厦门大学学报(自然科学版)2017,Vol.56Issue(5):734-739,6.DOI:10.6043/j.issn.0438-0479.201704033
航空母舰空气尾流的实验研究
Experimental Study on Aircraft Carrier Air Wakes
摘要
Abstract
Aircraft carrier air wake exerts a very important impact on the carrier-based aircraft take-off and landing.Identify the dis-turbance of the aircraft carrier wakes on the carrier-based aircraft will contribute to improve the safety of the aircraft take-off and landing.Experiment take Liaoning aircraft carrier shrinkage model as the research object,which has similar geometry shape of the Li-aoning aircraft carrier,and research on the wake structure of the aircraft carrier model in multifunctional water tunnel.Using the dye-ing flow visualization experiment and PIV measurement to measure the wake structure of aircraft carrier model different with head-ing angles,velocity of flow and the key positions.Based on the definition of the width of model,the scope of Reynolds number is 2× 104-4×104 .Results show that there are up washs on the ski jump deck and flow vortex on both sides of the ski jump deck,which have an impact on the lift of carrier-based aircraft.Besides,there are shedding vortices behind the ship island and stern,which will in-terfere the aerodynamic force of carrier-based aircraft and greatly increase the operating difficulty of landing.关键词
辽宁舰/航母尾流/染色液流动显示/粒子成像测速技术Key words
Liaoning aircraft carrier/aircraft carrier air wake/dyeing flow visualization/particle image velocimetry分类
航空航天引用本文复制引用
鲍锋,曾华轮,邹赫,朱睿,刘志荣..航空母舰空气尾流的实验研究[J].厦门大学学报(自然科学版),2017,56(5):734-739,6.基金项目
国家自然科学基金(11072206) (11072206)
福建省自然科学基金(2012J01023) (2012J01023)