Compared with the huge Jinwu Project, Wu Tong had to focus on the progress and difficulties to overcome. They were only doing magnetohydrodynamic power generation, which was quite familiar and a breakthrough with a certain foundation was easy enough.
After seeing Yi Lao off, Wu Tong took three days to work with Lu Xiao to complete the mathematical model she had established, and successfully integrated it into the research and development of the motion laws of the plasma stellarator device designed and developed by Lu Xiao, waiting for him to make the final breakthrough and turn this huge design idea into a real control solution.
"I'll have to trouble Brother Lu with the next part. If you need assistance with programming talents, please tell me and I'll ask for a loan from higher-ups!" Wu Tong spread her hands. As the general manager, this was her unshirkable responsibility of selecting people.
"I have some basic programming skills, so I shouldn't need any help!" Having basically completed the project, Lu Xiao couldn't help but breathe a sigh of relief. Finally, he'd caught up with Wu Tong's progress. Although he was the first wave, Lu Xiao didn't want to be left hanging. Keeping up with Wu Tong's progress was his fundamental requirement for himself.
In other words, he should be thankful that the field of physics was quite easy for him at that time. With the spare energy he had, he did not waste his good talent and mathematical foundation, and dabbled in research on Cheng Xu, artificial intelligence, etc.!
Of course, Wu Tong didn't stop there after completing all this. She flipped through the experimental materials she'd brought back from the southwest, found the lithium sheet scans and test data she'd brought with her, and began to carefully review and deduce them.
She brought a batch of lithium sheets, which were placed in different positions on the first wall. However, there were very few samples that had actually been bombarded by the neutron beam. Fortunately, they found such samples in that experiment and did not need to repeat the experiment.
The lithium sheets that had undergone the fusion reaction were now in their twilight years. The powerful neutron radiation had destroyed most of the metallic bonds, leaving them nearly brittle. The metal itself was not a very strong and durable material.
However, these specially prepared lithium sheets had also fulfilled their mission. Wu Tong used them to test the rate at which lithium could recover neutrons. She observed traces of the reactants' recovery on them.
This trace also proves that Wu Tong's sandwich design idea is indeed feasible.
However, this design idea still has many problems to be solved, such as how much liquid lithium is needed in the liquid lithium recovery layer to achieve a delicate balance in processing?
For example, the energy carried by the neutrons is too high. How can the liquid lithium layer be safely recovered and the absorbed elements released? How can the neutron beam be made to smoothly coordinate with the collection of the liquid lithium layer, rather than randomly interfering with this process and causing damage to the entire recovery system?
The thickness of the liquid lithium layer is the most fundamental difficulty to be deduced. If it is too thick, it will not work; if it is too thin, it will be useless.
The more liquid lithium layer, the better. At this point, we can't just talk about quantity and strength. If it's too thick, a large amount of tritium will be trapped inside the liquid lithium, which will significantly reduce the recovery efficiency. The thickness of the liquid lithium layer is also directly proportional to the engineering difficulty. Every additional thickness will significantly increase the difficulty of preparation...
If one thing goes wrong, it may affect the safety of the entire reactor, making it the weak link in the barrel principle of the entire reactor and causing a safety accident!
Of course, too thin a layer wouldn't work either. A thin layer of liquid lithium directly affects the tritium's growth rate. Just like fertilizing crops, if the fertilizer isn't strong enough, the crops won't grow. A thin layer of liquid lithium naturally doesn't work efficiently. After all, the half-life of a free neutron is only about 10.6 minutes, which means they have to consider not only the transmutation of neutrons with other elements but also their own decay.
Ideally, liquid lithium would be used to recover neutrons before they are reflected a second time at the reflective metal interface. However, this is not easy to achieve.
This appropriate amount requires Wu Tong to combine the scanning data and the efficiency data of lithium-neutron shoelace energy recovery to build a model and deduce it step by step.
Details determine success or failure. It is not that everything will be fine once you have a design idea. It can only be said that the design idea is just the first step before departure. She still has a long way to go. All the above problems must be taken into consideration.
Although she has the general direction, she still needs to continuously enrich, refine and perfect the details.
This is also the core design idea and solution of the entire project, and one of the most core issues that must be overcome, so that their entire first wall can be considered stable and complete.
The material of the first wall is mainly radiation-resistant, allowing an uncontrolled neutron beam to pass through. The HC-1 material of the first wall is used to penetrate and slow down the unbalanced neutron beam. The heat-resistant coating reinforcement coating further enhances the resistance to high temperatures. The subsequent liquid lithium recovery system absorbs neutrons and releases tritium. The special metal reflective layer on the outermost layer outside the liquid lithium layer is used to bounce back the incompletely reacted neutrons.
At this time, Wu Tong had an idea and applied an upward force to the recycling system, pulling the recycled materials upward into the fuel chamber and re-entering the fusion cycle.
The principle behind this is that at the working temperature of liquid lithium, both tritium and helium exist in gaseous form, and they are incompatible with liquid lithium.
At this time, the recovered tritium exists in the form of gas, giving it an upward force, allowing it to be recovered at the top of the device and re-injected into the reaction chamber to participate in the reaction, achieving a benign utilization cycle. Similarly, it solves the shackles that hinder the formation of controlled nuclear fusion in the world.
Thanks to the persistent R&D experience of our predecessors, who laid a solid foundation, Wu Tong combined these previously fragmentary experience data and deduced them into the sandwich filling design concept that now amazes the entire project.
…
Wu Tong's meticulous approach, through his continuous deduction, was refined. He conducted simulations within the deduction space. Thanks to his deduced solution, the tritium trapped within the liquid lithium was successfully separated and recirculated, becoming a good substrate for the next fusion reaction.
Wu Tong's meticulous approach, through his continuous deduction, was refined. He conducted simulations within the deduction space. Thanks to his deduced solution, the tritium trapped within the liquid lithium was successfully separated and recirculated, becoming a good substrate for the next fusion reaction.
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