Nose Cone Geometry’s Effect on Rocket Aerodynamic and Thermal Performance

Abstract

This work reviews how different nose cone shapes affect the aerodynamic and thermal performance of rockets and other aerospace vehicles. A wide range of designs, including smooth profiles, blunted shapes, elliptical and conical forms, and modified surfaces such as dimples, spikes, and coolant jets, is assessed. Aerodynamic behavior is evaluated using the drag coefficient and drag force, while thermal behavior is evaluated using heat flux and heat transfer coefficient. The results show that the geometry of the nose cone strongly controls how the airflow moves, shock waves form, and heat spreads across the surface. Smooth and slender shapes lower drag at lower speeds, while blunted or shock‑changing designs reduce heating at higher speeds. Added features can also improve performance by changing the boundary layer or adjusting the shock pattern. This review analyzes 9 different studies on nose cone geometry and thermal performance, grouped by speed range. While some features are well-characterized, experimental data for subsonic designs is limited, making it harder to draw conclusions in this regime. Overall, these findings provide a clearer understanding of how nose cone shapes govern flight characteristics in different flow regimes and guide future improvements in aerospace vehicle design.