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风向对舰船甲板流场结构影响的数值研究 被引量:4

Numerical research on the influence of wind directions on the flow field structures of deck
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摘要 为研究风向对舰船甲板上方流场的影响,运用数值模拟方法对舰船甲板上方空气流场进行求解,分析不同风向时舰船甲板流场的流线形态和涡量分布.对流场中的旋涡进行分类,并阐述各类旋涡的产生原因、发展过程与相互作用.研究结果表明:0°风向时,船首分离涡影响甲板前端流场,上层建筑尾涡只影响其正后方小范围甲板区域;+15°风向时,甲板上方流场主要受右侧边缘上洗气流涡与上层建筑尾涡的影响;-15°风向时,甲板上方流场主要受左侧边缘上洗气流涡的影响. In order to study the influence of wind directions on the flow field structures of deck,numerical simulation method was used to solve the air flow field on the upper deck of the ship. Streamline pattern and vorticity distribution of the flow field with different wind directions were analyzed. The vortices in the flow field were classified,and the causes,evolutions and mutual effects of different vortices were elaborated.Results show that the front part of the flow field,with wind from 0° direction,is influenced by the bow separation vortex,and the superstructure shedding vortex influence a small area of rear deck behind the superstructures. The flow field,with wind from starboard 15° direction,is mainly influenced by the right upwash vortex and the superstructure shedding vortex.The flow field,with wind from larboard 15° direction,is mainly influenced by the left upwash vortex.
出处 《大连海事大学学报》 CAS CSCD 北大核心 2016年第1期57-64,共8页 Journal of Dalian Maritime University
基金 国家自然科学基金青年基金资助项目(51409031)
关键词 舰船 甲板 流场 旋涡 计算流体力学(CFD) 数值模拟 warship deck flow field vortex computational fluid dynamics(CFD) numerical simulation
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  • 1伍荣生,谈哲敏.广义涡度与位势涡度守恒定律及其应用[J].气象学报,1989,47(4):436-442. 被引量:44
  • 2杨越奎,刘玉玲,万振拴,吴宝俊,沈文海.“91.7”梅雨锋暴雨的螺旋度分析[J].气象学报,1994,52(3):379-384. 被引量:82
  • 3吴宝俊,许晨海,刘延英,周丽,于永安,魏东升,陈良华.螺旋度在分析一次三峡大暴雨中的应用[J].应用气象学报,1996,7(1):108-112. 被引量:61
  • 4刘式适,刘式达.大气运动的螺-极分解和Beltrami流[J].大气科学,1997,21(2):151-160. 被引量:16
  • 5孙文胜.[D].南京航空航天大学,1994,3.
  • 6SILVA M J, YAMAUCHI G K,WADCOCK ALAN J, LONG K R. Wind tunnel investigation of the aerodynamic interactions between helicopters and tiltroitors in a shipboard environment[A]. American Helicopter Society International, Inc. American Helicopter Society 4^th Decennial Specialist's Conference on Aeromeehanies[C]. San Francisco, CA, 2004.
  • 7REDDY K R, TOFFOLETTO R, JONES K R W. Numerical simulation of ship airwake[J]. Computers & Fluids, 2000,29 :451-465.
  • 8Polsky S A. A computational study of unsteady ship airwake [ C ] , AIAA 2002 - 1022.
  • 9Lee DooYong, Simulating and control of a helicopter operating in a ship airwake [ D ]. US:A Thesis in Aerospace Engineering, 2005.08.
  • 10The specification of AV-SB + [ EB/OL]. www. globalsecurity. org,2008.09.

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