首页|基于SiO2气凝胶的消防机器人一体化防火隔热结构设计优化

基于SiO2气凝胶的消防机器人一体化防火隔热结构设计优化

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围绕消防机器人工作时机体外表面热防护问题,建立以SiO2 气凝胶为隔热材料的一体化热防护结构.通过设置热防护结构传热模型,利用ANSYS软件模拟计算一体化结构在不同工况下的温度分布,以此分析防火隔热性能和传热机理;并对不同的隔热材料进行比较,使用最优拉丁超立方方法对一体化热防护结构进行敏感性分析,在满足约束的前提下选用遗传算法对结构进行厚度优化设计.结果表明:以SiO2气凝胶作为隔热材料相比于其他隔热材料,防火隔热性能更好.其与隔热性能比较接近的玻璃纤维相比,同一厚度下隔热能力提升57%,同时面密度和厚度优化分别增加了9.1%和8.3%,且机体结构冷面温度最大值降低56.5%,一体化热防护结构防火隔热性能提升明显.
Design and optimization of integrated fireproof and thermal insulation structure for firefighting robot based on SiO2 aerogel
An integrated thermal protection structure based on SiO2 aerogels was established to solve the problem of external sur-face thermal protection of firefighting robots.The heat transfer model of the thermal protection structure is set up,and the tem-perature distribution of the integrated structure under different working conditions is simulated by ANSYS software to analyze the thermal insulation performance and heat transfer mechanism.Different thermal insulation materials are compared,the sensitiv-ity of the integrated thermal protection structure is analyzed by us-ing the optimal Latin hypercube method,and the thickness of the structure is optimized by using genetic algorithm under the prem-ise of meeting the constraints.The results show that SiO2 aero-gels have better thermal insulation performance than other ther-mal insulation materials.At the same time,compared with the glass fiber with similar thermal insulation performance,the ther-mal insulation capacity is increased by 57%under the same thick-ness,and the surface density and thickness optimization are in-creased by 9.1%and 8.3%,respectively,and the maximum cold surface temperature of the body structure is reduced by 56.5%,and the anti-thermal insulation performance of the integrated ther-mal protection structure is significantly improved.

SiO2 aerogelthermal protection structurethermal in-sulation performance analysisoptimal Latin Hypercubegenetic algorithm

王潇、王磊、刘天奇、张国伟

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沈阳航空航天大学 安全工程学院,辽宁 沈阳 110136

沈阳工程学院,辽宁 沈阳 110136

SiO2气凝胶 热防护结构 隔热性能分析 最优拉丁超立方 遗传算法

国家自然科学基金辽宁省社会科学基金辽宁省教育厅基本科研面上项目2022年度沈阳市社会科学课题

12102271L23BXW003LJKMZ20221722SYSK2022-01-111

2024

10.20168/j.1009-0029.2024.08.1122.06

消防科学与技术
中国消防协会

消防科学与技术

CSTPCD北大核心
影响因子：0.846
ISSN：1009-0029
年,卷(期)：2024.43(8)
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