Chapter 498: The First Step to the Sun
Although the "inspection" is a word, in fact, it was already three days later for all the engineers of the STAR project team to actually complete all the investigation work.
In the laboratory embedded in the mountain, all the staff of the STAR project team are waiting for their respective posts as they did three days ago.
Standing next to the computer in the control room, Lu Zhou looked down on the steel giant surrounded by dense coils through the floor-to-ceiling windows close at hand, and the center of his chest was surging.
Soon, the reborn STAR device will be conducting its first operational experiments.
For this moment, he has been waiting for half a year......
Walking to Lu Zhou's side, Sheng Xianfu took a deep breath, restrained the excitement in his voice and said, "The water-cooled deflector is operating normally...... Let's start experimenting. ”
Hearing Sheng Xianfu's report, Lu Zhou nodded.
"Let's get started."
Sheng Xianfu straightened his waist and said energetically.
"Yes!"
The first experiment will not be too frustrating, firstly it will not involve ignition, and secondly, it will not use isotopes of hydrogen.
As for the goals of the experiment, it is also very simple, there are only two.
One is to confirm that the maximum magnetic field strength of the outer field coil can exceed the limit of 50 tons of the calculated theoretical value, and the other is to ensure that the temperature of the high-density plasma in the room can reach 100 million degrees Celsius.
As for the maintenance time, it doesn't take too long, one second is enough.
As the order was given to start the experiment, the staff in the laboratory immediately became busy.
The switch of the liquid helium valve was turned on and the SG-1 wire quickly reached the superconducting transition temperature as expected.
With a buzzing sound that pierces the eardrum, the current through the superconducting coil in the outer field begins to gradually amplify, and the superconducting critical current of the SG-1 wire is constantly approaching.
Watching the magnetic field strength value fed back on the computer screen continue to rise, and finally stop at the maximum value of [51.14T], the corner of Lu Zhou's mouth raised a smile.
51.14T!
Spiral Stone 7-X.
The magnetic field strength of the bound plasma is the key to solving the problem of controlled nuclear fusion, and they have undoubtedly completed the puzzle if they can achieve a magnetic confinement of more than 50T in engineering.
The first experimental goal was successfully achieved!
Seeing a look of joy on Sheng Xianfu's face, Lu Zhou nodded to him.
"Let's start the next experiment!"
Sheng Xianfu immediately said: "Understood! ”
In addition to the superconducting coils that are fixed by irregularly shaped blue insulating brackets, about 20% of the non-superconducting field coils wound around the streamlined tracks are fixed under the red insulating brackets, which are mainly used to fine-tune the magnetic field morphology in the stellarumer.
As the experiment progressed to the next stage, the current in the blue coil began to decrease, while the current in the opposite red coil continued to rise, modulating the shape of the magnetic field inside the stellar to the desired shape.
Looking at the constantly beating parameters on the computer screen, Lu Zhou ordered in a deep voice: "Inject helium!" ”
"Yes!"
With this command, a catheter attached to the inside of the stellar simulator injected 1 mg of helium into the cavity of the stellarator.
The helium that was injected at first quickly diffused into the cavity of the vacuum, and it was extremely thin.
However, with the activation of the microwave heating device, the temperature in the cavity began to rise continuously, and the plasma gradually formed, and was continuously squeezed by the magnetic field that bound it, and finally spread a light blue film in the streamlined cavity channel, and vibrated slightly at a frequency invisible to the naked eye.
Working in their respective positions, whether engineers or researchers, everyone unconsciously clenched their fists.
At this moment, the STAR stellaroid crawling in front of them was like a biting space monster, brewing the most terrifying energy on this planet......
In fact, even if it is the core of the earth, it is only 6,800 degrees.
At this moment, the temperature of the helium flowing in the orbit of the stellar simulator has broken through the limit of hundreds of millions.
Although it has a mass of only 1 milligram......
It's a short second, but it's as long as a century.
Clenching his fists tightly, Sheng Xianfu's face was full of excitement, and his mouth kept reading.
"We succeeded, we succeeded!"
Hearing his incessant chattering voice, a smile also appeared on Lu Zhou's face.
"yes, we made it!"
Although it is only a phased achievement, this achievement is still gratifying.
The next task is to solve the damage caused by plasma irradiation to the first wall material.
In the case of fusion reactors, structural and functional materials can undergo severe swelling and embrittlement due to high concentrations of irradiation defects and the accumulation of nuclear reaction products, resulting in an overall degradation of the properties of core components and connecting structural materials.
To make a vivid analogy, the neutrons moving at high speed hit the tightly packed atoms on the first wall like a billiard ball, but the atoms that were knocked away did not disappear, but ran away to other places in the material. Eventually, the atoms continue to move from the center to the surface, and the material slowly swells like a hollow foam.
At present, the academic community has not found a suitable solution to this problem.
Regarding this topic, Lu Zhou didn't dare to say that he was completely sure, but he had some ideas in his heart.
Of course, in addition to the key inner wall materials, there is also the crucial control system, which is the "brain" of the controlled fusion device.
However, compared with the troubles in the previous material science, it is relatively easy to solve in this regard.
After all, supercomputing is a thing that can be solved as long as there is money.
It's just that it seems that there is a need for funding again......
The microwave heating unit is turned off.
The current of the superconducting coil gradually decreases.
The temperature of the plasma begins to cool......
As the "Iron Behemoth" stopped roaring, the experiment finally came to a successful conclusion.
When all this was over, the long-suppressed cheers finally resounded in the laboratory.
Many people even burst into tears of excitement.
In order to celebrate this hard-won success, and to reward everyone for their hard work day and night for months, at the suggestion of several young researchers, Lu Zhou announced in front of everyone that a celebration banquet would be held at the Purple Mountain Hotel in the evening.
Of course, the money was paid by him personally, and it had nothing to do with the funding.
After the experiment was over, the on-site engineers began to overhaul and maintain the equipment, and after Lu Zhou handed over the site to Sheng Xianfu, he took off his white coat and turned around to leave the laboratory embedded in the mountain.
The moment he stepped out of the tunnel, a ray of sunlight shone on his face through the treetops.
Squinted by the light outside, Lu Zhou vaguely seemed to see something.
In this trance, the pale blue dialog box that had been silent for a long time emerged from his vision without the slightest warning.
["Fusion Light" quest chain]
[Optional branch: 50T superconducting magnet (complete)]
[Optional Branch: First Ignition (Completed)]
When he saw these two dialog boxes clearly, Lu Zhou was slightly stunned, and then a trace of excitement appeared on his face.
Complete two missions at the same time.
It was an unprecedented experience for him.
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