A recent study published by Chinese researchers has cracked the code for enhancing efficiency and thrust in missile propulsion systems using helium. The breakthrough comes as a response to Boeing’s Starliner spacecraft issues, where helium leakage has paralyzed the spacecraft.
The team at Harbin Engineering University found that injecting helium into solid-fuel rocket motors can significantly improve thrust and stealth capabilities. By adding just 1 part of helium to 4 combustion gases, the rocket’s specific impulse efficiency was increased by 5.77%, resulting in a 300% increase in thrust on demand.
This technique also reduces exhaust temperatures, making the plume less detectable by heat-seeking sensors. The inert nature of helium avoids combustion instability, unlike volatile alternatives like hydrogen.
The research has significant implications for military technology, as modern missile defense systems rely on detecting hot rocket plumes. However, this breakthrough could allow missiles to change speeds unpredictably, making them harder to intercept.
Potential applications of this technology extend beyond military use, including solid-fuel space launch systems and civilian rockets. This could significantly advance Chinese missile capabilities, especially in hypersonic warfare, but also offer benefits for space travel efficiency and cost-effectiveness.
With China’s latest breakthrough, the country has taken a significant step forward in its pursuit of hypersonic technology, potentially escalating military competition between the US and China in this area.
Source: https://interestingengineering.com/science/boeing-starliners-helium-now-china-missile-miracle