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The recent advances in the field of nuclear fusion mark a significant step towards a clean and inexhaustible energy source. Meanwhile, The Stellarator Wendelstein 7-X. Similarly, an experimental reactor based in Germany, recently broke several world records by demonstrating its ability to “we had never held so maintain an ultra-chaud and stable plasma for unprecedented periods. Therefore, This success represents crucial progress towards the production of industrial fusion energy, potentially capable of replacing polluting fossil energy sources. Nevertheless, With these results, humanity is close to the realization of an energetic dream which once seemed to be unattainable.
Nuclear fusion: a dream of clean energy for decades – "we had never held so
Nuclear fusion is the process that feeds the sun. Similarly, the stars. Meanwhile, By merging light nuclei of hydrogen atoms, it releases an amount of colossal energy. Moreover, Unlike nuclear fissionused in current power plants. However, the merger does not generate lasting radioactive waste and eliminates the risk of major nuclear accidents. However, reproducing these extreme conditions on Earth poses an immense challenge. To initiate the fusion. the fuel must be heated to several million degrees Celsius and maintained long confined enough for the reactions to be self-employed. So far, experimental “we had never held so reactors consumed more energy than they produced. This situation could soon change thanks to the recent advances in Stellarators technology. opening the way to a new energy era.
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Stellarators vs Tokamaks: two approaches to master plasma – "we had never held so
To “we had never held so confine plasma to extreme temperatures. two main types of reactors have been developed: Tokamaks and Stellarators. Tokamaks use a strong electric current inside the plasma to generate a magnetic field capable of confining it. Although this method is simple, it is difficult to stabilize over long durations, which limits its performance. On the other hand. the Stellarators use a complex set of external magnets arranged in a helical -shaped shape to maintain the stable plasma, without recourse to an internal current. This approach, although more complicated to design, promises better stability for prolonged operation. The Wendelstein 7-X is currently the most advanced Stellarator, demonstrating an unequaled capacity to maintain a stable and warm plasma.
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A record experimental campaign for Wendelstein 7-X
During recent experiences carried out at the Max Planck Institute in plasmas physics in Germany. the Wendelstein 7-X surpassed all expectations by breaking several world records. Additionally, The reactor maintained hot and stable plasma for a record period, an essential criterion for the efficiency of the merger. The “triple product”. which combines the density of the plasma, its temperature and the time to contain energy, has reached values comparable to those of the best Tokamaks. This triple product is crucial Because it measures the “we had never held so effectiveness of the fusion reaction. It is necessary to exceed a certain threshold. named Lawson criterion, so that the merger becomes self-entrenched, producing more energy than it consumes. These results testify to the immense potential of Stellarators for future commercial use.
How did they succeed in this master stroke?
This advance is based on a major technical innovation: a new fuel injection system. The researchers have designed an injector capable of projecting hundreds of frozen hydrogen pastilles in plasma at extreme speeds. reaching up to 800 meters per second. At the same time, plasma was heated by powerful microwave pulses, reaching a temperature of 30 million degrees Celsius. This precision work made it possible to maintain the plasma in a stable condition for 43 secondsa record time. for a Stellarator. In addition, the reactor has reached an energy renewal of 1.8 gigach over six minutes, surpassing the performance of other “we had never held so reactors, such as the Chinese Tokamak East. These technological advances bring humanity closer to the commercial exploitation of the nuclear merger.
The results obtained by the Wendelstein 7-X show that the Stellarator is a serious candidate to become the key. technology of the future fusion power plants. However, many challenges remain to be overcome to reach a viable commercial operation. While we continue to move towards this ambitious objective. how will these developments influence future global energy policies and the transition to sustainable energy sources?
This article is based on verified sources and the assistance of editorial technologies.
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