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| Advanced Combustion via
Microgravity Experiments (ACME) |
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 Objective:
Modular apparatus designed for gaseous fuel investigations to
study:
- combustion structure and stability
near flammability limits,
- soot inception, surface growth, and
oxidation processes,
- emission reduction through nitrogen exchange,
- combustion
stability enhancements via an electric field.
Relevance/Impact:
- Verified computational models
that will enable the design of high efficiency, low emission combustors
operating at near-limit conditions.
- Reduced design costs due to
improved capabilities to numerically simulate combustion processes.
- Efficient
soot control strategies for industrial applications.
Development Approach:
- Flight design leverages off previous flight design
heritage.
- Multi-user, re-usable apparatus minimizing up-mass/volume,
costs, and crew involvement.
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Four flame designs to be studied by ACME
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Combustion Integrated Rack (CIR)
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Spherical Flame (s-Flame)
Principal Investigaotor: Prof. C. K. Law, Princeton University
Co-Investigators: Prof.
Stephen Tse, Rutgers U.
Dr. Kurt Sacksteder, NASA GRC
Flame Design
Principal Investigaotor: Prof. Richard Axelbaum, Washington University, St. Louis
Co-Investigators: Prof.
Beei-Huan Chao, U. Hawaii
Prof. Peter Sunderland, U. Maryland
Dr. David
Urban, NASA GRC
Coflow Laminar Diffusion Flame (CLD Flame)
Principal Investigaotor: Prof. Marshall Long, Yale University
Co-Investigators: Prof. Mitchell Smooke, Yale University
Electric-Field Effects on Laminar Diffusion Flames (E-FIELD Flames)
Principal Investigaotor: Prof. Derek Dunn-Rankin, UC Urvine
Co-Investigators:: Prof.
Felix Weinberg, Imperial College, London
Dr. Zeng-Guang Yuan, NCSER/GRC
Project Scientists: Dennis Stocker, NASA GRC;
Dennis.P.Stocker@nasa.gov
216-433-2166
Dr. Fumiaki Takahashi,
NCSER/GRC
216-433-3778
Project Manager: Robert W. Hawersaat
Robert.W.Hawersaat@nasa.gov
216-433-8157
Engineering Team: ZIN Technologies, Inc.
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