The military-industrial scientific research system of the academic master.

"Academician Chang?"

After a few seconds of silence, Jiang Zonglin asked in a confused tone:

"He doesn't seem to have any direct relationship with our field...right?"

He did have some understanding of Chang Haonan, otherwise he would not have been able to make those analyses just now.

But this is mainly due to the fact that the latter has been the top figure in the domestic academic circle in the past two years, and it is inevitable that he will be mentioned in daily chats and gossip.

In fact, it is just normal attention to the big guys in the same industry.

Therefore, Jiang Zonglin quickly looked at Chen Hong with an inquiring look.

After all, the other party just claimed that he had specifically checked Chang Haonan's research route.

However, Chen Hong just shook his head blankly, indicating that he was not aware that Chang Haonan had previously been involved in the field of hypersonics or shock wave wind tunnels.

Although the others didn't say anything, judging from their expressions, they probably had similar thoughts.

Of course, it's still a bit embarrassing.

Although what happened just now could not be considered as speaking ill of others behind their backs, it was still using others as a weapon.

Now the real culprit is here at the speed of light, and it always feels like talking about someone behind their back only to be caught in the act.

Fortunately, at this time, Academician Yu slowly stood up:

"No matter what, I have to go pick up Academician Chang first, otherwise he will be confused..."

The half-joking tone finally broke the slightly weird atmosphere at the scene.

As he said this, he picked up his coat from the back of the chair and put it on with the help of the staff next to him.

In fact, he only knew at this moment that his superiors had assigned several companies and research institutions, including the Institute of Mechanics, China Aerospace Science and Industry Corporation, and Aviation Power Corporation of China, to jointly organize project demonstration and preliminary research on practical hypersonic aircraft.

As for more specific situations, we have to wait for the official documents to be issued.

Or wait and hear if there is any other news from Chang Haonan.

But in any case, the ultra-high-speed wind tunnel, as an indispensable infrastructure for hypersonic research, must be the top priority at this stage.

In terms of resources, it probably won’t be as tight as it was in the past few years…

When the others saw this, they also stood up and prepared to go out to greet them.

After all, the visitor is an academician, so we must give him enough respect.

But Yu Hongru stopped him by raising his hand:

"Just wait here."

"We don't know the specific confidentiality level of this matter yet, but I'm afraid it's not appropriate to make too much of a fuss outside..."

Those who can sit in this conference room have all been involved in highly sensitive projects.

Some of those with more seniority even came from the two bombs and one satellite project.

So after listening to Yu Hongru's explanation, they all sat back in silence as he said.

It was not until Yu Hongru and the staff member left that some whispers were heard again in the conference room.

As for the topic, of course it still revolved around Chang Haonan who suddenly appeared.

But soon, a voice came from an inconspicuous position at the end of the conference table:

"I suddenly remembered that Academician Chang seemed to have published a paper related to hypersonics before..."

Everyone's eyes were focused almost instantly.

Among them, Chen Hong's face was full of disbelief:

"paper?"

He paused for a moment:

"There aren't that many papers by Academician Chang. I should have read them all..."

The person who just spoke was another favorite disciple of Academician Yu Hongru and also Jiang Zonglin's junior fellow student, Li **.

Because I have only joined the Institute of Mechanics for a few years, I have been a small and transparent character most of the time.

He was a little uncomfortable with suddenly becoming the focus of the entire conference room.

"It was a paper written many years ago. I only saw it by accident..."

Although paper retrieval software such as CNKI had already appeared in China as early as the late 90s, its database was still quite incomplete in 2005.

Many papers, especially those from the last century, cannot be retrieved.

As Li** spoke, he operated the laptop in front of him.

Then turn 180°:

"This is the article published in 1996, "Study on the integrated layout of the dual-module mandibular inward-turning air intake/conical forebody"..."

The computer screen was not very big to begin with, and Chen Hong and Li** were far away from each other, so they couldn't see the specific content on it clearly.

But even just by hearing the title, he was sure that he had never seen it.

"1996 years..."

Chen Hong narrowed his eyes slightly:

"Academician Chang was born in 1976, so he was only 20 years old at that time. If you calculate, he should still be in... his junior year?"

As soon as these words were spoken, the atmosphere in the entire conference room suddenly became a little tense.

Firstly, the papers published ten years ago are too old and, except in very few fields, it is difficult for them to provide any useful guidance for cutting-edge research.

Secondly...

Junior year is really a bit too young.

Engineering is something that requires a lot of experience. Everyone knows that Chang Haonan's first serious participation in a project was from late 96 to early 97.

Therefore, few people paid special attention to the articles published before this.

No wonder Chen Hong had no idea about this.

Even Li **, after rereading the summary and conclusion, said helplessly:

"Well, this paper focuses on the transonic range... It only mentions at the end that the same design method can be extended to a faster speed range, but after exceeding five times the speed of sound, it is difficult to reproduce actual flight conditions, so the accuracy cannot be further guaranteed..."

However, this unintentional remark made the eyes of Jiang Zongli and Chen Hong, who were sitting in the front, light up at the same time.

Although the two of them had just argued fiercely, they actually had a good relationship on a daily basis.

The moment their eyes met, he could tell that the other person was thinking the same thing as he was.

Finally, it was Jiang Zonglin who spoke first:

"Back in 96, they mentioned the idea of ​​reproducing flight conditions. It seems that Academician Chang really had done research on hypersonic issues since then..."

The others who were still in the dark suddenly woke up.

In fact, Chang Haonan had just been reborn that year, and most of the knowledge in his mind was still related to the JF22 wind tunnel project in his previous life.

Therefore, when writing that paper, I almost instinctively wrote some technical terms that were not widely circulated at that time.

Strictly speaking, it should be considered a mistake.

However, looking back nearly ten years later, it actually became evidence of his foresight.

There are great scholars who have debated for me.

……

Just as the discussion among the crowd became heated again, a chaotic sound of footsteps came from the corridor outside.

Mixed in with it was the loud laughter of Academician Yu Hongru.

Obviously, the main person they had been discussing had arrived.

Sure enough, just a few seconds later, the two doors were opened at the same time by two staff members, and a group of people led by Academician Yu appeared outside the door.

The obviously younger person next to him was obviously Chang Haonan.

"Academician Chang, please go first."

"Please..."

After some polite exchanges, the two entered the meeting room one after the other.

A dozen people at the table also stood up to show their welcome.

Fortunately, the conference table was wide enough, so Chang Haonan simply added a chair and sat next to Yu Hongru.

Forming a layout with two first places.

As for the other people who were traveling with him, they were Chang Haonan’s security and entourage, and did not participate in this meeting.

After everyone took their seats, Yu Hongru quickly got back to the point:

“Academician Chang’s arrival today is just in time. Two capable people from our institute were just discussing the next key development direction of the ultra-high-speed wind tunnel…”

While introducing the situation, he gestured to Jiang Zonglin and Chen Hong on both sides of the conference table:

"Now that our superiors want to develop a practical hypersonic aircraft, why don't you, the 'judge', guide our subsequent work?"

Although the superiors did not specify in the verbal notification which unit would be responsible for the entire project, from the perspective of work development, the wind tunnel must cooperate with the research and development of the aircraft, not the other way around.

Moreover, Yu Hongru had heard on the way just now that his superiors made the above decision after listening to Chang Haonan's report.

So to be on the safe side, he chose to show weakness by joking first.

For Chang Haonan, sitting in the conference room of the Institute of Mechanics is just like returning home.

He had worked with most of the dozen or so people around this table in his previous life and was very clear about the level of the entire team.

In fact, there is no need for any specific business-level guidance.

Just give a definite direction and a theoretical basis.

"I don't deserve the responsibility of guiding..."

He waved his hand and said modestly:

“On the way here, including in the past period of time, I have read a lot of reports on the JF series ultra-high-speed wind tunnels, as well as the papers of Researcher Jiang and Researcher Chen. I consider myself a novice in wind tunnel engineering and need to learn a lot from you all…”

However, after saying this, his tone suddenly became serious again:

"Regarding hypersonic vehicles, my idea is to advance in stages... First, we will come up with an entry-level hypersonic weapon with a speed of around Mach 5 and an axisymmetric cone or double cone. At the same time, we will use related research to feed back to the aerospace field and prove the significance of our project to our superiors...

"So, the performance requirements for the ultra-high-speed wind tunnel at this stage are that the air flow velocity is 3-4km/s and the total temperature is not less than 4500-5000K... I know that your company has a shock wave reflection technology that can solve the problem of severe attenuation of the incident shock wave of the forward detonation, allowing the wind tunnel to achieve this performance indicator..."

Hearing this, Jiang Zongli's eyes gradually brightened.

This is exactly what he just advocated.

But almost immediately afterwards, Chang Haonan changed the subject:

"But in addition to this, in order to truly guide the design of the aircraft, it is necessary to ensure that the experimental time is long enough, at least in the double-digit millisecond level. This can be achieved with the help of the start-up shock wave reflection control technology and the shock wave/boundary layer contamination suppression technology..."

"In addition, the wind tunnel needs to be able to reproduce the test data with relatively high accuracy, which requires the multi-baseband interference wave system adaptation algorithm proposed by Researcher Chen. As for the hardware level... I can solve the supply of high-sensitivity new thermocouples through special channels. Of course, in the long run, it is more stable to achieve domestic production..."

"..."

The corners of Chen Hong's mouth also curved up...

However, Yu Hongru gradually felt something was wrong——

Judging from what the other party said, he obviously wants to have it all.

Of course, when we have the resources in the future, this is understandable.

The key question is...

How come it seems that Academician Chang knows more about the research of the Institute of Mechanics than we do?