Ye Tian naturally didn't know.
Because of him, a few female streamers were targeted by the security bureau.
However, to him.
This was very normal.
The National Security Bureau would definitely attach great importance to something that could be used for both military and civilian purposes.
Sitting in the armored vehicle.
Ye Tian's expression was calm.
There were soldiers with loaded guns beside him.
Their expressions were serious.
The order he received was that this person's identity was very important.
He had to protect his safety at all costs.
At this moment, Ye Tian was thinking about the information he had on the aircraft engine.
Aero engines were divided into piston-type and jet-type engines.
Modern aircraft no longer used the piston-type aero engine due to its low efficiency.
However, the rise of drones in recent years has made the piston-type engine useful again.
Jet engines could also be divided into turbine jet, fan, and propeller engines.
Due to the high fuel consumption, the turbine jet engine had been replaced by the small bypass fan engine, which was used for fighter aircraft engines.
The development trend of the propeller engine was also replaced by the propeller engine with higher propulsion efficiency.
In fact, the small bypass ratio, large bypass ratio, and propfan engines were all branches of the turbine engine.
It could be said that modern aircraft engines were basically all turbofan engines.
Various types of turbofan engines were used in different aircraft according to their characteristics.
The small bypass ratio turbine engine was mainly used for fighter jet engines.
Large bypass ratio engines were mainly used to power civilian passenger planes and transport planes.
What he had in his mind included information on civil and military aviation engines.
Even if it was just some data.
Ye Tian was certain.
The military must have received the report before they paid so much attention to him.
……………………
Ye Tian finally arrived at the 157 Research Institute.
After verifying his identity.
He was brought into a meeting room.
In the meeting room.
Seven or eight old professors with gray hair were waiting there.
"I'm Guan Zai."
The old man in the lead said to Ye Tian,""I was very surprised to receive your teacher's call. I didn't expect you to have such deep attainments in aircraft engines.”
Ye Tian smiled." You flatter me, Professor Guan. I just had a sudden idea."”
"Haha, a sudden idea can make us old men jump in fear. You're not ordinary, little guy.”
Guan Zai said with a smile.
He wasn't joking, he was speaking from the bottom of his heart.
The domestic aero engine imitation started late, and it was estimated that it was nearly 30 years behind the United States.
In terms of generations, they were more than a generation behind the US.
From a military point of view, although the domestic aero engine has just met our own assembly needs, the problem is that our technical level is lagging behind foreign countries.
This meant that there were flaws in certain aspects of the aircraft!
Ye Tian's thoughts gave these experts a different perspective.
This was why they had called Ye Tian over.
"Little Ye, tell me what you think.”
Guan Zai said gently.
Ye Tian nodded and walked to the big screen.
"Teachers, since everyone wants to hear it, then I'll speak freely and say a few immature ideas.”
Following Ye Tian's opening speech.
Everyone's eyes were focused on him.
"Aero engines have the highest technical requirements among all the machines invented by humans. They have to work for a long time, have a high output power, be light enough, and work under extremely harsh conditions (high temperature, high pressure, and vibration).”
"I heard that the Americans had an estimation, but I don't remember it very clearly. The difficulty of a car is 10 to 50, the difficulty of a plane is 200 to 400, and the difficulty of an aircraft engine is 1,000!”
"Among the major powers today, we have the worst foundation and the worst national security environment since World War II. However, through hard work, the gap between China and the world's highest level of aerospace development in the past 70 years was gradually decreasing.”
Ye Tian said.
The entire meeting gradually fell silent.
Everyone was listening to his story.
From time to time, someone lowered his head and started to take notes.
There were also people who started to calculate something.
Ye Tian was slowly beginning to talk about data.
In fact.
Ye Tian had mentioned these things.
Before he came, he had checked some information in the country.
Ye Tian realized.
In the past few decades, the development of domestic aero engines had actually been very fast.
In the 1950s, we were only able to imitate two two-ton class turbojet engines with the help of our big brother and gradually complete the domestication. At the same time, foreign countries were already testing five-ton class turbojet engines.
"In the 1960s, without external assistance, we independently developed the hollow turbine blades of the six-ton-class turbine engine and succeeded. In terms of time, we only lagged behind the United States, but during the same period, foreign countries were already equipped with ten-ton-class turbine engines.
In the 1970s, without a high-altitude platform, they tried to develop a nine-ton class turbofan engine on their own, although the outcome of this attempt was destined to be ominous.
In the 1980s, he solved the surge problem of the Turbojet 7 engine alone, successfully developed the Turbojet 13 engine with reference to foreign designs, carried out the pre-research of the thrust ratio 8 mid-thrust core engine, and formulated the structural integrity guidelines of the aircraft engine with reference to foreign standards.
In the 1990s, the high-altitude platform was built, and the development of the Turbojet 14 engine was based on the engine integrity guidelines. The development of the core engine was completed and continued to evolve to the verification stage. The high-thrust turbofan engine was developed again based on the CCM56.
And now, Ye Tian's data was twenty years ahead of foreign engines.
How could they not be excited?
If Ye Tian's plan succeeded, it would mean that China's aerospace engine development would leap forty years and become the world's leading engine.
Under such circumstances, no one could not be tempted!
[PS: This chapter contains a lot of professional knowledge, but it's all really useful. An aircraft engine is very awesome. Oh my, big shots!] Kneeling ticket!
This book comes from：m.funovel.com。