Depth: On the Strategic Significance of the AIP Technology of Chinese Navy 039 Submarine
At 15:33 on February 18, 2014 military Sina
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039A and 039B submarines is China's first AIP hybrid submarine, has been mass production and equipment for many years, as the world's sixth master AIP hybrid submarine technology, China's scientific research personnel in the development of the configuration submarine To pay a lot of effort and sweat. 039A boat first appearance in 2004, in the past 10 years time, has accumulated a total of 12 to 14 appeared in front of us. Such a rapid production and technical stereotypes, such a rapid mass production equipment speed, independent research and development in China's submarine projects are rare. This shows that as China's defense costs continued to grow steadily, the domestic submarine industrial system in independent research and development and construction capacity has been significant progress. This progress is of course worthy of military enthusiasts whom the joy and encouragement, but more importantly, with the 039A and 039B type of boat equipment, conventional submarine forces will enter the AIP era, which the people's navy submarine force combat effectiveness, Improve the war in the surrounding waters and the entire Asia-Pacific region potential, will play a significant positive and positive impact. 039A and 039B through submarine fielded, the People's Navy win my regional conflicts surrounding waters, the first to break the blockade of the island chain capacity is gradually
increasing, strategic United States and Japan on China's anti-submarine warfare strangling of being Chinese Technological breakthroughs one by one "destroyed."
AIP submarine (Air Independent Propulsion), refers to the use of independent air propulsion engine as the driving force of the submarine. The benefits can be a longer period of latent underwater, more subtle conventional submarines than the more outstanding. This technology since the 1940s and World War II period has been the development and initial reference, but the technical capacity is low and unsuccessful. Sweden, Germany, Russia, France, Italy, Spain, Greece, South Korea, Japan, etc., have not matured until the 1990s, when the Stirling heat engine, new fuel cell and closed-cycle diesel engines are not represented. The country began production construction and purchase to AIP hybrid based on the new generation of AIP submarines. But at this time, China's conventional submarine force although the number of the world's top, but the quality and performance has been completely and foreign new boat can not be compared. To 033 and 035 as the representative of China's first generation of conventional submarines have been unable to meet the needs of future war. These diesel-powered submarines, subject to the form of power constraints, this submarine's underwater life range is generally not more than 200 sea miles short, repeated fighting operations need to float charge, the process of exposure is too high, the inherent low survival rate, Has been unable to adapt to modern anti-submarine warfare technology conditions. Which in the 90s of last century, the People's Navy submarine force who particularly prominent.
Data: China's naval equipment Kilo-class submarines
In the early 1990s, with the disintegration of the former Soviet Union, in order to speed up my Navy submarine force facelift, and actively respond to Japan and the US anti-submarine containment. Since 1995, China has purchased from Russia, 12 "Kilo" class conventional submarines, which makes our country the first time with the world's advanced level of conventional submarines, to solve the urgent needs of our country. But not necessarily a long-term solution to buy must not be controlled by the people in the wartime, we must develop their own new submarines. Therefore, in the introduction of "Kilo" class submarines at the same time, the development of conventional submarine program has also been started, which is later been widely concerned about the 039 conventional submarines. Its development plan began in the late 80's, the design goal aimed at the world's advanced level of conventional submarines, a variety of technical performance than 035 submarines have a leap-forward progress, the overall performance level to reach the late 80's to 90's Early in the world advanced level. So as to meet the needs of our naval submarine force in the 21st century combat. 039 submarine first boat started construction in 1992, launched in May 1994, 1995 began a large number of sea tests to the new boat has a more comprehensive performance of understanding. Testing has been carried out for nearly three years, during which found a new boat there are some design flaws and no compliance performance indicators, which also makes the construction of the subsequent boat has been greatly affected, the improved submarine known as the 039 modified and 039A early type, in fact belong to 039 series, built about 14 ships. The submarine has a relatively powerful combat capability, is China's second generation of conventional-built power submarine, a landmark, but the floating charge is still 039 039A reform and early type of "fatal", the face of Japan and the United States world-class anti-submarine China's conventional submarine assets are usually not optimistic.
To the East China Sea Fleet belongs to the submarine force, for example, from the East China Sea Fleet Zhoushan base after the base because of the shallow depth of the surrounding waters, the shallowest is only 20 meters, the average depth of less than 50 meters. East ship conventional submarines need to sea ferry about 200 nautical miles to 300 nautical miles or so, in order to reach the submarine with the depth of the dive depth of the sea. Therefore, the face of the US-Japan anti-submarine warfare layout and intensity of China's submarine force outbound exposure rate is very high. Japan and the United States by virtue of the United States developed a comprehensive space-based intelligence support system, you can quickly get my submarine force movement and motor direction. On this basis, Japan and the United States can use the world's largest and most advanced P3C fixed-wing anti-submarine fleet, submarines in my conventional submarine break through the region, set things covering the Okinawa Trough and the first island chain area, depth of 300-400 nautical miles, With the first island arc area deployment, high-density air anti-submarine patrol area.
This will largely curb my East China Sea Fleet of the conventional submarine force, to break through the island chain to the east, to the southeast into the Taiwan Strait area, to the northeast coast of Japan to enter combat areas.
In general, the diesel-powered submarines in order to improve the charging speed, and to ensure that the life of the boat, combat system electricity required, generally in the whole boat 60% of the charge that needs to be added. This will inevitably lead to diesel-powered submarines in the Okinawa Trough into the front, or into the Okinawa Trough soon after, it will face less than the need to recharge the battery more than recharge the situation. China's diesel-powered submarines, whether floating charge or charge state to the ventilation tube, up to 6 to 14 hours in the charging process, the exposure rate and exposure time will increase dramatically. This means that the high-density deployment of P3C anti-submarine aircraft in the area of the first island chain will effectively detect the diesel-powered submarines in the overlapping anti-submarine patrol area. As I diesel-powered submarines exposed, the enemy anti-submarine patrol aircraft can be deployed immediately after the anti-submarine fire attack, even if I diesel-powered submarine dive to avoid a smooth, will face the P3C for a long time to suppress the situation. Therefore, China's conventional submarines in Japan and the United States under the anti-submarine encirclement is basically difficult to play a tactical and strategic role, was nailed to the first island chain in the Chinese military port, and the Chinese Navy is very passive. In addition to the war environment is very bad outside the East China Sea, the Yellow Sea and the South China Sea is also very embarrassing, in short, China's conventional submarine forces in the face of Japan and the United States formed a multi-platform multi-level high efficiency joint anti-submarine system, its combat potential is basically complete Repression, combat deterrence ability to be contained in the strategy.
Figure: Chinese Navy submarine force is now the main - 039 type
In order to reverse this unfavorable situation, to break the enemy strategic anti-submarine system containment, change my submarine force is currently extremely unfavorable battlefield situation, the Chinese navy in 2000 after the extraordinary speed, research and production equipment troops 039A late type and 039B type AIP hybrid submarine, the fixed-wing aviation anti-submarine patrol aircraft rely more on airborne radar and forward-looking infrared search sensors and other surface search equipment, to improve their search efficiency and search potential range. Once this advantage is lost, the effectiveness of fixed-wing AV patrols will not be ideal, such as nuclear power and AIP hybrid submarines that do not require the use of a breather tube, which will result in a dramatic drop in search and anti-submarine performance. Therefore, the 039A late-type and 039B AIP hybrid submarine service, the effectiveness of Japan-US strategic anti-submarine system effectiveness of the overall efficiency of the crisis, and I am the people through the construction of AIP Navy boat team, changed the main battle submarine structure, Japan-US anti-submarine system over-reliance on fixed-wing aviation anti-submarine patrol aircraft of this major drawbacks. And the use of anti-submarine patrol aircraft rely on airborne search radar, to complete the high efficiency and large-scale patrolling anti-submarine of this important technical defects, to achieve an effective strategic counter. It can be said, 039A late 039B type and type AIP hybrid submarine service, completely change our submarine force is currently extremely unfavorable combat environment for the people of the Navy to break through the first island chain into the east side of the island chain and the eastern part of Japan and the Taiwan Strait combat Strategic planning to create favorable conditions. In addition, our military 039A late 039B and type AIP hybrid submarine service forcing Japan and the United States developed a new generation of P-8 and P-1 new anti-submarine aircraft, resulting in Japan and the US-based anti-submarine fleet construction confusion, contain enemy military asset allocation . It can be said, AIP submarines in the underwater game plays a Jones role.
Data: Chinese underwater wolf
China since the early 80s of last century began to AIP submarine power technology research, the late 90s of last century to determine the Stirling heat engine-based technology development main direction to a new generation of fuel cells and integrated telex technology, supplemented by The development of the layout. In 1998, China has successfully developed a completely independent intellectual property rights of the first Stirling heat prototype principle. In 2002, the successful development of engineering prototype, the overall level reached the international advanced level, part of the technology in the international leading position. In 2005, the China Shipbuilding Heavy Industry Corporation seven one one of the research team based research team after hard work, in the year to achieve our own research and development of Stirling engine through technical appraisal, and then stereotypes. China's Stirling engine and the Swedish V4-275R series performance close. Stirling heat engine fuel is the diesel fuel oxidant is liquid oxygen, so Stirling engine's logistics supply is relatively simple. As long as the oxidant can be effectively replenished, Stirling AIP submarine underwater life will also be greatly improved from this point of view as long as the way to provide some simple liquid oxygen supply, China's AIP submarine underwater submersible continuous submersible capability, Will be greatly improved, it is assumed that the use of AIP power, 039B-type boat to 4 speed continuous submerged 2300-2500 nautical miles, is 039A several times earlier models. AIP power to bring the submarine revolution so that China's submarine force can be leisurely secrets to sneak into Japan Kyushu, Shikoku and Honshu to the southwest, you can quickly into the central region of the Philippine Sea, in fact, is benefited from AIP power, China Of the submarine forces to expand the scope of operations nearly 10 times, a series of new tactics and new tactics came into being. It is precisely because the application of AIP power, China's new conventional submarines and the latent potential of stay has been an unprecedented strengthening. This means that our two main fleet of submarines will have the ability to subtle breakthrough in the island chain, access to Japan's eastern local intensive commercial routes of mobile combat capability. Such a strategic situation for the People's Navy submarine force combat deterrence and combat effectiveness, can be described as far-reaching.
In addition, the development of AIP-powered submarines on the one hand to meet the current stage of my People's Navy submarine forces for the urgent need for excellent equipment. On the other hand for our small nuclear submarines and the number of rapid accumulation, to gain a valuable strategic buffer time.
For the future of China to build a quantity of quality are more excellent nuclear submarine force, to achieve a strategic upgrade of the PLA Navy submarine force combat capability and deterrence, play a very important role. In summary, 039A-type and 039B AIP hybrid submarine batch equipment is the People's Navy since the nuclear power submarine after the successful development of another milestone.
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Kockums Stirling AIP system
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