Scientists have been looking forward to one day to be able to build settlements on the moon and even Mars, so that human beings can work and live in peace there for months or even years. But before that, there are still many complicated problems waiting for us to overcome, especially the stable and reliable energy supply. The US Department of Energy and NASA believe that nuclear power is perhaps the most feasible method. In addition, the latest ground prototype tests show that this space nuclear reactor has shown full prospects.
(Photo from: NASA, via BGR)
Space.com reported that the U.S. Department of Energy believes that it can prepare a nuclear reactor to support launching in 2022. If all goes well, it can deploy before NASA sends humans to the moon and Mars.
Patrick McClure, head of the Kilopower project, said in a July speech: "I think three years is a very viable goal. We can do this within three years and prepare for the launch."
The US Department of Energy believes that providing nuclear fission-based reaction energy in space is not much different from that on Earth. We only need to use the heat generated by the fission of the atomic nucleus and convert it into electrical energy with the help of a generator.
Although the efficiency of the early mechanical energy conversion was still relatively limited (the Kilopower reactor tested was only 30% efficient), its output power was far better than the nuclear power batteries used in many NASA probes (such as the Mars probe).
The agency estimates that nuclear power reactors using Kilopower technology can provide at least 1 kilowatt of electricity, and the estimated service life is 15 years. It is enough to provide stable energy support for a large number of tasks that need to be executed for a long time, and play an important role in other tasks.
die cavity
- A hollow or recessed section of a die into which the punch forces the metal to form it.
- Mold cavity is a mold term for production and manufacturing, that is, the part that constitutes the product space is called a molded part (that is, the entire mold), and the part that molds the outer surface of the product (mold) is called a cavity
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The concave part is the cavity, also known as the front mold or master mold,
The corresponding raised part is called the core. Also known as back mold or male mold.
The cavity of the mold is closed with the core, and the gap in the middle is the product.
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