"It's okay, let's continue..." Li Zheng's expression was extremely flat, "I'm used to it."

So is Lin Yujing, and so is Gui Jianfeng...

Faced with this inhuman brain circuit, Li Zheng has long been used to it...

"Okay, let's continue." Zhu Mingyue coughed and said, "After such hydrogen is burned in excess, it will inevitably produce exhaust gas. We need to install an exhaust system..."

"In the failure model of the first zeroing, it was the exhaust system that went wrong."

"Simply put, the exhaust port is broken, which is causing the airflow to be blocked."

"For a short period of time, the airflow that propels the turbopump to operate is suddenly and drastically reduced, and then the fuel cannot be injected into the combustion chamber."

"The combustion stops quickly and the engine shuts down."

"This is the complete glitch reproduction."

"Such a failure has never occurred in the previous test run of more than [-] seconds."

"We believe that Huang Er encountered a special resonance in an accidental extreme environment during the lift-off process, which led to the failure of the exhaust system."

"This exhaust design is tried and tested and has never been done before."

"At the time we thought it was just bad luck and the boat capsized in the gutter."

"After identifying this point of failure, we raced against time to strengthen the entire exhaust system so that it could withstand conditions even worse than in the failure reproduction, and then confidently sent the new version of the engine to the proving ground."

"In the first two routine tests, the engine still performed well."

"You have also seen the results of the third test run in an extreme environment."

"There is nothing wrong with the enhanced exhaust system, but the shaft system is broken."

"The shaft system is the core of the core. A fracture here is ten times more serious and ten times more complicated than an exhaust fault. I am afraid it will be difficult to solve it by tinkering. Many people think that the process of finding and repairing faults Even longer and harder than redesigning an engine."

"To use an inappropriate analogy, we initially found a small leak in the dam and plugged it with cement injection."

"As a result, on the second day, the entire dam collapsed."

"It turns out that what we blocked was not a leak, but an ant nest."

"The embankment of a thousand miles has already been penetrated densely by ant nests."

"That's the magnitude of the problem at this stage."

At the end, Zhu Mingyue nodded heavily.

"Therefore, I personally do not object to the establishment of the 927 project."

"When Chief Engineer Zhang and Academician Zhang fall, I have the responsibility to take over."

"But according to my experience, such serious defects are difficult to solve in a short period of time. In order not to affect the country's subsequent aerospace strategy, 927 is also a painful choice for the big leaders, a choice that has no choice."

"However, this does not affect our determination to go all out."

"Know what can't be done and do it."

"Know that it's hard to do and do your best."

"Since the establishment of the Seventeenth Institute, it has been moving forward with heavy loads."

Zhu Mingyue stood up and raised his right arm.

"Li Zheng, Lin Yujing."

"Welcome to China Aerospace Propulsion Institute."

Li Zheng clasped Zhu Mingyue's hands and shook them vigorously: "Do it! Do it!"

Lin Yujing was much calmer when shaking hands, and asked thoughtfully, "I can't figure out one thing..."

Zhu Mingyue nodded with interest: "Please tell me."

"Why does it have to be exhausted?" Lin Yujing frowned and rubbed her chin in a dignified manner, "The so-called exhaust gas of the pre-combustion chamber still contains a large amount of excess hydrogen, why should it be wasted? It is not good to inject it into the combustion chamber Wouldn’t the overall fuel utilization of the rocket be higher then?”

Zhu Mingyue stared when he heard it: "Your mother didn't tell you?"

"No……"

"Then you may really be able to take over her class in a few years..." Zhu Mingyue nodded repeatedly and explained, "Of course the design you mentioned exists, and it is the optimal design. Our YF-100 kerosene engine This design is adopted, not only full combustion, but also the pressure of the combustion chamber can be doubled. But when it comes to the hydrogen-oxygen engine, it has higher requirements on the structure, parts, pumps and materials, and we can't challenge the highest difficulty right away. So a gas generator cycle that requires venting is used.”

"Hmm..." Lin Yujing breathed a sigh of relief, "That's all right..."

"I didn't understand what Secretary Zhao was bragging about you at first... Now I completely accept it." Zhu Mingyue nodded repeatedly, "18 years old, my God... the education system has been in place for so many years, it can be regarded as cultivating You are such a person."

As soon as Zhu Mingyue finished speaking, he quickly turned to Li Zheng: "Of course there are people like you...it's you, I was wrong..."

"It's okay, I'm used to it, I'm used to it..."

"Okay, considering your level, don't go to the test team." Zhu Mingyue then arranged, "A temporary fault investigation team will be set up soon, and there will be someone who is definitely your teacher as the team leader. Follow him."

Just as he was speaking, there were unique and intensive knocks on the door behind him.

Boom, boom, boom, boom, boom, boom, boom...

Li Zheng still had some impression of this knock on the door, it was a sequence of prime numbers after all.

However, his face froze, and he had a bad premonition.

"Go in." Zhu Mingyue said.

Immediately, an old handsome face poked in: "I've been waiting for a long time, can I join the team?"

Zhu Mingyue was overjoyed immediately, and rushed over to meet them in person, took the old man's hand and said to the two of them, "This is Du Songtao, Chief Engineer Du, a top expert NASA is rushing to ask for, I'm getting impatient with the rocket waiting for Knowledge No. [-] , specially invited Zhan to come to our [-]th branch for support, from now on, you will follow him."

"what……"

"Well……"

Li Zheng and Lin Yujing were happy at first.

It will be bad all of a sudden.

There is a feeling of spore people spying into human beings, "Parasite" or something.

Du Songtao was quite happy, he got himself a glass of water when he entered the room, he leisurely walked up to the two of them, drank the water and raised his eyebrows: "Isn't this just a coincidence."

Coincidentally, this is obviously a conspiracy by the spore people!

Seeing the strong hostility between the two, Zhu Mingyue asked, "Know each other?"

"Unfamiliar."

"Unfamiliar..."

"It's easier to get to know each other." Zhu Mingyue said, "Then you two go out and wait, and I'll explain a few things to Songtao."

The two left the office with their heads down.

Then I bumped into the big brother with long cut hair who was in front of them.

The eldest brother stood there in a daze: "It's been an hour...I've worked so hard to line up...I'll give it to you...Why did I just jump in the queue...Can't you discuss it with me..."

Chapter 317 Bit's Violence

Unlike most of the engineers in the courtyard, Du Songtao belongs to the type of person who has to be coaxed from top to bottom. He is afraid that he will not be well served. If he is unhappy, he will be transferred to a declassification position. Be a partner.

On the one hand, he doesn't have any ambitions for power, and he doesn't squeeze into that circle at all. Whoever loves to be the leader should be the leader.

On the other hand, his accomplishments in launch vehicles, aerospace engineering, and especially satellite technology have outrageously reached a level leading the entire system.

In short, a person who obviously has the ability to become a schoolmaster, but does not climb up, just plays his own game.

As a result, the upper echelon can neither guide him by profit, nor control him by wrist.

He can only do whatever he wants, and he can't do anything if he doesn't want to.

Such a person is doomed to be unable to become a master of learning, and has no motivation to cultivate into a demon of learning.

In the end, he became a frightening existence who gritted his teeth but could not hate——

School hooligans.

The so-called scoundrels are those who are proud of their talents, and there is nothing you can do about them.

As for the schoolboys, there are also successful schoolboys and failed schoolboys.

Of course Du Songtao belongs to the successful category. Although he is a wave, he can do it when he should be doing the right thing, but he does it very well. He is like a bad boy in the class who is very smart and has excellent grades but is always mischievous. Love and hate at the same time, in the end, he sent him a three-good student card while scolding him.

If we forcefully break the counterexample, Jie Qifen will probably be classified as a failure. Although he is strong, he can't do anything serious and is gradually marginalized and becomes a dispensable person. Leave him a job.

Two years ago, Li Zheng was opposed to the attitude of school gangsters, thinking that they were wasting their talents and time and not studying hard.

But today he has gradually turned neutral. Everyone has their own life and choices, and they should not be kidnapped by personal value standards. As long as they can support themselves, do not do illegal things, and do not degenerate into school bandits, How to play is their freedom.

Back in front of us, Du Songtao parachuted into the 927th Institute, which was also an act full of schoolboy style. Although the time was limited, he had to go back when [-] entered the assembly stage, but to let people of this level go temporarily, the leaders of the Fourth Academy It seems that he also took a lot of tricks from school hooligans.

After gaining Zhu Mingyue's trust, Li Zheng and Lin Yujing also naturally became members of the "Du Songtao Airborne Division". On the surface, Zhu Mingyue was very grateful for the airborne support, affirmed their talents, and expressed great expectations.

But in fact, everyone knows that such a professional field and such a complicated problem are unlikely to be solved by a limited number of generals from heaven, let alone three of them are not professional in engines.

Even if someone really believes in them and thinks they can achieve something, it is difficult to say so.

After all, in such a group of veteran engineers with more than ten years of experience, it takes a lot of courage and a thick skin to say that "high school students can solve our immediate problems".

Some people even think that Zhao Zhenhua has gone crazy, he went to the doctor in a hurry, and even bet his treasure on the two children when he was desperate.

However, everyone's attitude towards Li Zheng and Lin Yujing is still very tolerant. These two children are not wrong. Although they have enough capital, they have not shown any arrogance. It is still very pleasing to bow and nod to the teacher whenever they meet of.

In short, most people still firmly believe that if there is a solution, it must be produced within the team, not these few people. They are all excellent people, but their appearance here proves the madness of a few leaders. It will not have any substantive effect.

The good news is that Li Zheng has an office.

Although it is a shared office, it is cool after all. After all, with a large bookcase, many more columns can be placed.

This is also due to Du Songtao's credit. His rank is always not good in the public office area, so Zhu Mingyue arranged a large shared office for the airborne division to land.

Around four o'clock, the three of them arranged their outfits, adjusted their computers, and finally sat down steadily.

Du Songtao dominated the window, while Li Zheng and Lin Yujing lined up on the other side. It was basically a miniature studio.

After finishing the arrangement, Li Zheng naturally began to dismantle the partition between Lin Yujing and Lin Yujing.

"!" Lin Yujing quickly pressed it down, "Keep it!"

"It's so tiring to talk about, and you have to lean back."

"No, keep it, I want an independent space."

"Can't you sleep in separate beds when you get married?"

"Don't...don't change the subject, you're changing concepts secretly."

"Alas..." Li Zheng turned to Du Songtao, "Say something for me."

"You two can solve your own problems." Du Songtao was leisurely scanning the preliminary failure report with his legs crossed, "It's more like the Vulcan accident..."

Li Zheng quickly put down the partition and moved to Du Songtao's side.

"Tell me specifically?"

"It's the hydrogen-oxygen engine model developed in Europe in the 90s of the last century. Many things happened before and after. The Vulcan 1 and Vulcan 2 engines have experienced several mission failures. When Huang Er failed before, I was just It is suspected that the malfunction is somewhat similar to that of Vulcan, and after reading the current information, it is basically certain." Du Songtao put down the material and pursed his lips, "I just talked with Zhu Mingyue, and they are indeed referring to Vulcan's experience. The problem is , the information revealed is very limited, and it is difficult to distinguish the authenticity from the false, it is likely to be misleading."

Li Zheng frowned and said, "That is to say, the cause of the accident and the direction of improvement disclosed by Vulcan may be a smoke bomb, and it didn't touch the core at all?"

"Yes, so you can't ignore Vulcan, and you can't just care about Vulcan." Du Songtao hooked his hands and said, "Then who, you come here too, I have to explain the work."

"It's Lin Yujing." Lin Yujing picked up the notebook, pulled the chair and angrily walked across to Du Songtao.

"Eh?" Du Songtao laughed, "Look, our names are quite compatible. I'm 37 this year, how about you?"

"Bah!!" Lin Yujing made a hostile sound.

Du Songtao turned to Li Zheng helplessly: "Is she like this with everyone..."

"Well...she should think you are her own." Li Zheng also pulled a chair and nodded, "This is meant to show kindness."

"Then let me believe it for now." Du Songtao smiled at Lin Yujing, "Your mother is also someone I admire very much. Being the chief designer of Huang Er requires both knowledge and courage. Anyway, I can't stand it." To live with this pressure, if I were me, I would choose those jobs that are amazing if they are successful, and they will not be too criticized if they are not."

"Hmm..." Lin Yujing froze for a moment, then nodded, "I should be too..."

"It's beautiful, we are all the same." Du Songtao chuckled, "But the situation is different now. I don't want to continue to postpone the number one knowledge, and I want to fight for a while, so I came here, how about you?"

"For study." Li Zheng nodded immediately.

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