NASA to study Ares rocket propellant tank explosion risks

by | Aug 27, 2008 | Seradata News | 3 comments

NASA Ames Research Center is to study the uncertainty in simulations of Ares launch vehicles propellant tank explosions, in particular the “potential consequences of leakage” through a liquid hdyrogen (LH2), liquid oxygen (LOX) tank common bulkhead with simulations of bulkhead leaks, LOX/LH2 tank drop tests and boiling liquid, expanding vapour explosions (BLEVEs)

The simulations are part of the space agency’s Simulation Assisted Risk Assessment (SARA) project. SARA is to provide physics-based analyses to assess “failure environments associated with space exploration system failures”. The study’s results will be incorporated into the SARA ascent abort risk modeling effort

Ames states that the contractor’s capabilities must include “first-principles physics models” for cryogenic fuel vaporization, turbulent mixing and the finite-rate combustion chemistry of hydrogen and oxygen with “subsequent blast wave initiation and propagation”

For this Ames is going to purchase the services of Craft-Tech, a company that has already carried out similar work for the agency. It has modelled cryogenic real fluid flow and related “multi-phase phenomena such as cavitation” under two NASA small business innovation research contracts

Previously Craft-Tech has studied technology for NASA’s cancelled Next Generation Launch Technology programme and worked on improving Space Shuttle Main Engine turbopumps and expendable launch vehicles

About Seradata

Seradata produce the renowned SpaceTrak Launch & Satellite Database. Trusted by 100 of the world’s leading Space organisations, SpaceTrak is a fully queryable database used for market analysis, failure/risk assessment, spectrum analysis and space situational awareness (SSA).

For more information go to www.seradata.com/spacetrak

Related Articles

About Rob Coppinger

Rob Coppinger is a recovering powerpoint user and engineer who mistakenly thought journalism was more glamorous than production engineering. He Read more

T+1 as Hyperbola launches itself far, far above the blogosphere

All things spaceflight industry get linked too and commented on in Hyperbola, the new blog from Flight's technical reporter Rob Read more

Like meetings, space conferences are a great way to avoid work

Hyperbola is a technology orientated spaceflight blog about the industry that builds the launchers and spacecraft that will realise the Read more

All I ask is a tall rocket, and a pad to launch her by.

Hyperbola is a technology orientated spaceflight industry blog that sees Flight technical reporter Rob Coppinger take a, sometimes, wry look Read more

On-orbit propellant fever!!

Hyperbola is a technology orientated spaceflight blog from Flight technical reporter Rob Coppinger.

Less is more

Hyperbola is a technology orientated spaceflight blog by Flight technical reporter Rob Coppinger

NASA gives public a new Dawn

Hyperbola is a technology orientated blog by flight technical reporter Rob Coppinger

While you’re waiting for that next Shuttle launch…

Hyperbola is a technology orientated spaceflight blog by Flight's technical reporter Rob Coppinger

Categories

Archives