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The heat shield for the capsule of the Orion crew in NASA is very large but with a traditional design. . | Credit: NASA/Isaac Watson
It suggests an innovative approach to the fully reusable spacecraft that makes it a “sweat” to survive at the heat of the incendiary while re -entering the Earth’s atmosphere, allowing them to land ready for another trip.
A research team from the University of Texas A & M partnership with Canopy Aerospace to develop and test a 3D printing The materials that are launched or “sweat” liquid cooled liquid to protect spacecraft from the intense heat that was faced when returning to land High speeds.
This innovative design uses a method called for cooling, where a layer of gas is launched along the surface of the car that not only cools the spacecraft but also acts as a barrier that prevents direct contact with the heat resulting from friction and pressure Weather gases While re -entering.
Texas A & M researchers develop innovative heat shield technology in front of one of the tunnels that test the inscription in the National Chemistry Laboratory and weather chemistry. From the left: Dr. Hassan Saad Evity, Dr. Evit Leva and William Matthews. | Credit
The use of gas as a traditional spacecraft is replaced and used Heat shields Those heat -resistant ceramic tiles that need to be replaced between flights, which makes spacecraft more, quickly and quickly ReusableAccording to a statement issued by the University of Texas A and M.
“The gas has a very low thermal delivery,” said Hassan Saad Atti, an assistant professor in space engineering. Statement. “This is why a very effective swollen jacket. It sticks to the air in these pockets, so it is the insulation of air that makes you warm, not the solid part of the jacket.”
New article – a 3D printing Silicon carbide that was developed by umbrella space – to be strong enough to withstand severe air pressure, is adequately porous to the sweat cooler. Initial models are tested at the university to assess the ability of the material to “sweat” and the quality of the gas that is launched in a spacecraft.
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“We must see that the surface of the material is cooler in Hypersmotopper speed When the refrigeration liquid flow is entered from the foundation line when there is no cooling liquid, “William Matthews, a fourth year student who leads the test, said in the statement:” Depending on the quality of gas permeation of the materials, there are many possible results of this technology, and these tests should help us to determine the direction we want to go. “
This research is part of the $ 1.7 million small business technology grant.
