Published Paper Details:

Analyzing fluid dynamics around a blunt nose with various spikes and angles of attack involves understanding how the shape and orientation of the nose affect airflow and aerodynamic forces such as lift and drag. Begin by defining the geometry of the blunt nose and the various spikes that will be attached to it. This includes specifying dimensions, shapes, and positions of the spikes relative to the blunt nose. Use a CFD software package such as ANSYS Fluent, COMSOL Multiphysics, or OpenFOAM to simulate the flow around the blunt nose with different spike configurations. Compare the performance of different spike configurations and angles of attack based on metrics such as lift, drag, and aerodynamic efficiency. Identify which configurations produce the desired aerodynamic characteristics for the given application. Based on the simulation results, optimize the design of the blunt nose and spikes to improve aerodynamic performance, minimize drag, or achieve other design objectives. The provided information suggests that blunting the front surface of an aerospace vehicle serves as a form of thermal protection. However, despite this blunting, the nose still experiences intense thermal action, necessitating even greater thermal protection than the peripheral parts of the vehicle. To address the issue of wave drag, which typically occurs due to the blunt nose shape, modifications to the flow field in front of the vehicle are necessary. One technique to achieve this modification is by employing a retractable nose spike. By deploying a retractable spike, the flow field can be altered, potentially reducing wave drag and improving aerodynamic performance