Uncertainty Analysis of the LE-7A Liquid Oxygen-Hydrogen Rocket- Engine Hot Firing Tests

The H-IIA rocket is the primary large-scale launch vehicle of the Japan Aerospace Exploration Agency (JAXA). The vehicle is primarily used for launching satellite payloads and injecting them into orbit. The first-stage main engine for the H-IIA is the LE7A engine. The LE-7A is a liquid-oxygen/hydrog...

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Published in:Journal of propulsion and power 2005-11, Vol.21 (6), p.1126-1128
Main Authors: Lineberry, David M, Coleman, Hugh W, Sekita, Ryuichi
Format: Article
Language:English
Subjects:
Liquid oxygen
Rocket firing
Test firing
Uncertainty analysis
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creator Lineberry, David M
Coleman, Hugh W
Sekita, Ryuichi
description The H-IIA rocket is the primary large-scale launch vehicle of the Japan Aerospace Exploration Agency (JAXA). The vehicle is primarily used for launching satellite payloads and injecting them into orbit. The first-stage main engine for the H-IIA is the LE7A engine. The LE-7A is a liquid-oxygen/hydrogen engine with a staged combustion power cycle. Development of the LE-7A engine began in 1994 as part of a larger redesign of the H-II rocket. The engine was developed to replace the LE-7 first-stage engine of the H-II rocket. The LE-7A was designed to improve several aspects of its predecessor including reliability, performance, and operational costs.
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subjects Liquid oxygen
Rocket firing
Test firing
Uncertainty analysis
title Uncertainty Analysis of the LE-7A Liquid Oxygen-Hydrogen Rocket- Engine Hot Firing Tests
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