warrior monk
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China is making progress but it has a lot of catching up to do with the westthe j10b is an exelent example of a 4+ gen fighter
the j31 isa 5th gen example and a few years away from having the ws-13 engine
the j11d is a 4+ fighter jet it got an indigenous engine on it and one that has a full combustion so theres no smoke trail same with the ws-13
j20 5th gen fighter not much available on that yet still in testing/development.
5 years is a good conservative estimate. all you need to do, is go to an arms expo to see china tech.
WS-13 is new untested turbofan with a decent LBPR but with a low life span as reported from some sources though the sources may be under estimating it . The TeT of the engine is only 1,377 °C which is lower than western engines and the dry thrust of 52 KN can hardly be called western standard even Kaveri of India achieved it .TWR of 7.8 is low for a 2500 lb engine which proves that Chinese have yet to master the SCB nickel based super alloy of 3rd generation which has 6.3 % rhenium , 8 % cobalt and 4% chromium for high TeT . I think they also have have yet to master the TBC for the blades . Therefore I highly doubt Chinese aircraft ability to take off without reheating with the inefficient engine which is exactly the problems we Indians had and not able to do high g maneuvers . This will also reduce the engine TBO . Infact WS -13 is a crappy engine with a inefficient Brayton cycle , India's Kaveri has better specs.
Lets not compare the air frame stress of Chinese fighters with western fighter . I bet no Asian made fighter aircraft have more than 4500 hr air frame stress limit even with low g maneuvers and low AoA with a depleted flight envelope , Tejas has a 4000 to 4500 hrs air frame stress limit . Russian fighters have 6000 hrs air frame stress and Western fighters have more than 10000 hrs air frame stress. For eg Pakistani F-16 have stress limit of 8000 hrs compared to 6000 hrs for India's Russian fighters. So no comparison between western origin fighters and china's.
Chinese AESA radars probably use GaAs T/R modules compared to GaN which is an advance solid state RF power amplifiers which has a higher break down voltage compared to GaAs modules of China . GaAs based T/R modules will melt and turn into goo and lose their semi conductor properties at higher power.
Chinese AESA radar systems’ heat flux and thermal loads are not comparable to western systems , It is bad that they are using GaAs modules with low breakdown voltage and top of that I don't think their thermal load and heat flux system is efficient . In surmise the Chinese modules will be inferior to western modules and will have less radiating power so will have a tough time against a stealth fighter.Lets not even talk about their packaging capability for T/R modules .F-22's AESA uses 2000 T/R modules with a higher DSP processor which uses two-phase liquid cooling technologies .
I can go on comparing Chinese systems which look good on paper with Western systems but we have deviated enough from topic.
The Chinese are making a lot of progress but are behind western tech by a significant margin.
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