针对类美国末段高空域防御(Terminal High Altitude Area Defense,THAAD)系统的红外导引头外形,开展了气动光学效应计算分析,并将其用于飞行器设计。利用国家数值风洞工程高速流场计算软件NNW-HyFLOW,考虑热化学非平衡效应和材料传热耦...针对类美国末段高空域防御(Terminal High Altitude Area Defense,THAAD)系统的红外导引头外形,开展了气动光学效应计算分析,并将其用于飞行器设计。利用国家数值风洞工程高速流场计算软件NNW-HyFLOW,考虑热化学非平衡效应和材料传热耦合效应,对导引头典型状态的流场进行了模拟,获得了流场的密度、温度、压力等参数和窗口的温度场参数。基于流场参数,利用HyFLOW气动光学传输效应计算功能,开展了红外光学传输成像计算;利用HyFLOW气动光学辐射效应计算模块,开展了流场和光学窗口的热辐射计算。计算结果表明,类THAAD导引头在30 km以上飞行时,流场和光学窗口基本不会影响目标信号的光学传输成像,但流场和窗口的热辐射效应会对导引头识别目标造成影响。不过随着飞行高度的升高,这种影响会减小。展开更多
A U.S.deployment of a THAAD system in South Korea would prove that its anti-missile system is at least partly aimed at offsetting China’s deterrent capabilities.A THAAD platform will do little to improve South Korea...A U.S.deployment of a THAAD system in South Korea would prove that its anti-missile system is at least partly aimed at offsetting China’s deterrent capabilities.A THAAD platform will do little to improve South Korea’s military deterrence with North Korea;rather it will mean it will push China to take countermeasures,ushering in a new arms race in Northeast Asia and posing a severe test to regional security.展开更多
Earlier this year,THAAD deployment became a concrete reality in South Korea with the Lotte Group transferring land and with pieces of equipment arriving in South Korea.According to South Korean media,South Korea and t...Earlier this year,THAAD deployment became a concrete reality in South Korea with the Lotte Group transferring land and with pieces of equipment arriving in South Korea.According to South Korean media,South Korea and the US had mutually agreed to accelerate the process and try to complete THAAD deployment before South Korea’s presidential election in early May.1THAAD deployment in South Korea is a case of展开更多
Chinese and American officials have expressed their positions through various channels since news broke in 2014 of US preparations to deploy the THAAD system in South Korea.In academic circles,there has also been heat...Chinese and American officials have expressed their positions through various channels since news broke in 2014 of US preparations to deploy the THAAD system in South Korea.In academic circles,there has also been heated debate.However,these views frequently differ,even in the Sino-US non-official communication channels on nuclear strategy.Each side tends to confine itself to its own perspective,which展开更多
The THAAD issue stirs up the strategic security situation in Northeast Asia and the world,damaging mutual trust between China and South Korea as well as that between China and the United States,testing China’s abilit...The THAAD issue stirs up the strategic security situation in Northeast Asia and the world,damaging mutual trust between China and South Korea as well as that between China and the United States,testing China’s ability to safeguard strategic security interests and handle relations with neighboring countries and among major powers.China’s reaction attracts wide attention,including misunderstanding and criticism.There is a展开更多
Despite strong opposition from China and Russia,the US and South Korea proceeded with THAAD deployment,further escalating tension on the Korean Peninsula.As the issue developed,little attention was paid to how North K...Despite strong opposition from China and Russia,the US and South Korea proceeded with THAAD deployment,further escalating tension on the Korean Peninsula.As the issue developed,little attention was paid to how North Korea looked at THAAD,while more people and media reports were inclined to believe that'North Korea factor'or'North Korea’s increasing nuclear-missile threat'was the trigger or root cause展开更多
The US and South Korea’s deployment of THAAD in South Korea,which intensifies strategic competition among the great powers,stimulates pattern differentiation and recombination and deteriorates peninsula tensions,and ...The US and South Korea’s deployment of THAAD in South Korea,which intensifies strategic competition among the great powers,stimulates pattern differentiation and recombination and deteriorates peninsula tensions,and brings huge problems to the regional countries.First of all,THAAD’s entry into South Korea intensifies展开更多
文摘针对类美国末段高空域防御(Terminal High Altitude Area Defense,THAAD)系统的红外导引头外形,开展了气动光学效应计算分析,并将其用于飞行器设计。利用国家数值风洞工程高速流场计算软件NNW-HyFLOW,考虑热化学非平衡效应和材料传热耦合效应,对导引头典型状态的流场进行了模拟,获得了流场的密度、温度、压力等参数和窗口的温度场参数。基于流场参数,利用HyFLOW气动光学传输效应计算功能,开展了红外光学传输成像计算;利用HyFLOW气动光学辐射效应计算模块,开展了流场和光学窗口的热辐射计算。计算结果表明,类THAAD导引头在30 km以上飞行时,流场和光学窗口基本不会影响目标信号的光学传输成像,但流场和窗口的热辐射效应会对导引头识别目标造成影响。不过随着飞行高度的升高,这种影响会减小。
文摘A U.S.deployment of a THAAD system in South Korea would prove that its anti-missile system is at least partly aimed at offsetting China’s deterrent capabilities.A THAAD platform will do little to improve South Korea’s military deterrence with North Korea;rather it will mean it will push China to take countermeasures,ushering in a new arms race in Northeast Asia and posing a severe test to regional security.
文摘Earlier this year,THAAD deployment became a concrete reality in South Korea with the Lotte Group transferring land and with pieces of equipment arriving in South Korea.According to South Korean media,South Korea and the US had mutually agreed to accelerate the process and try to complete THAAD deployment before South Korea’s presidential election in early May.1THAAD deployment in South Korea is a case of
文摘Chinese and American officials have expressed their positions through various channels since news broke in 2014 of US preparations to deploy the THAAD system in South Korea.In academic circles,there has also been heated debate.However,these views frequently differ,even in the Sino-US non-official communication channels on nuclear strategy.Each side tends to confine itself to its own perspective,which
文摘The THAAD issue stirs up the strategic security situation in Northeast Asia and the world,damaging mutual trust between China and South Korea as well as that between China and the United States,testing China’s ability to safeguard strategic security interests and handle relations with neighboring countries and among major powers.China’s reaction attracts wide attention,including misunderstanding and criticism.There is a
文摘Despite strong opposition from China and Russia,the US and South Korea proceeded with THAAD deployment,further escalating tension on the Korean Peninsula.As the issue developed,little attention was paid to how North Korea looked at THAAD,while more people and media reports were inclined to believe that'North Korea factor'or'North Korea’s increasing nuclear-missile threat'was the trigger or root cause
文摘The US and South Korea’s deployment of THAAD in South Korea,which intensifies strategic competition among the great powers,stimulates pattern differentiation and recombination and deteriorates peninsula tensions,and brings huge problems to the regional countries.First of all,THAAD’s entry into South Korea intensifies
