The Military-industrial Scientific Research System of the Academic Master Chapter 844

Chapter 844: Capacity Allocation of Turbofan 10

No matter what Li Yabo thinks, the candidates for the defense review panel have been decided.

That is, after Chang Haonan graduated last year, Du Yishan officially retired to take care of his old age, otherwise he would have to raise another one...

"teacher…"

After Tang Lintian left, Li Yabo, who was numb, came to Chang Haonan's side with a frightened expression on his face:

“I just graduated with a bachelor's degree, so this is...”

“Don't worry too much, just prepare normally”

Chang Haonan was looking down at Li Yabo's paper at this time, and replied without raising his head:

“The content of your thesis is not a big problem for anyone who has graduated with a master's degree. No matter who comes, it will not be difficult for you.”

No matter whether you are an undergraduate or a master or doctoral student, the key to passing your graduation project is blind review.

Blind review is no problem. As long as the defense process is not particularly outrageous, you will not be stuck in graduation.

At best, it's just ugly on stage.

Of course, that's what it says.

As a person involved, Li Yabo should definitely be nervous.

Especially since he plans to continue his studies after graduation, he must still get a good evaluation for his thesis.

“Lizi, why is your face so white?”

After returning to the dormitory, a roommate quickly discovered something was wrong with Li Yabo.

“It's time to answer the question, I'm nervous.”

The latter was lying on the bed, looking like he was unconscious.

“I'm going...are you still nervous?”

Another roommate joked in an exaggerated tone:

“Didn't your boss just come up with an earth-shattering result?”

“That's right, the review teacher can't make things difficult for you even if it's for his own sake, right?”

“Besides, undergraduate thesis, isn't it just a matter of doing it casually, going through the motions and then waking up…”

A few people talked to each other, and the topic gradually changed from Li Yabo's mentor to their respective graduation projects.

Even their respective futures.

"well…"

Li Yabo, who was lying on the bed, sighed.

Obviously, his roommates still don't know what kind of devil-level lineup they will face...

“Anyway, you guys...especially Lao Bai and Wu Pangqian are going to graduate school...I still suggest you prepare well..."

Soon, it was time for the defense.

The oral defense for undergraduate students is different from that of graduate students. Students in a college are divided into several groups, and each group corresponds to the same group of oral defense teachers.

The whole process basically lasts from the morning to the afternoon of that day.

So, as one of the judges, Chang Haonan got up very early that day and arrived at the school about an hour early.

However, there were still many people standing in the corridor.

After all, June is entering. In addition to undergraduate students, it is also the peak period for graduate student defenses.

In the crowd, Chang Haonan happened to meet a familiar face.

Zhou Shuwan.

At this time, the other party also noticed him.

“Professor Nan…Chang…Chang, what are you…”

The moment he saw Chang Haonan, the most terrifying possibility flashed through Zhou Shuwan's mind—

My former classmates are going to be my defense judges...

“Oh, I'm here to check on the undergraduate students' defense.”

Zhou Shuwan breathed a sigh of relief.

However, Chang Haonan asked again.

“What about you? I remember your research team's laboratory is not here, right?”

"I…"

Zhou Shuwan's eyes darkened, and his expression suddenly became unbearable:

“Of course I'm here for my graduation defense…”

Chang Haonan swore that he had indeed forgotten.

It takes three years to graduate from a bachelor's degree. According to the normal progress, isn't that the graduation defense for a master's degree...

This is really a bit embarrassing.

“Then...will you continue to study for a Ph.D.?”

He quickly changed the subject.

“Definitely have to read it.”

Zhou Shuwan also knew that Chang Haonan could not have done it on purpose. He adjusted his mentality slightly and nodded:

“In the area of aviation life-saving equipment, our country has rarely even done systematic research before. It was only gradually developed after the introduction of the KD36D ejection seat with Project 11 in the past two years. This is when manpower is needed.”

The J-11 series fighter jets use HTY8, which is 100% restored according to the K36D drawings. Naturally, its performance is as world-class as the former.

However, the ejection seat needs to be adapted to the aircraft, so there is no way to directly move the HTY8 to other domestic aircraft.

Tactical aircraft are okay.

The HTY5 equipped with the J-10 is slightly inferior to the HTY8 in terms of ultimate ejection speed, but it is at least a decent third-generation ejection seat.

As for large aircraft, such as the H-6, the situation is not very optimistic.

Even maintains the "glorious tradition" of crew members ejecting downwards.

So, as Zhou Shuwan said, there is still a long way to go in this regard.

Just when the two were about to end their chat, a voice suddenly came from behind Chang Haonan.

Sounds a little familiar.

“Mr. Chang.”

Chang Haonan turned around.

It was discovered that it was Liu Gaozhuo. The commander-in-chief of Project No. 11.

Although he doesn't have as many contacts with Chang Haonan as he does with He Ming, who is in charge of production, they are still old acquaintances.

“You were also invited here...to serve as a defense judge?”

According to regulations, the defense committee of a graduate student must have members from other units.

Just like when Chang Haonan defended his doctoral thesis, he invited Yuan Xiangya and Qian Lao.

“Mainly come to the meeting and be a judge by the way.”

While speaking, Liu Gaozhuo also noticed Zhou Shuwan who was opposite Chang Haonan:

“Hey, it seems that he is here to be the judge...”

Then he turned his attention to Chang Haonan:

"you…"

“Classmates, classmates…”

After some explanation, Liu Gaozhuo finally understood the rather complicated relationship between the two.

“By the way, Mr. Chang, there is something I want to talk to you about alone after the defense is over.”

Before walking into the conference room opposite, Liu Gaozhuo walked next to Chang Haonan and whispered.

The latter was stunned for a moment, then nodded:

"Can."

“But it may take me a little longer. You can meet me at the computing center at four o'clock in the afternoon.”

The process of Li Yabo's defense was smooth sailing.

There was no situation where Chang Haonan argued with the Confucian scholars on his behalf—

If he couldn't handle even this small scene, Chang Haonan wouldn't have been able to recruit him in the first place.

However, this was a hardship for the other people in the same group as Li Yabo.

Especially two of them who are also preparing for further studies.

On normal days, when encountering a more acute problem, the teacher would dare to stand up and help with a few words.

And now this scene...

Three academicians, one president, and another Chang Haonan.

Shaking.jpg

To sum it up, it's—

Reply and defend, just answer and not defend. Once you ask a question, apologize like crazy...

Of course, I gave it all in the end.

after all…

　　Graduating from an undergraduate degree is simply not a person.

Furthermore, for Jinghang students, no matter how hard they paddle, they still have a bottom line, and there are no particularly outrageous situations.

After the entire defense process, Chang Haonan first asked Tang Lintian to send Wang Yuanguang and Huang Yunbo to the canteen of Torch Group, while he went back to the office alone.

Liu Gaozhuo was waiting there as promised.

“Mr. Liu, what you said during the day was...”

The two of them sat down on the two sofas respectively, and Chang Haonan asked straight to the point.

“Mr. Chang, that's it.”

Liu Gaozhuo explained:

“In accordance with the needs of the Air Force and in conjunction with the progress of the Project 11 improvement project, we are prepared to deliver six trial production batches of J-11B fighter jets to the Air Force for early use in small batches.”

“That's a good thing.”

Chang Haonan filled the other party's glass of water:

“Whether it's the aircraft itself or our power, if the Air Force is willing to accept small batch trials, the progress will be much faster.”

Liu Gaozhuo was holding a cup in one hand and arranging his hair with the other hand awkwardly:

“The main thing is... our factory wants to try our best to hand over these aircraft before the end of this year, but the comrades at Liming said that by December, we can only provide up to 6 turbofan 10A engines. Look at this..."

Chang Haonan understands.

This is to ask for production capacity.

Because Project No. 10 and Project No. 11 are advancing at the same time, and both require turbofan 10 as power, the already low production capacity is even more stretched.

Especially after entering 2000, the J-10A built two new single-seat aircraft, 03 and 04, and a two-seat prototype aircraft 05. Counting backups, the demand for the turbofan 10B increased immediately.

The production capacity allocated to model A will naturally be reduced.

"well…"

After thinking for a while, Chang Haonan sighed and replied:

"Mr. Liu, let me tell you directly. In the second half of the year, the total output of turbofan 10 will be 10 units. Project 10 has three prototypes under construction. That's 3 units. There will always be backup engines. One unit is left, so the production capacity of these six 10A turbofans has indeed come to an end. "

“We are all brothers, so there is no way I can cut off their supply for Project No. 10…”

Speaking of this, Liu Gaozhuo realized that he really had no choice in terms of production capacity allocation, so he had to ask tentatively:

“Then...can we consider expanding production?”

Chang Haonan shook his head:

"The production capacity of Turbofan 10 cannot increase, mainly because the special-shaped air film holes I originally designed for the turbine blades and turbine disk were really too complicated. The current combined electric spark-abrasive flow process requires long working hours, and there will be more to come later. It requires manual processing by experienced masters to reach the standard, but there are only so many masters..."

“It's not that I don't want to expand, it's just that I can't expand...”

Since China's high-temperature alloy materials are not up to standard, in order to ensure sufficient temperature in front of the turbine, an extremely complex internal structure of the air film hole has to be designed for the hot end component of the turbofan 10 -

Even more complex than the hole pattern used by China on the turbofan 15 in the previous generation.

After all, the latter, as an engine in the 2020s, can already use quite advanced high-temperature alloys.

The design difficulty is actually much smaller.

The cost...is that it is quite difficult to ramp up production capacity.

From the production of prototype No. 01 to the present, although the overall process has been improved for several rounds, the total output has not improved much because of the speed-determining step of "master craftsmanship".

With no previous life experience for reference, Chang Haonan could only move forward step by step.

This was one of the main reasons why he decided to get involved in computational materials science.

(End of this chapter)

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