Ground Wind Loads on the Space Launch System Mobile Launcher Crew Access Arm

Wignall, Thomas J.; Collins, Jesse G.; Pomeroy, Brent W.; Pinier, Jeremy T.

doi:10.2514/6.2023-0240

AIAA SCITECH 2023 Forum 2023

DOI: 10.2514/6.2023-0240

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Ground Wind Loads on the Space Launch System Mobile Launcher Crew Access Arm

Thomas J. Wignall

Jesse G. Collins

Brent W. Pomeroy

et al.

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2024

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Low-Speed Space Launch System Computational Fluid Dynamics: A Comprehensive Overview

Pomeroy,

Krist,

Wignall

et al. 2024

Journal of Spacecraft and Rockets

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In this review paper, low-speed computational work from NASA Langley Research Center in support of the Space Launch System (SLS) is discussed. This information includes both historical and present efforts with the Kestrel computational fluid dynamics solver. The low-speed aerodynamics of SLS is highly complex, and the analysis of the unsteady flowfield requires significant computational efforts. The SLS mission profile varies from the vehicle static on the launch pad through high-speed ascent. This study focuses on the prelaunch as well as liftoff and transition portions of the flight both in proximity to the launch tower and in isolation. High-alpha conditions, as large as 90 deg, result in a flowfield dominated by massive, large-scale flow separation and asymmetric vortices. High-fidelity solutions require an unsteady computational formulation to accurately capture the aerodynamics of the vehicle. A detailed discussion of the computational approach is presented, followed by key efforts to support the program, both historic and present, including information that has been either published previously or that has never before been published external to NASA.

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Low-Speed Space Launch System Computational Fluid Dynamics: A Comprehensive Overview

Pomeroy,

Krist,

Wignall

et al. 2024

Journal of Spacecraft and Rockets

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

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Ground Wind Loads on the Space Launch System Mobile Launcher Crew Access Arm

Cited by 1 publication

References 4 publications

Low-Speed Space Launch System Computational Fluid Dynamics: A Comprehensive Overview

Low-Speed Space Launch System Computational Fluid Dynamics: A Comprehensive Overview

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