After Hu Wenhai and Song Wencong said a few polite words, they turned their heads and looked behind him. Pen % fun % Pavilion www.biquge.info

The two people in the back looked a little restrained, but they didn't look like a little family in their demeanor, just a little worry between their eyebrows.

"Let me introduce you. ”

Song Wencong cleared his throat and made a very formal expression.

However, he didn't know that the first time Hu Wenhai saw the two, he already knew their identities.

This meeting was when Song Wencong handed over the note, and it seemed that he was only seeing him alone. However, today's meeting gave Hu Wenhai a surprise attack.

From the original scheduled meeting with Song Wencong alone, it became four people, including Tu Jida. The reason why this method is adopted is also a last resort.

After thinking about this reason, Hu Wenhai already knew it, and couldn't help but smile bitterly.

This is Liu Daxiang and Chief Engineer Liu of the 624 Institute, who is currently responsible for the construction of China's first aero-engine high-altitude platform. Chief Engineer Jiang Hefu, the chief designer of the development of the turbojet 13 engine, is also a banner of the 624 Institute!"

Hu Wenhai held back for a long time, so that he could show the appearance of "long-admired name", and stretched out his hand happily. In the somewhat surprised eyes of Liu Daxiang and Jiang Hefu, they held their hands tightly.

"I have admired the two of you for a long time, and I am like thunder, and it is an honor to see you today!" Hu Wenhai smiled very enthusiastically, but it made the two of them a little confused.

Liu Daxiang and Jiang Hefu are not nobodies, and for people who don't care about the aero engine industry, their names may not be familiar.

However, anyone who knows a little about the history of China's aero engine development knows that these two are definitely the kind of people who will leave their names in history.

Liu Daxiang is the chief engineer of the 624 Institute, which is known to the public as the China Gas Turbine Research Institute, and the designer and builder of China's aero-engine aerial platforms.

What is an aero engine's aerial platform?

In layman's terms, it is a device that simulates the high-altitude operation of an aero engine on the ground. It may sound simple, but in fact it is a scientific research facility that only very few countries in the world can afford to build.

The state it needs to simulate is extremely demanding, with aircraft engines at altitudes of 20,000 to 30,000 kilometers, ranging from Mach 0.8 to Mach 3. The rarefied air at high altitude, low temperatures, and low pressures are two completely different environments from tests on the ground. In this case, ignition and combustion are much more difficult than on the ground, and indicators such as engine thrust and fuel consumption rate will also change depending on the environment.

It is impossible for an aero engine to wait until it is mounted on a fighter test platform and actually flies into the sky to find a problem, or to find that the operating indicators do not match the design indicators. Because in that state, finding a problem is basically equivalent to crashing the plane, and even threatening the life of the test pilot. However, if the design is found to be defective after the installation is put into operation, the cost of modification is even more unaffordable for the design and construction unit.

Therefore, simulating the high-altitude environment on the ground is an indispensable research and development method.

The structure of the platform is therefore extremely complex, and in order to simulate the high temperature and pressure of the high-altitude air being thin but the aircraft is running, it must have a huge extraction machine.

The power of the extractor is capable of draining the entire nest of air in three minutes. In addition, it must provide air at temperatures ranging from sub-zero to hundreds of degrees, coupled with countless detection and sensing equipment, cooling equipment for equipment operation, energy supply equipment, control of water, oil, valves, pipes, pumps, and circuits, and its complexity can be called a miracle project.

Taking China's first high-altitude platform SB101 presided over by Liu Daxiang as an example -- Hu Wenhai actually wanted to ask Academician Liu Daxiang in person, what did you think when you named the high-altitude platform?

With a total installed capacity of 170,000 kilowatts, SB101 is equivalent to the daily electricity consumption of a third-tier city.

And in order to supply so many huge power-consuming devices, there must be corresponding cooling means. Its supply of cooling water is equivalent to the daily consumption of a medium-sized city.

SB101 even had to build a reservoir in the area in order to solve the water problem. And in order not to clog the pipes with impurities in the water, these devices "drink" softened pure water!

It's better than people drinking!

With so many demanding requirements and complex projects, you can imagine what a difficult task it is to build a high-altitude platform.

China began the construction of the SB101 high-altitude platform in 1965 and completed it only in 1995. And Academician Liu Daxiang has devoted almost his entire life to it.

I believe that in front of him, any so-called "craftsman spirit" may only be overshadowed.

The predecessors planted trees and the later people enjoyed the shade, and the high-altitude test bench built by Liu Daxiang naturally had to be used by someone.

This person is Jiang Hefu behind him.

From turbojet 13 to pre-research, from turbofan 10 to Taihang B to Emei, where only the sound of stairs is heard, the entire development process of China's turbofan engine is inseparable from a key person.

Jiang Hefu.

China has entered the era of turbofan engines, and it is unceremonious to say that the development of China's aero engines is one of them.

In China's aviation history, aviation development history, and even military industry history, it is an unavoidable person.

How could Hu Wenhai not know about the deeds and photos of these two people? In fact, he didn't just know something, just as he said, it was like thunder!

But the problem is that Hu Wenhai understands Liu Daxiang and Jiang Hefu thirty years later.

Today's Liu Daxiang, the high-altitude platform has not yet been built, and the honor of academician of the Academy of Engineering has not yet been added. Not to mention Jiang Hefu, although the turbojet 13 has been widely used in the J-7 and J-8 fighters, he has not yet had the important position in the turbofan era.

Both of them are well-known academicians of the Academy of Engineering in the future, but they are still in the dormant period before their careers have just taken off.

was praised by Hu Wenhai for the sentence "thunderous", it is inevitable that he is a little ignorant. The documents that appear in the names of these two are at least confidential, even if you have heard of it, don't you mean that there is a serious leak in our military industrial system?

They can only treat Hu Wenhai's words as polite, but no matter how you look at the enthusiasm he shows, it doesn't look like it!

I heard that the richest man in the world has always been a "Saimeng taste" for the military industrial system, probably because the engineers who come to the military industrial system are treated like this?

Liu Daxiang and Jiang Hefu looked at each other, and they could only make this kind of guess.

"Mr. Hu is polite, we are a little presumptuous to come here uninvited today. ”

"Hey, there's no need to say these kind words, please take a seat!"

Hu Wenhai hurriedly gave Tu Jida and Song Wencong, Liu Daxiang and Jiang Hefu to the sofa seats in the living room, and then personally poured hot tea for them, and then sat down happily.

Let's have fun, let's see who Lao Tzu is doing in the living room today? Hu Wenhai really has a reason to be excited.

Tu Jida, the father of Jianqi. Song Wencong, his father. Liu Daxiang, Chief Engineer of Gas Turbine Institute. Jiang Hefu, the first person in China to have a turbofan.

Four academicians in one hall, adding up to the future of China's aviation and military industry, most of the sky is no problem.

It took a lot of perseverance for Hu Wenhai to take out a notebook and ask someone to sign it.

By the time Hu Wenhai finished in his seat, Liu Daxiang and Jiang Hefu still looked a little uneasy.

"Mr. Hu is busy, I think we'll make a long story short......"

Tu Jida was the liaison between the two sides, and he was the first to speak out immediately. But before he finished speaking, he was interrupted by the enthusiastic Hu Wenhai.

"Hey, I'm not busy, who said I'm busy?" Hu Wenhai widened his eyes and looked full of interest: "No need to make a long story short, why are you in such a hurry?" I think so, the catering level of Xiangshan Hotel is still good, let's talk casually first, and I'll invite everyone to dinner later!"

As he spoke, Hu Wenhai turned his head to look at Song Wencong, who had a square face and thick eyebrows and big eyes, and asked with some curiosity: "I have actually heard of Mr. Song's No. 10 project, if it is convenient, why don't we talk about this matter?"

Song Wencong and Tu Jida glanced at each other and nodded lightly: "It's okay, in fact, there is nothing that needs to be kept secret from Mr. Hu." Speaking of which, I would like to thank you, I came to the 611 Institute to inspect before, and I heard that Mr. Hu also made a lot of efforts behind it. ”

Although Hu Wenhai is only a businessman in his identity, it is difficult to participate in classified and top-secret projects? At the level of classified secrets, perhaps he is not far behind the four academicians in the room.

What's more, since the current No. 1 took office from the magic capital last year, he began to inspect various places intensively. Among them, the first one to go to the military industry system was 14, and no one expected that Wang Xiaomo and the elder would have a deep friendship, and the two sides talked and laughed!

The second stop of the military industrial system inspection was placed in the 611 Institute. After the Su-27, the Air Force, which has some contempt for Project 10, can be said to have given a precautionary shot.

The original tight No. 10 project has been completely solved by this. Song Wencong was completely "confused" about this pie that fell from the sky. Later, after many inquiries, I heard that Hu Wenhai actually played a decisive role in this matter.

If it hadn't been for his suggestion to the Great Secretary of No. 1, the elder would have come to 611, and I don't know how long it would have been.

The two sides have no reason, why did Hu Wenhai use such a big favor and face to give such a big gift to the 611 Institute and the No. 10 Project?

Although Song Wencong has benefited, to be honest, he is also a little inexplicably worried in his heart.

This visit to Hu Wenhai can be said to be a thank you on the one hand, and on the other hand, I also hope to find out his thoughts.

After all, Song Wencong is the chief engineer of Project No. 10, and the tens of billions of projects are in his hands. If you are in a sensitive place, you are only afraid that you will be courteous when you have nothing to do, and those who come are not good!