Unified In-Space Propulsion Framework for Prediction of Plume-Induced Spacecraft Environments, Phase I

Metadata Updated: November 12, 2020

Chemical contamination of spacecraft components as well as thermal and force loading from firing liquid propellant thrusters are critical concerns for in-space propulsion applications. Gas molecular contamination and liquid droplet deposition due to incomplete combustion threaten to damage surface materials, sensitive instruments and optical sensors, and poses major risks for mission success. Liquid propellant thrusters operate in space at near-vacuum conditions, and contaminants traverse a complex mixed continuum-rarefied environment upon exiting the thruster nozzle. Current CFD modeling capabilities for in-space propulsion analysis have made great strides, but fall short of providing the fidelity required to simulate the contaminant transport around the spacecraft with sufficient efficiency and accuracy. This STTR will develop and deliver an innovative computational architecture for prediction of plume flow impingement and contaminant dispersal through mixed flow environments for in-space propulsion analysis. CFDRC will supplement the massively parallel Loci framework with a highly accurate unified solver for prediction of mixed continuum-rarefied flows with contaminant dispersal. This will enable better understanding and prediction of thermal and force loading and contamination of spacecraft components, and enable design of a new era of safer next-generation in-space propulsion systems. Phase I will demonstrate improved modeling fidelity and provide great insight into in-space thruster plume contaminant environments. Phase II will bring the complete predictive capabilities to production for detailed investigations into contaminant environments for full spacecraft configurations.

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Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020

Metadata Source

Harvested from NASA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Publisher Space Technology Mission Directorate
Unique Identifier Unknown
Identifier TECHPORT_90271
Data First Published 2017-06-01
Data Last Modified 2020-01-29
Public Access Level public
Bureau Code 026:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.nasa.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Homepage URL https://techport.nasa.gov/view/90271
Program Code 026:027
Source Datajson Identifier True
Source Hash 91c09c7d6195e1f4eeab75c9cd38386be515e489
Source Schema Version 1.1

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