The military-industrial scientific research system of the academic master.

Chapter 1381 The First Step to the Sun

Han Chenfeng blinked and didn't answer.

The other party said they were “trying to achieve it”, but since the decision to shut down the reactor and rebuild had already been made, even if they had not yet reached a clear result, they must be relatively optimistic.

He only needs to play a role in the generation and control of magnetic fluid, which he is relatively good at.

"So... we'll start the renovation right away?"

Peng Juexian put his hand on his forehead, and an expression of dismay appeared on his face under the mask:

"How is that possible... At the very least, we have to wait until the new production base starts construction. Otherwise, it will be troublesome if something goes wrong during such a long window period."

China relies on imports for most of its radioactive isotopes, and only a few can be supplied by itself.

But even so, there is a huge gap between having independent production capabilities and not having them.

Han Chenfeng thought about it and felt that it was true. He was indeed a little too anxious, so he calmed down a little:
"Then this time it's..."

At this moment, the technician who was in charge of introducing the reactor stood up from a computer on the console:
"Academician Peng, Director Han, the reactor's operating records for the past five years have all been retrieved, but because the equipment is relatively old, it may take a long time to export all the records."

Hearing this, Han Chenfeng instantly understood the answer to his previous question.

Without waiting for the other party to say more, he immediately said:

"The export can be done slowly. I will first determine some key parameters so that I can have an idea of ​​the scale and direction of the subsequent reconstruction work."

Peng Juexian nodded with satisfaction and added:
"Also, although the operation of the reactor core cannot be stopped, Plant 504 has achieved 100% gas turbine power supply since last year. The attached steam power generation facilities are no longer required to be turned on. They have been kept running only for cost reduction considerations. If you need it, you can dismantle or modify this part of the equipment first."

In terms of the entire power system, the power that a small test reactor can provide is so small that it cannot even recover the cost of connecting to the grid.

But for this plant, because it is necessary to ensure that production can be maintained in the event of an external power outage, and the reactor itself also requires circulating cooling, it would be a waste not to use it.

But now that it has a more important use, it naturally has to take the back seat.

"If that's the case, then we can just remove the steam turbine and keep the steam circulation loop. We can also use a relatively low-density ion flow to verify the control of the external magnetic field..."

As he was speaking, Han Chenfeng had already sat down in front of the computer and began to quickly search for the parameters he wanted on the page.

"It's okay, it's okay..."

There was some doubt in Peng Juexian's tone:
"But when I went to Huairou Science City before, didn't I see that you had already verified these?"

"We have verified it. We even wrote a preliminary calculation program..."

Han Chenfeng kept turning the pages and at the same time paid some attention to answer:

"But on the one hand, the specific conditions of the disk engine and the pipe generator are somewhat different. On the other hand, the advantage of the plasma generated by the nuclear reactor through the excited gas is that it lasts longer, but the conductivity is much weaker than the shock tube solution, so a stronger external magnetic field needs to be applied. Considering that the core must fluctuate during continuous operation, at least a part of the electromagnetic field needs to be applied in addition to the permanent magnet to maintain the stability of the magnetic fluid itself..."

"..."

Like most engineers, I tend to get carried away when it comes to what I’m good at.

Fortunately, Peng Juexian was interested in all new forms of power generation, so even though he didn't understand everything, he listened with great interest.

After the other party finished speaking, he paced back and forth for a while:
"Does that mean we need to install an extra set... or multiple sets of coils?"

This question was a bit too basic, so Han Chenfeng was stunned for a moment before he remembered to answer:

"Generally speaking, this is definitely the case. The disturbing magnetic field generated by the active control coil is helpful for controlling various magnetic fluid instabilities. However, different magnetic fluid fluctuation characteristics have different requirements for the disturbing magnetic field configuration. Therefore, in order to achieve precise and efficient control, it is necessary to make targeted designs for the coils..."

Peng Juexian lowered his head and stared at the toe of his anti-static boots thoughtfully, as if he had thought of something.

After a long while, he looked towards the console again:

"Old Han, when you hold a technical analysis meeting and include the design of this control coil, remember to call me."

After saying this, perhaps because he was worried that the other party might misunderstand him, he quickly added:
"Don't worry, I'm just attending as an observer and will not interfere with your decision-making on the power generation module..."

……

Although no matter how nuclear-related a matter is trivial, it is common sense that as long as it does not involve modifications to the core and steam circuit, the workload will generally not be particularly exaggerated and the risks are usually controllable.

Therefore, the entire design and production and installation phases of the active control coils were carried out quite quickly.

When Chang Haonan suddenly came to Factory 8 to inspect the progress in mid-August, the entire resonant magnetic disturbance coil and the corresponding power supply system had entered the debugging stage.

"I thought you would come in September, so I didn't have time to prepare in advance."

Han Chenfeng said as he sorted out the information on his laptop:
"A lot of materials are still being compiled. Also, since the trial run has just begun, some operational data is missing..."

Chang Haonan also knew what was going on during the project, so he had anticipated this situation:

"It doesn't matter. I'll take a look at everything. I just need to make sure the plan is progressing on track..."

In fact, according to his original plan, he was supposed to wait until the third test launch of the Xuanniao in September, but his superiors considered that the host country's weapons test launch during the Olympics would be unsightly, even if it was a short-range ballistic missile test launch for cover, so they suggested that he postpone the schedule by one month. "That's basically it."

Han Chenfeng pushed the computer in front of Chang Haonan:
"The current work does not involve the reactor itself. Even the magnetic fluid is circulating water with some ionized seeds added, rather than high-temperature and high-pressure plasma, so you can put this part of the plan aside..."

however.

It seemed as if fate was targeting Han Chenfeng.

He had only said half of his words when he heard an alarm coming from the work area in the distance.

The last word "heart" was stuck in his throat.

Chang Haonan was also startled at first. He looked in the direction of the sound and vaguely saw several technicians in work clothes rushing towards the direction of the engine room.

According to the design plan in front of us, that place has now been replaced by a disc generator and active control coil.

Explanation: It shouldn't be a big problem.

Sure enough, Han Chenfeng also reacted at this moment:

"According to the plan, we are currently testing the interaction between the disturbed magnetic field and the plasma. There should be some problems with the magnetic field. I will deal with it right away..."

Having said that, there was still some embarrassment in his tone.

"Wait a moment!"

Chang Haonan called out to the other party from behind:
"I'll go with you and take a look."

He was ordered not to enter the radiation area of ​​the nuclear reactor at the beginning of the project, but if it was only the end of the secondary circuit, the radiation level should be completely below the safe dose unless the steam generator pipe ruptured and caused a primary circuit leak.

Han Chenfeng hesitated for a moment, but he had no reason or courage to refuse, so he had to agree.

A few minutes later, the two walked into the work area with a yellow and black sign on the door.

"what's the situation?"

Han Chenfeng didn't even have time to catch his breath and asked as soon as he entered the door.

The staff next to him were quite stable:
"The magnetic field shape generated by the dynamic resonant magnetic disturbance coil is somewhat different from what was expected, especially when approaching the current limit, causing the ion flow distribution to be out of control..."

If it is a serious magnetohydrodynamic closed-loop power generation, then this is a very serious problem, so a very high alarm level is set in the system.

However, there was no danger at all during this test.

Only after he finished answering did the engineer turn around and see Chang Haonan behind him.

I was confused at first as to why a strange face appeared, and then I glanced at the pass hanging on his chest...

The young man stood at attention immediately.

"Chang... Academician Chang?"

He had only heard of this big man behind the scenes who could be said to have single-handedly driven the entire project, but never knew him.

Now that I suddenly saw the real thing, I was naturally shocked.

"Ah."

Chang Haonan nodded as a response, then walked to the console:
"Are the results of magnetic field line tracing out?"

He had seen Han Chenfeng's coil design in a previous report. It was divided into two columns, arranged in a ring shape, symmetrically distributed on the upper and lower sides of the midplane, and installed behind the upper and lower plates of the disk generator close to the plasma channel. It was considered a relatively stable design among magnetic confinement devices.

If we can see the corresponding magnetic field structure, we can quickly analyze where the problem lies.

"It's in the works, it should be ready soon..."

The young engineer followed through on his words, and an image filled with red and black data points soon appeared on another screen nearby.

“The 1D results and 2D results are all on this picture, and the rest require further analysis.”

At this time, Chang Haonan had already sat in front of the computer and had no time to reply.

Han Chenfeng quickly waved his hand to prevent others from disturbing his thoughts.

After about a few minutes, Chang Haonan spoke in an uncertain tone:
"It's like the three-dimensional magnetic field disturbance causes the distortion and change of the boundary magnetic field topology structure..."

Before anyone around could ask questions, he quickly gave new instructions:

"The cause is still unclear. I need the resonance disturbance spectrum corresponding to the working state when the alarm occurs, the Poincare map of the magnetic field topology, and the magnetic footprint map in the disk-type power generation channel!"

(End of this chapter)