In the conference room of the headquarters of Yonghan Aviation Technology Company, Chen Jianghe, who was responsible for designing the Qingkong 01 engine, was also introducing the full-color 3D design drawings to Zhang Haiping's military senior management at this time.

"Compared with the first-generation core engine, we have comprehensively optimized the design of the fan, high-pressure compressor, annular combustion chamber with pneumatic nozzle and floating wall flame cylinder, single-stage high-pressure turbine, single-stage low-pressure turbine with high-pressure turbine steering opposite, afterburner structure, and control system software. ”

Chen Jianghe said proudly: " And we have developed a set of intake duct control technology, which can make the engine have better performance in a variety of working modes, this set of technology is also called adaptive air intake technology internally, for which we have carried out a lot of simulation calculations, designed and tested a variety of three-channel adaptive fan configurations and compressors, and built two full-size core machines and a complete three-channel adaptive cycle engine prototype for a large number of tests, obtained a lot of data, and provided a very solid technical foundation for us to develop the second generation of core engine。 ”

"At the same time, we have introduced artificial intelligence algorithms into the aero engine control system and air intake duct control system, which makes our aero engine more intelligent and efficient, and the intelligence of the engine during the test process has been greatly improved compared with the first generation. ”

The first-generation aero engine of Yonghan Aviation Technology Co., Ltd. also continues the consistent characteristics of Damao: the thrust of the aero engine is very large, and the fuel consumption is high.

It's just that because of the addition of Liu Fuping's material experts, the engine is very reliable.

Over the years, Yonghan Aviation Technology Co., Ltd. has continuously carried out a lot of research and development on aero engine materials, processes, core engine components and structures, and constantly improved the structure of the first-generation core aircraft.

Da Mao's engine technology was originally derived from John Bull, but it is in the same vein as Rolls-Royce, Wang Yonglin brought over the technical team and the company from Da Mao Ermao to collect the engine designers on the technical route is not too different.

Zhang Haiping and others also seemed very excited, they had long heard that Huaxing Group was very powerful in artificial intelligence technology, and they did not expect that this technology had begun to be applied to aero engines.

"It's not really nice to sit here just looking at the blueprints, so let's look at the prototypes you've built. ”

Zhang Haiping said.

Wang Yonglin looked at Yang Jie at this time.

Yang Jie nodded, and then said to Zhang Haiping, Shen Jianhong and others: "Then let's go over?"

"Let's go, I'm eager to see the real prototype right away. ”

Zhang Haiping stood up at this time and said.

Everyone got up one after another, and then led by Wang Yonglin to a nearby factory.

At this time, there is a set of vertical take-off and landing system device connected to the transmission casing behind the tail nozzle, the mouth of the casing is vertically facing the ground at this time, there are several steering rings on the casing, the tail nozzle is fixed on the steering ring, and the 90-degree steering of the tail nozzle is realized through the hydraulic action cylinders on both sides.

This technology comes from Damao's R-9V-300 engine axisymmetric vector tail nozzle technology, but Yonghan Aviation Technology Company has also carried out technical upgrades.

Da Mao sold this set of vector tail nozzle technology to Eagle Sauce Rabbit twice, and the Turbine Research Institute of Hangfa Group Company carried out surveying, mapping, imitation and research after obtaining this set of vector engine technology and prototype, and designed its own core aircraft structure, which is also different from the core aircraft of Yonghan Aviation Technology Company.

The technical foundation of Hangfa Group comes from the aero engine company under the Weide Group Company, which is the technology of the eighties of the last century, and in 98 years, the technical data and patents of two engines were bought from Da Mao by taking advantage of the economic difficulties of Da Mao, which is a masterpiece.

These two engines include an R-9V-300 engine for vertical take-off and landing, because the urgency of the military top brass for vertical take-off and landing fighters is not too high, and the aviation development group company is mainly making technical reserves in this regard.

Yonghan Aviation Technology Co., Ltd. also obtained the technology of this R-9V-300 engine through Hangfa Group Company, and began to develop thrust vectoring technology, and the two also established a joint venture company to jointly research and develop.

Because Yonghan Aviation Technology Company is stronger than Hangfa Group in terms of core aircraft technology, the core machine of this vector engine is the second-generation core aircraft developed by Yonghan Aviation Technology Company, and because of the advantages of Huaxing Group in material technology, the current set of vector nozzles is also improved on the vector nozzle system of Damao.

Zhang Haiping was also pleasantly surprised when he saw this complex set of vector nozzles: "This prototype can be moved?"

Wang Yonglin said: "This prototype can be activated after powering up. ”

He then asked the technicians to power up the prototype, and then showed the vector nozzle in action, only to see the tail nozzle, which was originally almost perpendicular to the ground, rotated back like a writhing snake, and the tail nozzle was then parallel to the ground, and the rear end of the tail nozzle could be deflected slightly.

There are also two small jet ports on the left and right sides of the tail of the engine, and the angle of the jet ports is also downward, which can also provide left and right lift for future vertical take-off and landing fighters.

Zhang Haiping saw that there was a set of devices connected to the front of the intake fan of this engine, and he asked, "What is this device?"

"We have made the generator and the electric motor into one, this device can drive the engine when the engine starts, and after the engine starts, it can become a generator to provide power generation for the fighter, this technology has matured. ”

Wang Yonglin said.

In fact, this set of technology Huaxing Group began to develop very early, and at first it was mainly used in high-speed rail and its cars, mainly to recover braking energy.

When high-speed rail and cars slow down or brake, the wheels drive the motor to rotate through the transmission system, and the motor generates electricity and charges the battery through the motor controller, at this time the motor plays the role of a generator.

This integrated design Huaxing Group has been in use for seven or eight years, and a large number of its products are in use, which is a very mature technology.

Zhang Kelong said: "Your system is very different from the design and development of Eagle Sauce, they directly connect the front lift fan through a transmission shaft, and you are connected to such a device." ”

The vertical take-off and landing engine system designed by Huaxing Group is different from that of Eagle Sauce and Da Mao, Eagle Sauce uses a transmission shaft to take off and land by connecting the front lift fan, Da Mao designed two small turbofan engines in front of it to provide lift, and the lift fan in front of Huaxing Group Company uses an electric lift fan, and the design ideas are very different.

"Our Huaxing Group is a strong point in power and electricity technology, and maximizing our advantages is also the most in line with our design ideas. ”

Yang Jie opened his mouth and said.

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