Reconstruction of downburst wind fields using physics-informed …
2024年11月1日 · The maximum wind velocity of the downburst is observed at a distance of 1.0D jet = 600 mm from the jet in the steady state of flat terrain, with a magnitude velocity of …
A simple downburst model has been developed for use in batch and real- time piloted simulation studies of guidance strategies for terminal area transport aircraft operations in wind shear …
Downbursts - an overview | ScienceDirect Topics
Downbursts are defined as convective wind gusts upward of 50 knots. Mesoscale convective systems frequently produce strong downbursts that can cause widespread power outages, …
Assessing Downburst Kinematics Using Video Footage Analysis
2024年9月5日 · Using the estimates of the distances and knowing the frame rate of the video recording, we estimate characteristic velocities in the outflow, such as the mean velocity of …
A general-purpose analytical model for reconstructing the …
2020年12月1日 · Starting from these premises, this paper proposes an analytical model that reconstructs the horizontal mean wind velocity at a fixed height above the ground, originating …
Automated Recognition of Macro Downburst Using Doppler …
2022年4月22日 · Automatic recognition algorithm for downburst area is that first input the reflectivity and radial velocity of 0.5° elevation, combine the reflectivity and radial velocity …
Review of Wind Field Characteristics of Downbursts and Wind …
2024年8月26日 · Downbursts are characterized by their high intensity, sudden onset, substantial variability, significant regional impacts, and brief duration. They exhibit a distinctive three …
Downburst-like experimental impinging jet measurements at the …
2022年5月27日 · Downbursts are strong downdrafts of air that originate from thunderstorm clouds and create vigorous radial outflows upon hitting the ground. Downbursts are here simulated as …
Vertical Structure and Evolution of the Downburst - 1Library
Overall, the rapid-scan updates of the vertical evolution and structure of the downburst provided evidence that surges of mixed-phase precipitation cores aloft—indicated by reduced ρhv— …
A downburst event represents a downdraft of cold air that impinges on the ground, causing a main rolling vortex and outflows of high velocities and turbulence intensities near the ground that …