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As soon as this statement came out, everyone present could no longer hold it back. There is no way that the amount of information in Tang Lili's remarks is too large. There have been many experts in the expert group and the leaders of the navy who have not enough brains. .

However, Tang Lili ignored these self-consciously and continued: "I just said that the core aircraft used by the WD-72E heavy-duty aero engine to be used on the FC-23 heavy-duty carrier fighter is HX-30-27-C. This is just an entry-level version of the HX-30-27 series.

Although the H-ZB-600 series ceramic matrix composite materials are also used; the brand-new nickel-based titanium rhenium niobium hafnium alloy, namely the alloy X-1 material of China Ascendas, and the 0.15mm film cooling hole process and other materials and manufacturing technologies, But because the core of our positioning of the WD-72E heavy-duty aeroengine is high reliability and long service life, we use mature products that have been tested for many years or partly widely used in materials and manufacturing processes.

Because of this, the HX-30-27-C does not pursue extreme performance, but uses 1800 Kelvin, an entry-level indicator, to be used on carrier-based aircraft with extremely high reliability requirements.

As the real backbone model HX-30-27-E of the HX-30-27 core engine, the temperature in front of the turbine will be further increased by 1973 Kelvin, which is 1700 degrees Celsius. We are developing an improved version of the WD-72E heavy-duty aero engine, WD —72G cruise thrust will reach 10 tons, afterburner thrust will be increased to 14.8 tons, engine mass is 1.4 tons, thrust-to-weight ratio is 10.5, and the tail nozzle is equipped with a three-dimensional vector device, which can fully meet the next generation of combat aircraft and the third generation. The use requirements of combat aircraft! "

"Comrade Tang Lili, you China Ascendas has started to develop the WD-72G engine?" A navy chief asked with some surprise. Not only this chief, but almost everyone in the audience stared at the stage with disbelief.

Although industry insiders have been clamoring that the aviation industry will advance power first, chanting slogans is one aspect, and whether it can be achieved is another matter. Because of this, although the industry is constantly increasing the development of next-generation aero-engines. On the lips, there was no one who actually acted.

After all, nowadays, some domestic units can't even produce ordinary high-thrust aero engines, let alone the next generation of heavy-duty aero engines with higher technical level. Compared with such high investment, high risk, and long-term actual implementation, Playing tricks is not only easy, but it can also be favored by leaders and public opinion, so why not do it.

In such an atmosphere, China Ascendas suddenly said that it has begun substantive research and development of the next generation of aero-engines, which made many experts and scholars of the so-called KouHai behave like a ghost, and their heads were buzzing. .

Actually someone really invested heavily in the next generation of aero engines?

Actually, some people actually deployed to play tricks, but to sullen their heads?

Someone really got ahead?

My goodness, what kind of monster is China taking off!

Faced with the surprise gazes in the audience, Tang Lili turned a blind eye to the insulator, but shook her head at the navy chief who asked the question: "In fact, we have already started the development of the WD-72G engine. Take, for example, the integral blisk technology applied to this engine. Ascendas China developed the linear friction welding process for this as early as 15 years ago.

There is also the alloy X-5 material used on the WD-72G engine, in which the metal rhenium has been increased from 0.13% of the alloy X-1 to 0.85%, so that the nickel-based titanium-rhenium-niobium-hafnium alloy can continue to work at a high temperature of 1500 degrees Celsius 5870 hours.

With a new type of cooling air film structure created by the high temperature resistant ceramic coating and 0.08mm ultra-precision film cooling hole technology, the WD-72G engine can run continuously for more than 8,000 hours at a temperature in front of the turbine at 1700 degrees Celsius. At the same time It can also ensure better fuel economy. According to our actual calculations, the fuel consumption rate of the WD-72G engine in cruising state is 0.47 kg kilowatts per hour, and the fuel consumption rate during afterburning thrust is 0.88 kg kilowatts per hour.

But this is not the best fuel economy among a series of aero engines developed based on the HX-30-27 core aircraft. Our carrier-based aircraft development team built the Yun-15Mini for the carrier formation on a multi-purpose transportation platform. The cruise fuel consumption rate of the WD-70J-neo turboprop engine used is 0.27 kilowatts per hour, but the maximum power reaches 5800 kilowatts, or 7885 horsepower; the continuous output power also has 4200 kilowatts, or 5710 horsepower.

Of course, because of the increased power, the quality of the WD-70J-neo turboprop engine is heavier than similar models. It is 1.2 tons. Fortunately, our power-to-weight ratio is well controlled, which is 4.8. So it can At the long-distance take-off and landing point of the Kuznetsov-class aircraft carrier, it is easy to rely on two WD-70J-neo turboprop engines to transport an empty weight of 18.75 tons; a maximum take-off weight of 32.84 tons—15Mini ship-borne multi-purpose transport platform Full of oil and full load to the blue sky..."

"Comrade Tang Lili, I have to interrupt you again..." Before Tang Lili could finish speaking, the old expert who was the first to ask the question, sitting in the middle of the review panel, interrupted Tang with a look of astonishment. Lily's continued introduction, and then a little unbelievable but more of an uncontrollable excitement, staring directly at Tang Lili, and asked very carefully: "The Yun-15Mini shipboard multi-purpose transportation platform you mentioned just now is What is it for?"

"Then it depends on the specific plan of the Navy. Anyway, our Y-15Mini carrier-based multi-purpose transportation platform is a very small aviation product, and its basic positioning is similar to that of the U.S. Navy's C-2'Greyhound' carrier. The transport plane is almost the same. UU Reading www.uukānshu.com is not very adaptable, so we just made a multi-purpose platform without further development. After all, we also have to consider the cost. Of course, if the target customer is willing, transport— The 15Mini shipborne multi-purpose transportation platform can fully meet the following needs..."

With that, Tang Lili walked to the laptop in front of her, replaced it with a new PPT, and then pressed the remote control in her hand. The large screen behind her quickly switched several screens, and she was short and stubby in a short time. The plane with straight wings and an integral tail structure with four small vertical tails stopped on the real picture, and then a row of small characters appeared on the screen.

The few good-eyed people in the audience quickly read the contents of the small print: "The fuselage is 18.9 meters long, wingspan 26.6 meters, height 5.56 meters, empty weight 18.75 tons, maximum take-off weight 32.84 tons, practical ceiling of 12,000 meters, the largest The level flight speed is 687 km hours, the maximum range is 3,200 km, and the maximum endurance time is 7.5 hours. The platform is safe and reliable. In the future, it can be used as a carrier-based early warning aircraft, carrier-based aerial refueling aircraft, carrier-based transport aircraft, ship-based anti-submarine patrol aircraft and other special ship Aircraft modification platform..."

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