Design and Analysis Aerospike Blunt Body at Hypersonic Speed

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This preprint studies aerodynamic design of an aerospike attached to a blunt body under hypersonic conditions, using ANSYS Fluent to model flow at Mach 6 with angle of attack set to zero. It compares performance quantified by lift-to-drag ratios of 1.5 and 2, reporting that replacing the blunt front with the aerospike produces weak oblique shocks and a detached shock, creating a circular region between the shock and the body that acts as a streamlined feature to reduce both drag and heating. The key limitation is that the work is a CFD-based analysis presented in a preprint and, in the provided text, does not describe experimental validation or additional operating conditions beyond the stated Mach number and angle of attack. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Abstract Hypersonic vehicles have the drag and heating problem when they operate at high speeds, to avoid or minimize this problem, aero spikes are utilized. This investigation finds a solution for reducing the drag and heating. Using ANSYS fluent, designed an aero spike, which has flow around a blunt body at highpersonic Mach number 6 with angle of attack zero. It is analyses for L/D ratio of 1.5 and 2. The front of the body is replaced by an aero spike which has weak oblique shocks and well-built detached shock. This develops a circular region between shock and blunt body. This works as a streamlined profile to reduce heat as well as drag.
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This investigation finds a solution for reducing the drag and heating. Using ANSYS fluent, designed an aero spike, which has flow around a blunt body at highpersonic Mach number 6 with angle of attack zero. It is analyses for L/D ratio of 1.5 and 2. The front of the body is replaced by an aero spike which has weak oblique shocks and well-built detached shock. This develops a circular region between shock and blunt body. This works as a streamlined profile to reduce heat as well as drag. Aeronautics and Astronautics Aero spike Blunt body Hypersonic Mach number ANSYS Bow shocks Full Text Additional Declarations The authors declare no competing interests. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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