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作 者:崔鲁宁 贺少华 CUI Luning;HE Shaohua(92942 Unit of the Chinese People's Liberation Army)
机构地区:[1]中国人民解放军92942部队
出 处:《空气动力学学报》2023年第3期101-110,I0002,共11页Acta Aerodynamica Sinica
摘 要:舰船海上航行时,甲板上的直升机旋翼尾流和舰面流场相互掺混形成了复杂的流场,这不仅会影响直升机的安全起降,同时也会对甲板作业人员的安全性造成影响。本文首先开展了流场中的人体模型数值模拟,分析了不同风速下的人体受力情况,提出了影响人员作业安全的风速范围。之后开展了西北风级、戴高乐号、伊丽莎白女王号及美国号四艘舰船的气流场仿真,依据风速范围对各舰船甲板人员安全性进行了分析,总结出作业危险区域及形成原因。在此基础上,开展了直升机进舰耦合流场计算、直升机舰面降落耦合流场计算以及舰面多机降落耦合流场计算,并对直升机进舰降落过程中甲板高速气流场以及多机降落过程中的高速气流场进行了分析,总结了甲板面人员作业危险区域。When a ship is navigating at sea,rotor wakes of helicopters on the deck and airflow on the surface of the ship mix with each other to form complex flow,which will not only affect the take-off and landing of the helicopter,but also affect the safety of personnel working on the deck.In this study,the aerodynamic force of a human body model was analyzed by means of numerical simulations,and the range of wind speed affecting the safety of the personnel was put forward.The flowfields of four different ships,namely France Mistral-class LHD,France Charles de Gaulle,Britain Queen Elizabeth-class aircraft carrier and the American LHA,were numerically simulated.The safety of personnel on different ships were analyzed based on the wind speed range,while the dangerous area for personnel on the deck and their causes were also summarized.On this basis,numerical simulations of helicopter/ship coupled flow were conducted,including helicopter approaching the LHA,helicopter landing on the LHA as well as multiple helicopters landing on the LHA.In addition,the high-speed airflow field on the deck and the dangerous area for personnel on the deck were analyzed and summarized.
关 键 词:数值计算 人员安全 直升机 舰面气流场 机-舰耦合流场
分 类 号:V211.3[航空宇航科学与技术—航空宇航推进理论与工程]
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