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Research on directional detonation strategy of warhead based on azimuth detection fuze.

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Title: Research on directional detonation strategy of warhead based on azimuth detection fuze.
Authors: Chen, Hong1 (AUTHOR), Zha, Bingting1 (AUTHOR) zhabingting@163.com, Zheng, Zhen1 (AUTHOR), Zhang, He1 (AUTHOR)
Source: Journal of Mechanical Science & Technology. Jun2025, Vol. 39 Issue 6, p2983-2999. 17p.
Subjects: Azimuth, Lasers, Velocity, Dispersion (Chemistry), Cooperation, Warheads
Abstract: To meet the detonation control requirements of the aimable warhead in cooperation with the fuze, a detonation control modeling method based on octagon laser fuze detection and positioning is proposed to study the dispersion rule of the warhead's pre-formed fragments. The fragmentation law of the warhead was experimentally and numerically studied under different initiation conditions. Combined with the azimuth detection fuze, the warhead detonation strategy under different azimuths is obtained. A target vulnerability equivalent model is used to simulate, the effect of the matching relationship between the fuze delay and miss distance on the damage effect. The simulation and experiment results show that with eccentric 45° two-line, 90° three-line, and 135° four-line detonation, the directional fragment velocity gains are 8.88 %, 10.99 %, and 10.85 %, respectively, while the resulting directional gain areas are 135°, 90°, and 45°, respectively. The target occupation azimuths coincides with the fragment directional gain areas, causing the best damage to the target. For optimal damage effect, the miss distance should be less than 10 m, and the fuze delay should not exceed 3 ms. Conversely, a fuze delay exceeding 5 ms results in inferior, damage effect and may not cause damage to the target effectively. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Research on directional detonation strategy of warhead based on azimuth detection fuze.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Chen%2C+Hong%22">Chen, Hong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zha%2C+Bingting%22">Zha, Bingting</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhabingting@163.com</i><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Zhen%22">Zheng, Zhen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+He%22">Zhang, He</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Mechanical+Science+%26+Technology%22">Journal of Mechanical Science & Technology</searchLink>. Jun2025, Vol. 39 Issue 6, p2983-2999. 17p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Azimuth%22">Azimuth</searchLink><br /><searchLink fieldCode="DE" term="%22Lasers%22">Lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Velocity%22">Velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Dispersion+%28Chemistry%29%22">Dispersion (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Cooperation%22">Cooperation</searchLink><br /><searchLink fieldCode="DE" term="%22Warheads%22">Warheads</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To meet the detonation control requirements of the aimable warhead in cooperation with the fuze, a detonation control modeling method based on octagon laser fuze detection and positioning is proposed to study the dispersion rule of the warhead's pre-formed fragments. The fragmentation law of the warhead was experimentally and numerically studied under different initiation conditions. Combined with the azimuth detection fuze, the warhead detonation strategy under different azimuths is obtained. A target vulnerability equivalent model is used to simulate, the effect of the matching relationship between the fuze delay and miss distance on the damage effect. The simulation and experiment results show that with eccentric 45° two-line, 90° three-line, and 135° four-line detonation, the directional fragment velocity gains are 8.88 %, 10.99 %, and 10.85 %, respectively, while the resulting directional gain areas are 135°, 90°, and 45°, respectively. The target occupation azimuths coincides with the fragment directional gain areas, causing the best damage to the target. For optimal damage effect, the miss distance should be less than 10 m, and the fuze delay should not exceed 3 ms. Conversely, a fuze delay exceeding 5 ms results in inferior, damage effect and may not cause damage to the target effectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1007/s12206-025-0404-1
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 2983
    Subjects:
      – SubjectFull: Azimuth
        Type: general
      – SubjectFull: Lasers
        Type: general
      – SubjectFull: Velocity
        Type: general
      – SubjectFull: Dispersion (Chemistry)
        Type: general
      – SubjectFull: Cooperation
        Type: general
      – SubjectFull: Warheads
        Type: general
    Titles:
      – TitleFull: Research on directional detonation strategy of warhead based on azimuth detection fuze.
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            NameFull: Chen, Hong
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            NameFull: Zha, Bingting
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            NameFull: Zheng, Zhen
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            NameFull: Zhang, He
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          Dates:
            – D: 01
              M: 06
              Text: Jun2025
              Type: published
              Y: 2025
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              Value: 39
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            – TitleFull: Journal of Mechanical Science & Technology
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