Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration

The terminal velocity of hailstones is an essential quantity in hail research. It is an important value for the kinetic energy of hailstones and has to be carefully considered when laboratory hail impact testing is being planned. Many standardized hail impact testing procedures require specific impa...

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Main Authors: Christian Dieling, Milton Smith, Mario Beruvides
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Geosciences
Subjects:
Online Access:https://www.mdpi.com/2076-3263/10/12/500
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author Christian Dieling
Milton Smith
Mario Beruvides
author_facet Christian Dieling
Milton Smith
Mario Beruvides
author_sort Christian Dieling
collection DOAJ
description The terminal velocity of hailstones is an essential quantity in hail research. It is an important value for the kinetic energy of hailstones and has to be carefully considered when laboratory hail impact testing is being planned. Many standardized hail impact testing procedures require specific impact velocities. Several empirical models for various hailstone diameter ranges have been developed to calculate the velocity based on the diameter, indicating somewhat inconsistent results. The velocity is influenced by factors such as their density, drag coefficient, shape or air density, and strong winds. This article takes a closer look into each of these factors and how they influence the velocity of hailstones and the damage potential of hailstorms. Implications are made for laboratory testing of hail impact testing procedures and how the geographic location of hailstorms might be a considerable factor when designing a test.
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spelling doaj.art-1bf83d208aff41b4ac0c52fd85164ac52023-11-21T00:49:48ZengMDPI AGGeosciences2076-32632020-12-01101250010.3390/geosciences10120500Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing ConsiderationChristian Dieling0Milton Smith1Mario Beruvides2Department of Industrial, Manufacturing and Systems Engineering (IMSE), Texas Tech University, Lubbock, TX 79409-301, USADepartment of Industrial, Manufacturing and Systems Engineering (IMSE), Texas Tech University, Lubbock, TX 79409-301, USADepartment of Industrial, Manufacturing and Systems Engineering (IMSE), Texas Tech University, Lubbock, TX 79409-301, USAThe terminal velocity of hailstones is an essential quantity in hail research. It is an important value for the kinetic energy of hailstones and has to be carefully considered when laboratory hail impact testing is being planned. Many standardized hail impact testing procedures require specific impact velocities. Several empirical models for various hailstone diameter ranges have been developed to calculate the velocity based on the diameter, indicating somewhat inconsistent results. The velocity is influenced by factors such as their density, drag coefficient, shape or air density, and strong winds. This article takes a closer look into each of these factors and how they influence the velocity of hailstones and the damage potential of hailstorms. Implications are made for laboratory testing of hail impact testing procedures and how the geographic location of hailstorms might be a considerable factor when designing a test.https://www.mdpi.com/2076-3263/10/12/500hailhailstoneterminal velocitytestingimpactvelocity
spellingShingle Christian Dieling
Milton Smith
Mario Beruvides
Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration
Geosciences
hail
hailstone
terminal velocity
testing
impact
velocity
title Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration
title_full Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration
title_fullStr Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration
title_full_unstemmed Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration
title_short Review of Impact Factors of the Velocity of Large Hailstones for Laboratory Hail Impact Testing Consideration
title_sort review of impact factors of the velocity of large hailstones for laboratory hail impact testing consideration
topic hail
hailstone
terminal velocity
testing
impact
velocity
url https://www.mdpi.com/2076-3263/10/12/500
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