实验流体力学2016，Vol.30Issue(2)：20-25,6.DOI:10.11729/syltlx20160013
考虑水滴动力学效应的结冰试验相似准则
Icing scaling law with the dynamic effects of water droplets
摘要
Abstract
Constraints of the size and simulation ability are often encountered in the icing wind tunnel test.We established an icing scaling law with the dynamic effects of water droplets to solve the problem.It is based on the icing scaling laws with small size droplets.Similar parame-ters of ice accretion on aircraft surface were refined in this paper based on the similarity of a num-ber of conditions such as the flow field,droplet motion,impact properties and thermodynamic properties of ice accretion.Two constraint conditions are proposed to ensure the similarity of dy-namics effect of droplets.The first condition is the equal of Weber number,which ensures the similarity of droplet deformation.The second constraint is the equal of impact parameter,which ensures the similarity of droplet broken.The numerical method is used for the evaluation of the icing scaling law with the dynamic effects of water droplets.The results show that ice shapes on a full scale model and its sub-scaled model are similar,which illustrates that the law is effective and can be used in icing wind tunnel test.关键词
结冰/冰风洞/相似准则/SLD/数值模拟Key words
aircraft icing/icing wind tunnel/scaling law/SLD/numerical simulation分类
航空航天引用本文复制引用
周志宏,易贤,桂业伟,屈建民..考虑水滴动力学效应的结冰试验相似准则[J].实验流体力学,2016,30(2):20-25,6.基金项目
国家自然基金（11172314，11472296），国家重点基础研究发展计划 （）
