockdown on patient care at a tertiary-care ophthalmology institute. Methods: Records of all the patients who presented from March 25th to May 3rd, 2020 were scanned to evaluate the ...
Naresh Babu, Piyush Kohli, Chitaranjan Mishra, Sagnik Sen, Dhipak Arthur, Deepesh Chhablani, Girish Baliga, Kim Ramasamy   +7 more
doaj   +1 more source

METHODS OF THE FORECAST OF SAFE WORK OF A ROAD BED OF THE HIGHWAY

Вестник Дагестанского государственного технического университета: Технические науки, 2016
Methods of the forecast of the parameter of the safe work earth are brought In article onpallet, as which is accepted reliability of the work for period between heavy repairs at reasonable conditions of the usages. Reliability is Considered as estimation
M. O. Allaev
doaj   +1 more source

Research on Online Diagnosis Method of Fuel Cell Centrifugal Air Compressor Surge Fault

Energies, 2021
Stable operation of fuel cell air compressions is constrained by rotating surge in low flowrate conditions. In this paper, a diagnosis criterion based on wavelet transform to solve the surge fault is proposed. First of all, the Fourier transform was used
Su Zhou, Jie Jin, Yuehua Wei
doaj   +1 more source

Analysis of the Factors Influencing the Trailing Infrared Characteristics of Underwater Vehicles under Surge Conditions Using the Orthogonal Method

Applied Sciences, 2023
With its benefits of efficiency and speed, the orthogonal experimental design method is currently often employed in many domains for multi-factor experimental design.
Shuang Zheng, Guanlin Li, Qiang Fu, Kaiming Luo, Haodong Shi, Di Yang, Yingchao Li   +6 more
doaj   +1 more source

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

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