液态铝和三氧化二铝物性参数计算方法综述

推进技术 ›› 2019, Vol. 40 ›› Issue (5): 961-969.

• 综述 • 下一篇

液态铝和三氧化二铝物性参数计算方法综述

夏盛勇¹,胡春波²

西安石油大学机械工程学院，陕西西安710065,西北工业大学燃烧、流动和热结构国家级重点实验室，陕西西安710072

发布日期:2021-08-15
基金资助:
国家自然科学基金(51576166)；陕西省自然科学基础研究计划项目(2017JQ5106)。

Review of Physical Property Calculations of Liquid Aluminum and Alumina

Mechanical Engineering College，Xi’an Shiyou University，Xi’an 710065，China and National Key Laboratory of Combustion，Flow and Thermo-Structure，Northwestern Polytechnical University， Xi’an 710072，China

Published:2021-08-15

摘要/Abstract

摘要： 含铝固体推进剂在燃烧过程中会产生铝液滴和三氧化二铝液滴，准确的铝和三氧化二铝液滴物性参数对发动机内燃烧、流动等多物理过程的精细化数值研究及工作性能的精确预测具有重要影响。为获得精确的物性参数，针对液态铝和三氧化二铝的密度、黏度、表面张力、导热系数及定压比热容等物性参数，综述国内外实验研究现状和不同温度下的计算方法，对比分析各实验和计算方法的精确度和适用性。结合固体发动机高温高压环境，提出了适用于发动机内铝和三氧化二铝液滴的物性参数计算方法。得到的物性参数计算关系式可为发动机内多物理过程的精细化研究提供参考。

关键词: 液态铝；液态三氧化二铝；物性参数；固体火箭发动机

Abstract: Aluminum and alumina droplets are produced in the combustion of aluminized propellant，of which precise physical properties are significant for the accurate and microscopic study on the combustion and multiphase flow in solid rocket motor. In order to employ precise physical properties in numerical simulations，the physical properties of liquid aluminum and alumina were investigated，including density，viscosity，surface tension，thermal conductivity，and isobaric mass heat capacity. The experimental studies and the property calcu?lations at different temperatures were reviewed，and their precision and applicability were analyzed. As to the op?erating condition of solid rocket motor with high temperature and pressure，the physical property calculations of

Key words: Liquid Aluminum；Liquid Alumina；Physical properties；Solid rocket motor

夏盛勇,胡春波. 液态铝和三氧化二铝物性参数计算方法综述[J]. 推进技术, 2019, 40(5): 961-969.

XIA Sheng-yong¹,HU Chun-bO². Review of Physical Property Calculations of Liquid Aluminum and Alumina[J]. Journal of Propulsion Technology, 2019, 40(5): 961-969.

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液态铝和三氧化二铝物性参数计算方法综述

Review of Physical Property Calculations of Liquid Aluminum and Alumina

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