Projectile Balloting Attributable to Gun Tube Curvature

Transverse motion of a projectile during launch is detrimental to firing accuracy, structural integrity, and/or on-board electronics performance of the projectile. One manifest contributing factor to the undesired motion is imperfect bore centerline straightness. This paper starts with the presentat...

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Main Author: Michael M. Chen
Format: Article
Language:English
Published: Wiley 2010-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.3233/SAV-2010-0496
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author Michael M. Chen
author_facet Michael M. Chen
author_sort Michael M. Chen
collection DOAJ
description Transverse motion of a projectile during launch is detrimental to firing accuracy, structural integrity, and/or on-board electronics performance of the projectile. One manifest contributing factor to the undesired motion is imperfect bore centerline straightness. This paper starts with the presentation of a deterministic barrel model that possesses both vertical and lateral deviations from centerline in accordance with measurement data, followed by a novel approach to simulating comprehensive barrel centerline variations for the investigation of projectile balloting^1 motions. A modern projectile was adopted for this study. In-bore projectile responses at various locations of the projectile while traveling through the simulated gun tubes were obtained. The balloting was evaluated in both time and frequency domains. Some statistical quantities and the significance were outlined.
format Article
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institution Kabale University
issn 1070-9622
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series Shock and Vibration
spelling doaj-art-11ce04b9c80740848ceabbcf6e5dd0fd2025-02-03T05:46:43ZengWileyShock and Vibration1070-96221875-92032010-01-01171395310.3233/SAV-2010-0496Projectile Balloting Attributable to Gun Tube CurvatureMichael M. Chen0US Army Research Laboratory, AMSRD-ARL-WM-BC, Aberdeen Proving Ground, MD 21005, USATransverse motion of a projectile during launch is detrimental to firing accuracy, structural integrity, and/or on-board electronics performance of the projectile. One manifest contributing factor to the undesired motion is imperfect bore centerline straightness. This paper starts with the presentation of a deterministic barrel model that possesses both vertical and lateral deviations from centerline in accordance with measurement data, followed by a novel approach to simulating comprehensive barrel centerline variations for the investigation of projectile balloting^1 motions. A modern projectile was adopted for this study. In-bore projectile responses at various locations of the projectile while traveling through the simulated gun tubes were obtained. The balloting was evaluated in both time and frequency domains. Some statistical quantities and the significance were outlined.http://dx.doi.org/10.3233/SAV-2010-0496
spellingShingle Michael M. Chen
Projectile Balloting Attributable to Gun Tube Curvature
Shock and Vibration
title Projectile Balloting Attributable to Gun Tube Curvature
title_full Projectile Balloting Attributable to Gun Tube Curvature
title_fullStr Projectile Balloting Attributable to Gun Tube Curvature
title_full_unstemmed Projectile Balloting Attributable to Gun Tube Curvature
title_short Projectile Balloting Attributable to Gun Tube Curvature
title_sort projectile balloting attributable to gun tube curvature
url http://dx.doi.org/10.3233/SAV-2010-0496
work_keys_str_mv AT michaelmchen projectileballotingattributabletoguntubecurvature