Thursday, 27 October 2011

J-10B Multirole Fighter Aircraft

The J-10B is a modified variant of the J-10 multirole fighter aircraft, with modifications in airframe and avionics. Chengdu Aircraft Corporation (CAC) of AVIC began to develop a follow-on variant of its J-10 f

fighter around.

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The J-10B features a chin-mounted diffuser supersonic inlet (DSI) air inlet. The traditional rectangle-shape air inlet on the J-10 requires a large moveable inlet ramp to generate a rearward leaning oblique shock wave to aid the inlet compression process. The ramp sits at an acute angle to deflect the intake air stream from the longitudinal direction. The air inlets comprises many moving parts, which increases the aircraft’s weight and radar reflections.
The newly designed rampless inlet, first tested on the FC-1/JF-17 fighter design by Chengdu, employs a one-piece bump at the top of the inlet replacing the movable ramp. This eliminates all moving parts on the inlet, lightening the overall weight and reducing the aircraft’s radar signature.

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