Novel Approaches to Blast Protection in Armoured Fighting Vehicles

装甲战车爆炸防护的新方法

• 批准号: 1724194
• 金额: --
• 依托单位: University of Leeds
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2015
• 资助国家: 英国
• 起止时间: 2015 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-1724194
• 关键词: Novel; Approaches; Blast; Protection; Armoured

Armoured fighting vehicles are exposed to a variety of blast threats in modern warfare. Crew protection against suchthreats is vital and is typically provided by a mine protection system attached to the lower section of the hull. However,whilst such structures provide protection, they are not weight efficient. Moreover, they are not optimised formanagement and attenuation of the transmitted shock wave. Currently, typical mine protection systems comprise 10% ofthe total vehicle weight but this would need to increase to deal with emerging threats, with a negative impact onmanoeuvrability, fuel efficiency and reliability of the vehicle. Therefore, alternative solutions are sought that providehigher mass efficiency by utilising energy absorbing materials and structures in the mine protection systems.During the previous undergraduate level projects, a number of questions could not be answered from the literature, andtherefore provide novelty within the scope of the PhD Programme. Some examples will include:Understanding the energy ratios and timescales involved between a sand slug and its associated shock wave; hullprotection from the sand slug and the shock wave, and the extent to which the shock wave damages the hull before theimpact of the sand slug, and mechanisms for protection of the hull using the proposed novel techniques.The proposed research would initially build a sophisticated model of a whole vehicle that would allow modifications to bemade and subsequently tested using modelling software such as LS Dyna. We already have experience of working on thisthrough a current undergraduate "group industrial project."The developed model would then be used to test a wide range of possible novel blast mitigation and protection options,as investigated from the literature during the undergraduate group project in 2013/14. A number of techniques haveshown promise in theory (particularly, but not limited to, those involving the use of water), and the model could bedeveloped and utilised to test for practical feasibility. As the project progresses, protection systems that appear effectivevia modelling could be tested practically, initially on a small scale, with the scope to move to full scale testing, with thesupport of BAE Systems (CVUK).

在现代战争中，装甲战车面临着各种爆炸威胁。保护船员免受此类威胁至关重要，通常由连接到船体下部的防雷系统提供。然而，虽然这种结构提供了保护，但它们的重量效率不高。此外，它们并未针对传输冲击波的管理和衰减进行优化。目前，典型的防雷系统占车辆总重量的 10%，但需要增加重量以应对新出现的威胁，从而对车辆的机动性、燃油效率和可靠性产生负面影响。因此，寻求通过在防雷系统中利用能量吸收材料和结构来提供更高质量效率的替代解决方案。在之前的本科水平项目中，许多问题无法从文献中得到解答，因此在博士课程范围内提供了新颖性。一些例子包括：了解沙塞及其相关冲击波之间涉及的能量比率和时间尺度；船体免受沙弹和冲击波的影响，冲击波在沙弹撞击之前对船体的损坏程度，以及使用所提出的新技术保护船体的机制。所提出的研究将首先建立一个完整的车辆复杂模型，允许进行修改，然后使用 LS Dyna 等建模软件进行测试。我们已经通过当前的本科生“团体工业项目”获得了这方面的经验。然后，开发的模型将用于测试各种可能的新颖的爆炸缓解和保护方案，正如 2013/14 年本科生团体项目期间的文献所调查的那样。许多技术在理论上已显示出前景（特别是但不限于涉及水的技术），并且可以开发并利用该模型来测试实际可行性。随着项目的进展，在 BAE Systems (CVUK) 的支持下，通过建模显示出有效的保护系统可以进行实际测试，最初是小规模的，后来可以进行全面测试。