Thermal protection system design 1. Re-entry to Earth atmosphere; 2. Entry to other planets with atmosphere, like Mars, Titan, et cl. 3. Radiative heating becomes much more important as velocity bigger than 9 km/s for Earth re-entry; 4. Proportional to V~8.
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机译：热保护系统设计1.重新进入地球大气层; 2.进入其他有大气层的行星，如火星，土卫六等。 3.当重新进入地球的速度大于9 km / s时，辐射加热变得更加重要。 4.与V〜8成比例。
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