Computational Modeling in Support of High Altitude Testing Facilities

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX08CA36C
Agency Tracking Number: 066007
Amount: $599,982.00
Phase: Phase II
Program: SBIR
Awards Year: 2008
Solicitation Year: 2006
Solicitation Topic Code: O2.02
Solicitation Number: N/A
Small Business Information
6210 Keller's Church Road, Pipersville, PA, 18947-1020
DUNS: 929950012
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Vineet Ahuja
 Principal Investigator
 (215) 766-1520
 vineet@craft-tech.com
Business Contact
 Paula Schachter
Title: Business Official
Phone: (215) 766-1520
Email: schachte@craft-tech.com
Research Institution
N/A
Abstract
Simulation technology plays an important role in propulsion test facility design and development by assessing risks, identifying failure modes and predicting anomalous behavior of critical systems. This is true for facilities such as the proposed A-3 that will operate at low pressures in conjunction with steam ejectors and the B-2 facility where flame deflector cooling and plume impingement dynamics become important. Integrated analyses of facility designs that include supersonic diffusers, steam ejectors, valves, cooling spray nozzles and turning ducts will be carried out for both steady state operation and shutdown/startup transients. More importantly, predictions related to thermal and pressure loads on diffuser/deflector walls will be made and transient phenomena such as blow-back during shutdown and start-up blast waves will be studied. The proposed innovation expands on the multi-element unstructured CFD which has been validated for complex valve/feed systems and high pressure propellant delivery systems used in engine and component test stands at NASA SSC. The focus here will be on extending this capability to include advanced models for analysis of non-equilibrium two-phase flow dynamics and heat transfer in water injection systems in the flame deflector, steam loaded plume entrainment, chemical steam generator performance and operation of steam ejectors.

* Information listed above is at the time of submission. *

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