Non-Newtonian Fluid as MMOD and Radiation Protection?

In summary, the conversation discusses the potential use of non-Newtonian fluid as a shield against radiation and micro meteoroids and orbital debris in space travel. While water is known to be effective in radiation shielding and non-Newtonian fluid is good at absorbing impacts, the viability of using it as a shield is questioned due to temperature and potential leakage. Suggestions are made for using the fluid as insulation or a pressure barrier, but the presence of particulates in the fluid may affect its effectiveness.
  • #1
duhuhu
59
2
So everyone has made non-Newtonian fluid at some point in their lives (when you mix corn starch and water and get that awesome liquid/solid) well in one of my classes last semester we were asked to think of ways to aid in shielding from radiation and MMOD's (Micro Meteoroids and Orbital Debris) while in orbital and trans-planetary flight.

Knowing that water is very effective at radiation shielding, and non-Newtonian fluid is good at taking impacts, would it be effective to surround a ship with a thin shield of this fluid to aid in protection from both of these hazards?

I know that it would probably not be viable due to temperatures, but assuming that you could keep it at an optimum temperature, and that it could be used to store water for the crew and machinery so it would be useful as storage space, would it be useful?
 
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  • #2
Perhaps using the non-Newtonian fluid as an insulating layer between two walls but it seems that the micro-meteorite impact would puncture the outer wall and the fluid would leak out.
 
  • #3
I honestly did not think about that... Maybe the fluid would freeze once it hit vacuum and work as a pressure barrier? Probably not though due to how much particulate there is in the fluid...
 

1. What is a Non-Newtonian Fluid?

A Non-Newtonian Fluid is a type of fluid that does not follow the classical Newtonian laws of viscosity, which states that the viscosity of a fluid remains constant regardless of the applied force. Non-Newtonian fluids exhibit varying levels of viscosity depending on the applied force or shear rate.

2. How can Non-Newtonian Fluids be used for MMOD (Micro-Meteoroid and Orbital Debris) protection?

Non-Newtonian fluids can be used for MMOD protection by creating a layer of fluid between the spacecraft and any potential debris. The fluid's unique viscosity properties can act as a barrier, dissipating the energy of the debris upon impact and reducing the likelihood of damage to the spacecraft.

3. Are Non-Newtonian Fluids effective for radiation protection?

Yes, Non-Newtonian fluids can also be used for radiation protection. These fluids can be mixed with materials that have high hydrogen content, such as polyethylene or water. The hydrogen atoms in the fluid can capture the radiation and dissipate it, reducing the exposure to harmful radiation for astronauts or spacecraft components.

4. Can Non-Newtonian Fluids be used for long-term protection in space?

Yes, Non-Newtonian fluids have been shown to maintain their protective properties over extended periods in space. These fluids do not evaporate or degrade in the vacuum of space, making them a reliable long-term solution for MMOD and radiation protection.

5. What are the limitations of using Non-Newtonian Fluids for MMOD and radiation protection?

One limitation of using Non-Newtonian fluids for protection in space is their susceptibility to extreme temperatures. Some Non-Newtonian fluids can lose their viscosity properties in extreme heat or cold, so careful consideration must be taken when choosing a fluid for a specific mission. Additionally, the weight and volume of the fluid may also be a limitation for certain spacecraft designs.

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