Chapter 1339 Some comrades, some, like such a strong propellant, we have three kinds of them...
Facts have proved that the shock brought by numerical monsters is often the simplest, but the most direct.
After several minutes, Shen Fangzhong finally came to his senses.
However, before he could speak, he heard the voice of Li Jianqiang beside him:
"So this is how you realize the double-pulse power... directly control the working parameters of the solid propellant, No additional compartment or compartment is needed to add an additional compartment to the projectile structure? ”
For a long time, the uncontrollability of solid fuels was basically the underlying logic of the entire rocket power field.
Just like Newtonian kinematics was in the physics of the 19th century.
So, the moment he saw the material just now, he even felt that his worldview was about to collapse.
Like a physicist who first saw the Planck bold formula and realized that "the world may be discontinuous."
"Of course not needed..."
Faced with this question, Lin Chenggang gave a very straightforward answer: "About ten years ago, anti-ship missiles were mainly based on rocket power... At that time, in order to improve the range, we considered you The partition design mentioned allows the missile to cruise at low speed in the middle section and finally sprint at high speed. "
"At that time, I had just started working and presided over the design of a kind made of two layers of rubber wrapped in cork Soft isolation device, rubber is tightly fitted with the medicine column, and the igniter and the II pulse medicine column are connected together... But after testing, it was found that the stability is too poor, and the II pulse has about 60% chance of starting immediately following the I pulse. Burning is impossible to make it practical. "
Even in the relatively wild period of the development of China's military industry, we have never given up our pursuit of advanced concepts and technologies.
Even dual-pulse power, which seemed very high-end at the time, was not the only Air Force Equipment Research Institute that conducted research.
The conclusions on both sides are basically similar.
This is also why Lin Chenggang thought of a modification method to add electrosensitive materials to it while developing the CT series propellant.
While Li Jianqiang was still digesting this information, Shen Fangzhong took over the conversation again:
"From your judgment, is the same technology possible to be used in the Air Force? On the long-range air defense missile equipped by the guide troops? "
Lin Chenggang smiled mysteriously, and then took out the reply issued by the Work and Construction Committee this morning:
"Actually, I'm going to find you..." Shen Fangzhong lowered his head and quickly swept over the contents in the red-headed file.
The keywords were quickly captured: "Academician Chang suggested?"
Obviously, the smooth progress of things far exceeded his expectations.
Originally, when he saw Lin Chenggang, he was worried that the other party would not be able to spend enough energy to coordinate with him in a short period of time.
The result is totally overthinking.
"Yes."
Lin Chenggang nodded:
"But my work relationship still has to be here, and I can only participate in your project as a consultant …”
For Shen Fangzhong, this little thing is not a requirement at all: "We can agree to all these organizational requirements, and funds and personnel will be guaranteed first."
He directly gave a guarantee: "When can we start the docking as soon as possible?" This posture actually made Lin Chenggang on the opposite side stunned.
I never expected that the other party was so urgent. "It may take a while, and the strength of the medicine column after the charge is formed is still hidden."
He spoke a little embarrassedly, so he immediately added: "But we are already working with Torch Lab to conduct theoretical calculations on the workflow of the CTK series propellant to find the root cause of the problem."
"At their level, It shouldn't take too long..."
It seems to be to verify the correctness of this sentence.
Before the ending of Lin Chenggang's last word, the red phone on the upper left corner of his desk was ringing loudly, interrupting the conversation between the three.
He looked at him, then stretched out his hand and made a silence. "Hey, Professor Li..."
The phone number was naturally called from Torch Laboratory.
Since Chang Haonan has been basically based in Huairou Science City recently, Li Yabo has always been in contact with Lin Chenggang before.
However, this time, a more mature voice sounded from the other end of the receiver: "It's me, Chang Haonan."
"Academician Chang?"
Lin Chenggang's body reacted faster than his brain. Although he was separated by a telephone line, he still stood up straight after rubbing the ground:
"Why are you..."
"The situation in your system is interesting. It just so happened that there was not much work on Huairou in the past two days, so I took the time to come and take a look."
Chang Haonan's There was a little smile in his voice: "It was just a coincidence that the result came out..."
To Chang Haonan's words such as "coincident", "luck", and "by the way" Lin Chenggang has already become very resistant and can't even believe the punctuation mark.
I guess there was something that Li Yabo couldn't solve, so he came to his mentor to support him.
It's just that this is part of the play within the master's sect, so it's hard for him to ask too much about it.
"Then I'll go there right away..."
No mistakes, one song, one content, one in 6, one book, one bar, one reading!
As about to end the call, Lin Chenggang suddenly glanced at Shen Fangzhong and Li Jianqiang, who were confused on the opposite side of the desk:
"Academician Chang, Chief Secretary Shen Fangzhong, who is responsible for the development of Hongqi 9 model in the Second Academy and Director Li Jianqiang of the Air Force Equipment Research Institute, happened to be here, you see..."
He said this to his point , Chang Haonan naturally would not refuse: "Come here together."
...
Because of the tight time, Chang Haonan didn't even have time to sort out a complete analysis. The report was directly received by a group of people in the underground computer room of the computing center.
"Because it is not an ideal solution system, and there are phase changes during the work process, the entire calculation is relatively complicated and involves a lot of theoretical knowledge of physics and chemistry, so I will tell a long story."
He said and called it out A surface simulation diagram with a thickness of about 100 molecules: "The failure of secondary ignition actually involves two independent reasons, so it is normal for Comrade Cheng Gang to analyze the conclusions from the macro working parameters alone. .”
Lin Chenggang was a little confused for a moment, whether he should be relieved about this.
Fortunately, Chang Haonan didn't give him too much time to worry about it, so he picked up a pen from the table next to him and pointed to a position on the picture:
"In order to ensure that the control effect is obvious, you use three-dimensional porous polyvinyl alcohol as the adhesive to increase the resistance of the entire system, so that it can only achieve high-speed combustion when it meets the two conditions of high voltage and high voltage at the same time, and passes through metal tungsten To adjust, it should be said that the idea is relatively clear."
After just finished listening to the first sentence in the topic part, Lin Chenggang was already standing there on the spot—
The contents the other party said were the same. , almost exactly the same as my mental journey during development.
He has not disclosed it to anyone before. "But this system is not only sensitive to voltage but also heat. Continuous exposure to high-temperature flames will cause melting and softening and chemical decomposition due to overheating, so in your test, the ignition will be performed once in the cooling state. The success rate is 100%, and secondary ignition is prone to failure, which is why you can observe the cracking of the medicine column in the collected wreckage. "
Lin Chenggang took a deep breath and showed a sudden realization: "No wonder..."
After waiting for a few minutes, Chang Haonan opened another calculation document and continued to introduce: br>
"On the other hand, the combustion and electrical properties of tungsten are indeed very good, but the density reaches 19.35... According to my calculation results, during the process of mixing propellant components or curing the slurry while standing and curing the slurry. Among them, about 70% of the tungsten powder precipitates in 25% of the bottom of the slurry mixture, which can easily lead to internal defects in the column structure. "
If the first half of the content is still allowed to listen to the three people It's so chaotic that the second half will be relatively easy to understand.
Shen Fangzhong's face immediately became serious: "Does this mean that the larger the volume of the medicine column, the greater the hidden dangers left?"
The volume of the Hongqi 9 air defense bullet is The army uses more than several times the short-range bombs. If it is true as Chang Haonan said, the application prospects will not be very optimistic.
"This is inevitable."
The latter nodded:
"In fact, even if the problem of tungsten powder is not considered, CTK-2 can only be ignited by alternating current at a very small electrode spacing. For large columns, additional conductive layers are required, which further reduces the stability of the system..."< br>
This conclusion made Shen Fangzhong, who had great expectations, feel a little disappointed.
He was about to say something, but Chang Haonan changed his mind and spoke first: "Actually, Researcher Lin's ideas have been considered very successful."
"The substrate system of CTK-2 is not a big problem, especially the choice of oxidant hydroxylamine nitrate is very good. You only need to replace the adhesive with polyethylene glycol with a higher degree of polymerization, and then use boric acid as a crosslinker to make it possible to While reducing the ignition power, it significantly improves the mechanical strength and alleviates the problem of melt softening. ”
Shen Fangzhong reached out and touched his chest.
This big plot really makes him, an old man, unable to bear it.
While Lin Chenggang stared blankly at the result on the screen in front of him, suddenly a little doubting the world:
"That's what I want to say Another thing about it is also the most interesting part of your system.”
Chang Haonan replied with great interest: "Just adjust the type and process of metal additives, we can extend at least three different properties from the unified substrate of CTK-2, suitable for different occasions. formula system..."
(This chapter ends)