Chapter 612: Technology has surpassed Lao Maozi(2/2)
factory.
Speaking of engine research and development, we have to mention the father of domestic aviation engines, Mr. Wu.
Mr. Wu lived in the war years and went to the United States to study. After returning, he joined the aviation industry.
In the 1950s, with the introduction of the MiG-17 into the country, the matching VK-1F engine was also introduced. At that time, Mr. Wu was the designer of the engine. After the J-5 was successfully copied, there were many differences in how the aviation industry developed.
Some people thought that imitation or import would be enough, but what Wu Daguan, who was the director of the Second Production Division at the time, thought was that only by independently developing engines could China truly achieve a qualitative leap.
This chapter is not over yet, please click on the next page to continue reading! Mr. Wu and Mr. Xu jointly submitted a report, suggesting that they should design and manufacture their own engines, and at the same time establish aerodynamic research and aero-engine research institutions!
After approval from his superiors, Mr. Wu first established the first jet engine design room in China at Factory 410 and served as the director of the design room. When various conditions were not met, he began to design the power engine for my country's first jet trainer aircraft.
In 1961, Mr. Wu and the leaders of the Air Force at the time established Institute 606. Mr. Wu served as the deputy director and aero-engine expert, jointly taking the lead in China's first aero-engine research institute.
After going through the twists and turns of many models, Mr. Wu later went to the 430 factory to help imitate Sibei, and never came back. However, he was still concerned about the 606 Institute, and the turbofan ten project was promoted by Mr. Wu.
Now, the chief designer of Turbofan 10 is Mr. Zhang. As the person in charge of this project, he feels a great responsibility and a lot of pressure. Looking at his white hair, Qin Tao also feels very emotional.
It is because of unknown scientific researchers like Mr. Zhang who work day after day that the motherland's military industry has finally developed to the world's top level!
The early Turbofan 10 was also extremely immature, so many people said that Taihang was not very good. However, later on, the Turbofan 10 finally matured, and even forced the Turbofan 15 to go back to the factory to improve performance.
"Welcome, welcome everyone to come to our 606 Institute for inspection." Mr. Zhang greeted everyone enthusiastically. When he saw Yemelyanov, he was very enthusiastic: "Mr. Yemelyanov? Are you Sukhoi Design
The consultants sent by the bureau will definitely be able to give us better advice on our engines. Please come in, please come in quickly!"
Everyone first came to the conference room, and an introduction to Turbofan 10 was played on the projector screen.
“Our turbofan ten engine uses a three-stage fan, nine-stage rectification, one-stage high pressure, one stage low pressure, a total of twelve stages, and a single-stage high-efficiency, high-power, high-low-pressure turbine. It is a high-thrust, high-thrust-weight-ratio, low-bypass-ratio
Advanced engines.”
A layman sees the fun, an expert sees the door. Yemelyanov just took a look at the structure of the engine and knew that it was different from the third uncle. In jargon, the structure of the turbofan ten is 3 9 1 1, while the third uncle is
4 9 1 1, if there is one less fan, then it is a different type.
"At that time, the turbofan six we developed was abandoned halfway, but we believe that the current turbofan eleven will be successfully developed. Its initial thrust can reach 13 tons. When the later improved model is developed, it can easily reach 14 tons."
Listening to these data, Yemelyanov's face became more and more ugly, and he had already heard the meaning of these words.
If this engine is successfully developed, then there will no longer be any need for their third uncle to sell it to the East. The Orientals can definitely have better and more advanced engines!
If you want to sell, you can only sell more advanced engines!
"As for the life span that the Air Force is most concerned about, our engine's first overhaul life can reach one thousand hours, and its full life can reach three thousand hours."
Yemelyanov was stunned again.
The characteristic of Lao Maozi is that it has a short lifespan. On the battlefield, it can fly for less than a hundred hours before being destroyed. However, in peacetime, its short lifespan becomes a liability.
The life span of Third Uncle's first overhaul is 300 hours. After two or three overhauls, it will be scrapped. The entire life span is about a thousand hours. The lifespan of this advanced engine in front of me is three times that of theirs!
This means that the cost of using the engine will be greatly reduced!
Yemelyanov's heart was in confusion, and a thought appeared in his mind: How is it possible, the engine is the crown of the aviation industry, do Asians have this ability? Can they develop engines whose performance far exceeds their own?
At this time, Mr. Zhang continued to explain. When he saw the picture of the internal core machine, he seemed to understand.
This core engine is very similar to the American engine. This time, the Easterners did not copy Da Mao, but copied the West! For some reason, he suddenly felt a sense of loss in his heart.
In the past, the target of plagiarism by Easterners was Lao Maozi, but now? Easterners actually look down on it!
In the following time, Yemelyanov was in a state of confusion. He only heard a lot of things scattered about, such as the turbine front temperature of 1,800 Kelvin, and the special alloy materials. In short, this engine sounded
It looks very classy!
However, is such an advanced thing real? Will these people deliberately use a PPT to deceive themselves? Yemelyanov sought comfort for himself and finally found such a reason.
But soon, his idea was proved to be untrue.
"Everyone, we can go to the high-altitude test bench now. Our engine is currently undergoing high-altitude test run." After the introduction, Mr. Zhang took everyone to the test bench.
High-altitude test run is the last step before the engine is installed on the aircraft, which shows that the development of this engine is very smooth!
Yemelyanov looked at the engine running at high speed on the test bench with mixed emotions. The roar of the engine came to his ears, and his face became even more ugly.
"Through the test on the high-altitude test bench, we have obtained the complete thrust envelope of the turbofan ten. What excites us most is its high-altitude and high-speed performance." Mr. Zhang continued to introduce to everyone: "Look, there is a blackboard here.
, what is drawn above is the envelope of high-altitude and high-speed performance that we tested.”
The horizontal axis is M and the vertical axis is KN. Each line is the thrust envelope at a certain altitude. When he saw this picture, Yemelyanov opened his eyes wide.
The thrust loss of this turbofan at high altitude is significantly smaller than that of the third uncle. Moreover, the thrust recovery characteristics at high speed are much stronger than that of the third uncle. It can operate at multiple speeds at high speeds above the speed of sound and at multiple altitudes.
, it can produce more than 20KN of thrust at most than the third uncle.
This chapter is not over, please click on the next page to continue reading! When it comes to the maximum thrust of a certain engine, this is actually a limiting condition. Most turbofan engines have to lose thrust at high altitudes and high speeds, but,
The engine in front of me has very little thrust. It is simply a turbojet in a turbofan!
The thrust drops very little at high altitude and high speed, which means that this kind of engine has excellent high altitude and high speed performance, which is very important for fighter aircraft to perform emergency missions. Even if it cannot cruise at supersonic speed, it can at least fly at the fastest speed at high altitude.
The performance of this kind of engine is even better than that of my third uncle!
So, will Orientals continue to purchase third uncles in large quantities?
After completing the inspection in No. 606 Institute, Yemelyanov was in a very bad mood. When he went to the bathroom, he happened to see Qin Tao again and immediately asked for help: "Qin, you are completely out of control.
We need the rhythm of our engines.”
Although the engine is from the Ryulica-Saturn consortium, the Sukhoi Design Bureau is the general contractor, and they can still make money from it. But now that the Orientals have advanced engines, it is impossible to purchase Sanyi in large quantities.
Well, Sukhoi Design Bureau will have to reduce a lot of expenses.
"How is that possible?" Qin Tao smiled and said: "If it is my third uncle, maybe we will reduce the purchase quantity in the future, but you have a more advanced engine than my third uncle!"
An engine that is more advanced than the third uncle? Yemelyanov's face was suddenly stunned: "Is Mr. Qin talking about the fourth uncle?"
According to Lao Maozi's model development rules, after the third uncle, there will be the fourth uncle, that is, the AL-41F engine. As the engine of the next generation fighter, its development is even earlier than the MiG 1.44 project.
Chapter completed!