Genius is just the threshold for me!
Chapter 148 The Russian AL-31 Engine: A Necessary Effort
The next day, the weather was mostly cloudy, and the autumn heat was temporarily suppressed by the god of clouds and fog, and the air was no longer filled with heat waves.
School ended a little after four in the afternoon. Lin Dong put his textbooks in his desk, picked up his schoolbag which only contained an umbrella and a water bottle, and walked over to Xu Qingling.
"Will you come with me to the lab when we get back?"
"To the lab?"
Xu Qingling paused for a moment, then realized that Lin Dong wanted to ask her to come along, and immediately smiled and said, "Okay, I haven't been there to play in a long time."
"Lin Dong, Xu Qingling, are you going to the lab to play?"
Listening to their conversation, Xia Ran couldn't help but ask curiously, "Can we still go into the lab?"
"The peripheral laboratory contains some simple scientific instruments and technological equipment. Family members and children can directly apply for passes to the peripheral base without too many restrictions."
Lin Dong replied simply, "When you get back, you can have your parents sign it, and then ask the security department to issue you an outer access pass. If your parents are high enough in rank, they can also apply for an outer laboratory pass..."
Done.
Lin Dong said he was leaving first, and then called Xu Qingling to leave.
"Xia Ran, it's time to go back."
Not long after Lin Dong and his companion left, Huang Qingyao and Su Yue also came out from the next class and waved to Xia Ran.
Although Xia Ran was a transfer student, after confirming that everyone was a family member or child of Chengdu Aircraft Industry Group,
After spending two more days with her, I realized that she was just proud, not the kind of unreasonable and domineering personality that comes with it.
Huang Qingyao and the others did not reject each other and naturally accepted each other, and would go to and from school together.
"Huang Qingyao, can you usually go into the base's laboratories?" Xia Ran came out, still not understanding the question from before.
"laboratory?"
Huang Qingyao was stunned for a moment, but when she saw Lin Dong walking leisurely on the first floor with his schoolbag on his back, and Xu Qingling waving to her to go back first, she suddenly realized.
"You mean the peripheral laboratory? Sure, it's actually an employee benefit. My dad even got one for him last semester."
We could go there to rest after get off work, and we could also go to play, but after less than two months, he complained that we had to clean up ourselves and sent it back because he thought it was too much trouble.
"Yes, it contains some scientific instruments and small tools, and also has a computer with pretty strong performance, but it can't connect to the internet."
Li Tao and the others came out and heard their conversation. They said, "I used to go there often to play single-player games and help my dad clean the house."
However, since we were allowed to play games at home last semester, I haven't gone.
Lin Dong prefers playing single-player games, but his home computer isn't powerful enough.
He himself often went to Uncle Lin's lab, and Xu Qingling would sometimes go over to keep him company.
"Such perks... Is Chengdu Aircraft Industry Group headquarters really this generous?"
Xia Ran exclaimed incredulously, "They provide rest areas for employees, and even game areas for their families?"
"Whether it's rich or not...we don't know."
"But this benefit has been around for many years; we started receiving it gradually when we were in second grade."
As Li Tao spoke, he seemed to remember something, glanced around to make sure Zhang Zihua wasn't nearby, and said in a deep voice, "It's said that this welfare program was created because a group of core employees sacrificed their lives due to overwork during some major project..."
Lin Dong was unaware of Huang Qingyao and the others' conversation. After leaving the school and returning to the Chengdu Aircraft Industry Group's residential area, he took Xu Qingling to Laboratory No. 78.
As soon as I opened the door and turned a corner that blocked the view from the outside, two figures came into view.
"...Dad? Uncle Wang?"
Xu Qingling was taken aback for a moment, then happily ran to Xu Ziming's side: "You're off work again today?"
"..."
Xu Ziming noticed the word "again" in Xu Qingling's words, his eyes twitched twice, and he pointed to Lin Dong, who came in with him: "Do things for him today."
"Uncle Xu, godfather."
Lin Dong walked in and looked at the thickened and widened high-strength protective box that was almost half a person's height next to Wang Xingguo: "This is the data from Shenfei."
"Yes, I just brought it back secretly."
Wang Xingguo nodded, opened the box using his fingerprint and password, took out three encrypted USB drives from the small sealed compartment on top, and then proceeded to buy hard drives wholesale.
They took out a total of 120 specially made encrypted hard drives, each with a number and a capacity of 24TB, and each hard drive also came with a satellite positioning chip.
"The three USB drives contain the Fadec operating system, the hardware design scheme for the Fadec operating system, and their optimization data..."
The hard drives contain all the raw data from Shenyang Aircraft Corporation's testing of the Fabec system. A total of 30 comprehensive tests and optimizations were performed, with four hard drives corresponding to the data from one optimization run.
"I'll just look at the latest one."
Lin Dong took the USB drive and the last four numbered hard drives and connected them to the server array in the laboratory.
The server system automatically connects to the data, performs network environment detection and satellite positioning detection, and finally a password box pops up.
"This is the unlock password."
Wang Xingguo took out three different pieces of paper from three different pockets, each of which contained a 16-digit code consisting of a mix of numbers, letters, and symbols.
"The first one starts with 'k', the second one starts with 'y', and the third one starts with '9'. There are a total of forty-eight characters."
Wang Xingguo carefully examined the three passwords and earnestly instructed: "The password can only be entered once. Start with the first digit and enter the rest within two minutes. If you make a mistake or exceed the time limit, the data will be destroyed."
"oh."
Lin Dong calmly took the three sheets of paper, glanced at them, and entered the password in a few seconds. Before Wang Xingguo could react, he pressed the Enter key.
clatter--
The crisp sound of keyboard clicks rang out, the entire screen froze, and Wang Xingguo's eyes widened in surprise.
Fortunately, after three seconds, the three USB drives and four hard drives opened simultaneously, and a large amount of data was displayed on the 200-inch screen.
Damn it!
This kid... he can pretend even better than me!
Wang Xingguo subconsciously wiped the sweat from his forehead, and couldn't help but curse inwardly.
"Is it using the Russian AL-31 engine? Why not the domestically produced WS-10 turbofan engine from the Taihang engine?" Lin Dong glanced at the data and asked in surprise.
The Russian AL-31 engine is a familiar sight in China.
Before the development of the WS-10 engine, domestic fighter jets, including the J-10 fighter jet at Chengdu Aircraft Industry Group, were all equipped with this engine, which was imported from Russia and has been used since Russia for half a century.
However, with the successful development and production of the WS-10 engine, fighter jets such as the J-10 were gradually replaced with the WS-10 engine, which has more powerful thrust and better fuel efficiency.
"no."
Wang Xingguo shook his head: "The Taihang WS-10 engine was only put into production in 05, so its service life is relatively short, and we are not yet fully aware of its data and performance."
The optimization and improvement of the carrier-based aircraft's FADEC system response is closely related to the familiarity and mastery of the engine; for the time being, we dare not use the Taihang WS-10 engine...
"All right."
Lin Dong nodded understandingly: "No wonder military enthusiasts online are complaining that Shenyang Aircraft Corporation has become a gold digger in the aircraft field in recent years, specializing in plundering the legacy of its predecessor..."
However, even while complaining.
But Lin Dong understood that this was actually a path he had no other choice but to take.
Since the Varyag returned to China, everything related to carrier-based aircraft has been strictly guarded against in China, with no detail spared.
The upgrade project from J-15 fighter jet to J-15 carrier-based aircraft was entirely done domestically from scratch, with every drawing and every piece of data drawn, calculated, and measured entirely by ourselves.
In this situation, we can only prioritize breakthroughs before ensuring domestic production.
We will first use the more familiar Russian AL-31 engine to complete the improvement of the carrier-based aircraft, and then use the domestically produced WS-10 turbofan engine after gaining experience.
If Lin Dong's memory is correct, by the time the Shandong aircraft carrier entered service seven years later, the J-15 fighter jets on board had all been upgraded from the Russian AL-31 engines to the superior WS-10 turbofan engines...
"Shenyang Aircraft Corporation's Fadec system is already quite complete, except for two hardware nodes that could be further optimized. The main issue with the system software is the lack of algorithms, which results in overly redundant system code..."
Lin Dong quickly identified over a hundred key parameters in the original data, then opened the system's hardware configuration on the USB drive and analyzed the FADEC system program written by Shen Fei for a while. He immediately came up with a solution.
Lin Dong created a new file and spent half an hour copying the improved system program and hardware solution into it. He then opened his email and sent it to Xu Ziming.
"Uncle Xu, the rest is up to you."
"Get a Russian AL-31 engine, then build a J-15 fighter jet system from an external simulation, and test the delay from fighter jet operation to engine response. There should be no problem."
"good!"
"There are still some Russian AL-31 engines in the warehouse. It will take some effort to set up the external environment for the J-15. It should take about two days to get the results."
Xu Ziming never dawdles at work. After saying goodbye to Xu Qingling, he turned and left through the adjacent assembly workshop.
Lin Dong closed all windows, removed the USB drive and hard drive, and handed them back to Wang Xingguo, instructing him to take them back to the secure storage area at the core of the base.
Lin Dong dared not leave this thing in Lab 78 indefinitely.
After all, since this kind of data is stored on a specially designed hard drive with a tracking function, it cannot remain outside for an extended period of time according to confidentiality regulations.
Staying here for a short time is no big deal; even if he is discovered, Wang Xingguo can easily come up with an excuse.
However, storing the hard drive here for such a long time is simply inexplicable unless Wang Xingguo takes the blame and claims that he violated safety regulations by bringing the hard drive here to drink tea and chat.
"Lin Dong".
At this moment, Xu Qingling seemed to notice something. Pointing to a box that had just been placed next to Xu Ziming, she asked with a puzzled expression, "Dad and Uncle Wang, did they forget to take something?"
"No, I asked Uncle Xu to help me make this today..."
Lin Dong took the assembly blueprints for a mechanical dog, walked over, opened the box, and said, "A mechanical dog to be assembled."
"A mechanical dog? You designed it?"
Looking at the various motors, batteries, and the mechanical dog's limbs, body, and head inside the box, Xu Qingling exclaimed with delight, "Can it really be like a dog?"
"A dog's appearance allows it to run, move, and bark..."
Lin Dong briefly explained the mechanical dog's functions: "But it needs to be charged, it can't be fed, it can get rained on, but it can't swim."
The two grew up together, and he knew that Xu Qingling had always wanted to have a pet.
Ultimately, they decided to give up due to the pet's hair, noise, odor, and Zhou Xiaoyan's skin allergies.
I waited until I graduated from university and moved out before I got a pair of budgies, thinking that I wouldn't have to worry about them so much while still fulfilling my childhood dreams.
But to everyone's surprise, the budgies started laying eggs and having chicks the following year, and in less than two years, they went from a pair to more than a dozen.
Finally, unable to bear the noise from the dozen or so parrots any longer, I gave them all away and completely abandoned the idea of keeping a live pet. Instead, I bought a mechanical dog and took it for walks every day.
"As long as it can run, move, and bark... I can charge it every day."
Xu Qingling opened her eyes wide, her gaze shining as she looked at the mechanical parts in the box, without a trace of disgust.
"Yes, that's a very simple expectation."
Lin Dong handed the blueprints to Xu Qingling, took two electric screwdrivers, and said with a smile, "Let's assemble it together, and then we can take it out for a spin later."
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