Big good news: China’s fourth generation engine announced a major breakthrough!
eaten this morning received a message to Chinese 4th generation machine engine technology bottlenecks have been Institute experts break the whole hall was moved to tears for decades, jumping into a ball we finally made out his four-generation machine in front of the engine, but the task facing us is daunting 4th generation machine assembly drawing to a close and soon we can equipped with engines made its first flight.
this 4th generation machine engine is paid a lot of effort before scientists come up. Back in 2002, countries began to develop engine technology.
to 2005, but actually made little progress, leading right up every time, or engine, the General Assembly will have a small talk.
the United States in 2006 after a successful test flight, 4-generation machine leaders feel the pressure is unprecedented. Dead under a special command must be 10 years of China’s 4th generation machine to engage in it. The conference code is called “sprint plan.” The experts did not think ahead four years to complete.
how many generations this is the result of joint efforts ah! They abandoned the traditional engine of maturity from the third generation to fourth generation engine stage, our engine can not keep up earlier on the development speed of the body, scientists at the earlier time to focus all our attention to four-generation engine up. Across the whole generation. Go all out. So we will see a lot of third-generation machine engine also need to import, and 4th generation engine has been studied out. This is because the machine has invested in three-generation power of small, third-generation model will improve the engine less, anyway, and after the success of this engine of performance and stability testing. I believe that in the near future China’s engines will be more mature and more competitive.
vector that is popular jet engine can rotate in different directions to produce different directions of acceleration.
do not use the thrust vectoring aircraft, jet engines are coincident with the axis of the aircraft, the resulting thrust forward along the axis,
this case the engine thrust is used to overcome the resistance by the aircraft, the aircraft accelerated to provide power.
aircraft using thrust vector technology, it is deflected through the nozzle, the thrust produced by the use of the engine, get the extra torque control, attitude control of aircraft. Its outstanding feature is closely related to the control and engine torque, while the attitude of the aircraft itself is not affected.
Therefore, we can ensure that the aircraft for low-speed, high angle of attack maneuvers to manipulate the rudder almost fails to provide the additional use of thrust vector control motor torque to control the aircraft.
fourth-generation fighter aircraft required to have a stall maneuver capability, that the mobility of a large angle of attack.
aircraft using thrust vectoring technology not only greatly improve their mobility, but also has an unprecedented short takeoff and landing capability, this is because the use of thrust vectoring technology, aircraft over the amount of lift and thrust ring in the lift direction are conducive to reducing the weight of the aircraft from the ground and ground speed, shorten the distance the aircraft roll. In addition, the thrust vectoring nozzle is easy to achieve reverse thrust, the plane landed in substantial increases in braking force, so the more reduced the landing roll distance.
If you can not only up and down the engine nozzle deflection, but also around the deflection, then the thrust is not only able to provide the aircraft pitching moment, yawing moment also can provide, this is the full vector aircraft.
the use of thrust vectoring technology to improve the efficiency of the control of the aircraft, the aircraft’s aerodynamic control surfaces, such as tail and vertical tail can be greatly reduced, which can reduce the weight of the aircraft. In addition, the vertical tail and vertical tail to form a corner reflector and therefore reduced, stealth aircraft have also been improved.
binary vector refers to the engine and ternary vector engine installed in the engine tail pipe diversion system, the high pressure exhaust gas to change direction, then change the whole thrust of the state, to complete a series of maneuver. Vector sub-jet system, two kinds of binary and ternary. Binary system of the engine tail pipe can only swing up and down, high pressure gas can only be changed up and down direction; ternary system of the engine tail pipe can be used for full-swing, high pressure gas and thus to embark on change direction.
Army published a slump in China has a high thrust-weight ratio turbofan engine successfully developed core machine! TVC axisymmetric vector control developed touch!
aircraft thrust vectoring technology is changing the direction of the aircraft engine exhaust to provide greater steering torque technology. Aircraft thrust vectoring technology to give the fighters super maneuverability, short take-and low detectability, which greatly improved fighter’s combat effectiveness and survivability. United States, Russia and other developed countries as a key technology priority.
thrust vector technology in aircraft research, changes in the direction of the engine exhaust, that thrust vectoring nozzle research is the key possessed decisive part, you must first research and development. Axisymmetric vectoring nozzle (AVEN) was received in the conventional mechanical expansion out of a nozzle on the development of thrust-vectoring nozzle, diffuser nozzle deflection by changing the direction of the engine exhaust. The whole thrust vector technology in terms of aircraft, AVEN has a simple, lightweight, low-risk characteristics of the aircraft, engine modification requirements of the host small, is to implement the best technology, thrust vectoring nozzle program. AVEN research goal is to complete the target platform vortex fan of AVEN test pieces
development, and to achieve thermal test, but at present our Vector engine has a new breakthrough, but in view of confidentiality, temporarily unable to open.
but not the United States and Russia can best present the vector engine sold to China, so China’s latest fighter will use self-developed engine, the J14 is currently in flight test is not loaded on the outside of the vector engine This shows that our vector engine may be a major breakthrough, because we use the latest aircraft engine can not be lower than the J10 level.
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