Fluid-thermal analysis of aerodynamic heating over spiked blunt body configurations

Q Qin, J Xu, S Guo - Acta Astronautica, 2017 - Elsevier
When flying at hypersonic speeds, the spiked blunt body is constantly subjected to severe
aerodynamic heating. To illustrate the thermal response of different configurations and the …

Phase-A design of a reusable re-entry vehicle

A Aprovitola, L Iuspa, G Pezzella, A Viviani - Acta Astronautica, 2021 - Elsevier
In this paper, a design procedure developed to obtain a Phase-A compliant optimal
aeroshape is presented. The proposed vehicle performs a low Earth orbit re-entry and a …

Multi-objective optimization for re-entry spacecraft conceptual design using a free-form shape generator

A Viviani, L Iuspa, A Aprovitola - Aerospace Science and Technology, 2017 - Elsevier
In this paper we developed a multi-disciplinary, multi-objective optimization procedure for
the shape generation of re-entry spacecrafts performing conventional landing from a Low …

Time-periodic shock interaction mechanisms over double wedges at Mach 7

AS Durna, B Celik - Shock Waves, 2019 - Springer
The present study focuses on the long-term behavior of low-enthalpy M= 7 flows over double
wedges that have a fixed fore angle of 30° and aft angles ranging from 45° to 60°. Although …

Spatial selectivity of plasma sheath channel at millimeter wave band for hypersonic vehicle

B Yao, L Shi, X Li, H Wei, Y Liu - IEEE Transactions on Plasma …, 2022 - ieeexplore.ieee.org
Millimeter wave is a potential way to overcome the blackout problem. However, the plasma
sheath is axially nonuniform, and it has different effects on millimeter wave at different axial …

Thermal protection system design of a reusable launch vehicle using integral soft objects

A Aprovitola, L Iuspa, A Viviani - International Journal of …, 2019 - Wiley Online Library
In the present paper, a modelling procedure of the thermal protection system designed for a
conceptual Reusable Launch Vehicle is presented. A special parametric model, featuring a …

Wall roughness effects on the supersonic flow over a circular cylinder

A Blanco-Casares, GB Jacobs - Shock Waves, 2022 - Springer
A comprehensive and systematic, computational investigation is presented on the effect of
wall roughness on the supersonic flow over a circular cylinder with a Reynolds number of …

Aerothermodynamic assessment of spiked configuration for drag reduction at hypersonic speeds

S Kumar, V Kulkarni, SP Jammy - Journal of Aerospace …, 2020 - ascelibrary.org
Aerothermodynamic analysis was performed for blunt-body configurations with spikes
mounted to determine drag reduction effectiveness. In-house perfect gas and chemical …

Assessment of three databases for the NASA seven-coefficient polynomial fits for calculating thermodynamic properties of individual species

OA Marzouk - arXiv preprint arXiv:2108.05444, 2021 - arxiv.org
This work considers the seven-coefficient polynomials proposed by the National Aeronautics
and Space Administration (NASA) to facilitate obtaining a normalized value for three …

Verification and validation of high-fidelity open-source simulation tools for supersonic aircraft aerodynamic analysis

HH Stoldt, A Korobenko… - Journal of …, 2021 - asmedigitalcollection.asme.org
Small supersonic vehicle concepts used as research platforms to test new aerospace
technologies, such as advanced propulsion systems or large sensor payloads, require major …