Publications
Since the development of the ram accelerator in the mid 1980's, there have been numerous papers and articles written to portray its applications and contributions to fundamental science. In addition, each year, ram accelerator personnel present papers on their current research at professional conferences and workshops.
If you'd like to learn more about the capabilities of the device, please look at some of the papers listed below or contact one of the researchers listed on the Contact Ram Personnel page.
Archival
Journal Papers
One-Dimensional Modeling of Ram Accelerator at High
Acceleration Rates in the Subdetonative Velocity Regime
C. Knowlen, P. Bauer and A.P. Bruckner
European Physical Journal, Applied Physics
29:253-258, 2005
Modeling Acceleration Effects on Ram Accelerator Thrust at
High Pressure
C. Knowlen, P. Bauer and A.P. Bruckner
Accepted for publication in Journal
of Propulsion & Power 2005
Unsteady Effects on Ram Accelerator Operation at Elevated
Pressures
C. Knowlen, C. Bundy and A.P. Bruckner
Journal of Propulsion & Power
Vol. 2, No.5, 2004, pp. 801-810
Compressibility Effects of Unreacted Propellant on Thermally
Choked Ram Accelerator Performance
C. Knowlen, P. Bauer
European Physical Journal, Applied Physics
21:233-238, 2003
Direct Space Launch Using Ram Accelerator Technology
C. Knowlen, A.P. Bruckner
Space Technology and Applications Forum–2001
El-Genk, M.S., ed., pp. 583-588,
American Institute of Physics, Albuquerque, NM, February 11-14, 2001
Detonation Wave Initiation of Ram Accelerator Propellants
C. Knowlen, P. Bauer
Shock Waves
11:179-187, 2001
Determination of the Choke Pressure of a Ram Accelerator
Projectile in Subdetonative Regime
C. Knowlen, P. Bauer, A.P. Bruckner and M. Henner
Journal de Physique IV France
10:59-67, 2000
Investigation of Obturator and Ignitor Effects on Low
Velocity Starting of the Ram Accelerator
C. Knowlen, C. Bundy, A.P. Bruckner and D. Kruczynski
Journal de Physique IV France
10:49-58, 2000
Ram Accelerator Operating Characteristics at Elevated Fill
Pressures
C. Knowlen, C. Bundy and A.P. Bruckner
Journal de Physique IV France
10:11-19, 2000
Starting Envelope of the Subdetonative Ram Accelerator
C.Knowlen, E. Schultz and A.P. Bruckner
Journal of Propulsion & Power
16:1040-1052, 2000
Obturator and Detonation Experiments in the Subdetonative Ram Accelerator
C. Knowlen, E. Schultz and A.P. Bruckner
Shock Waves
9:181-191, 1999
Ram Accelerator Operating Limits, Part 2: Nature of Observed Limits
C. Knowlen, A.J. Higgins and A.P. Bruckner
Journal of Propulsion & Power
14:959-966, 1998
Ram Accelerator Operating Limits, Part 1: Identification of Limits
C. Knowlen, A.J. Higgins and A.P. Bruckner
Journal of Propulsion & Power
14:951-958, 1998
A Review of Detonation Initiation Techniques for Insensitive
Dense Methane-Oxygen-Nitrogen Mixtures
C. Knowlen, P. Bauer, J.F. Legendre and A.J. Higgins
European Physical Journal, Applied Physics
2:183-188, 1998
Real Gas Effects on the Prediction of Ram Accelerator
Performance
C. Knowlen, P. Bauer and A.P. Bruckner
Shock Waves
8:113-118, 1998
Overview of the Subdetonative Ram Accelerator Starting
Process
C. Knowlen, E. Schultz and A.P. Bruckner
Ram Accelerator, (K. Takayama and A. Sasoh, eds.)
Proceedings of RAMAC III: Third
International Workshop on Ram Accelerators, Sendai, Japan, July 16-18, 1997,
Springer-Verlag, Berlin, 1998, pp 189-203, 1998
Effects of Launch Tube Shock Dynamics on Initiation of Ram
Accelerator Operation
C. Knowlen, J.F. Stewart and A.P. Bruckner
Ram Accelerator, (K. Takayama and A. Sasoh, eds.),
Proceedings of RAMAC III: Third
International Workshop on Ram Accelerators, Sendai, Japan, July 16-18, 1997,
Springer-Verlag, Berlin, 1998, pp 181-188, 1998
Real Gas Effects on Thermally Choked Ram Accelerator
Performance
C. Knowlen, D.L. Buckwalter and A.P. Bruckner
Ram Accelerator, (K. Takayama and A. Sasoh, eds.)
Proceedings of RAMAC III: Third
International Workshop on Ram Accelerators, Sendai, Japan, July 16-18, 1997,
Springer-Verlag, Berlin, 1998, pp 125-134, 1998
High Acceleration Experiments Using a Multi-Stage Ram
Accelerator
C. Knowlen, J.E. Elvander and A.P. Bruckner
Ram Accelerator, (K. Takayama and A. Sasoh, eds.)
Proceedings of RAMAC III: Third
International Workshop on Ram Accelerators, Sendai, Japan, July 16-18, 1997,
Springer-Verlag, Berlin, 1998, pp 55-64, 1998
Ram Accelerator Performance Modeling
C. Knowlen, A. Sasoh
Ram Accelerator, (K. Takayama and A. Sasoh, eds.),
Proceedings of RAMAC III: Third International Workshop on Ram Accelerators, Sendai, Japan, July 16-18, 1997, Springer-Verlag, Berlin, 1998, pp 25-37, 1998
Ram Accelerator Operation Analysis in the Thermally Choked
and Transdetonative Propulsive Modes
C. Knowlen, A. Sasoh
Transactions of the
Vol. 40, No. 128, August, 1997
Hollow Projectile Operation in the Ram Accelerator
C. Knowlen, A. Sasoh, A.J. Higgins, A.P. Bruckner
Journal of Propulsion and Power
Vol. 12, No. 6, pp 1183-1186, 1996
A Feedback Controlled Gas Mixing System for the Ram Accelerator
M. R. Jardin, A. P. Bruckner
Journal
of Propulsion and Power
Vol. 11, No. 6, November-December
1995, pages 1291-1298
Ram Accelerator Ballistic Range Concept for Softly Accelerating Hypersonic Free-Flying Models
K. W. Naumann, A. P. Bruckner
Journal
of Aircraft
Vol. 31, No. 6, November-December 1994, pages 1310-1316
In-Tube Photography of Ram Accelerator Projectiles
C. Knowlen, A.J. Higgins, A.P. Bruckner and A. Hertzberg
Shock Waves @ Marseille
Vol. I, Proceedings of the 19th
International Symposium on Shock Waves, Marseille, France, July 26-30, 1993, R.
Brun and L.Z. Dumitrescu, eds., Springer-Verlag, Berlin, 1995, pp. 189-194
Numerical Study of Shock-Wave/Boundary-Layer Interactions in Premixed Combustible Gases
S. Yungster
AIAA
Journal
Vol. 30, No. 10, October 1992, pages 2379-2387
Initiation of Combustion in the Thermally Choked Ram
Accelerator
C. Knowlen, E.A. Burnham, A.P. Bruckner, A. Hertzberg, and D.W. Bogdanoff
Shock Waves
Vol II, Proceedings of the 18th
International Symposium on Shock Waves, Sendai, Japan, July 21-26, 1991, K.
Takayama, ed., Springer-Verlag, Berlin, 1992, pp. 623-630
A Hugoniot Analysis of the Ram Accelerator
C. Knowlen, A.P. Bruckner
Shock Waves
Vol I, Proceedings of the 18th
International Symposium on Shock Waves, Sendai, Japan, July 21-26, 1991, K.
Takayama, ed., Springer-Verlag, Berlin, 1992, pp. 617-622
Ram Accelerator Direct Space Launch System: New Concepts
D. W. Bogdanoff
Journal
of Propulsion and Power
Vol. 8, No. 2, March-April 1992, pages 481-490
Computational Studies of a Superdetonative Ram Accelerator Mode
S. Yungster, A. P. Bruckner
Journal
of Propulsion and Power
Vol. 8, No. 2, March-April 1992, pages 457-463
Operational Characteristics of the Thermally Choked Ram Accelerator
A. P. Bruckner, C. Knowlen, A. Hertzberg, D. W.
Bogdanoff
Journal
of Propulsion and Power
Vol. 7, No. 5, Sept-Oct 1991, pages 828-836
Experimental Investigation of Ram Accelerator Propulsion Modes
A. Hertzberg, A. P. Bruckner, C. Knowlen
Shock
Waves
Springer-Verlag 1991, pages 17-25
Numerical Simulation of Hypervelocity Projectiles in Detonable Gases
S. Yungster, S. Eberhardt, A. P. Bruckner
AIAA
Journal
Vol. 29, No. 2, February 1991, pages 187-199
A Magnetic Detector for Projectiles in Tubes
C. Knowlen, D.W. Bogdanoff, D.Morakami, I. Stonich
AIAA
Journal
Vol. 28, No. 11, 1990, pages 1942-1944
Computational Investigation of Oblique Detonation Ramjet-in-Tube Concepts
D. C. Brackett, D. W. Bogdanoff
Journal
of Propulsion and Power
Vol. 5, No. 3, May-June 1989, pages 276-281
High Velocity Modes of the Thermally Choked Ram Accelerator
C. Knowlen, A.P. Bruckner, K.A. Scott and A.Hertzberg
AIAA Paper 88-2925
AIAA/ASME/SAE/ASEE 24th Joint
Propulsion Conference, Boston, MA, July 11-13, 1988
Ram Accelerator: A New Chemical Method for Accelerating Projectiles to Ultrahigh Velocities
A. Hertzberg, A. P. Bruckner, D. W. Bogdanoff
AIAA
Journal
Vol. 26, No. 2, February 1988, pages 195-203
Return to the top of this page
Articles in
Popular Magazines
Ramming Speed
G. T. Pope
Discover
Vol. 15, March 1994, pages 50-55
F. Kuznic
Air
& Space
Vol. 8, No. 3, Aug/Sept 1993, pages 54-61
Ram Accelerator Demonstrates Potential for Hypervelocity Research, Light Launch
B. W. Henderson
Aviation
Week and Space Technology
September 30, 1991, pages 50-51
Return to the top of this page
Conference
Papers
One-Dimensional Unsteady Modeling of the Ram Accelerator in the
Subdetonative Regime
C. Knowlen, P. Bauer and A.P. Bruckner
20th International Colloquium on the Dynamics of Explosions and Reactive Systems
Montreal, Canada, August 31 -
September 5, 2005
Gasdynamic Operation of Baffled Tube Ram Accelerator in
Highly Energetic Mixtures
C. Knowlen, A.J. Higgins and C.B. Kiyanda
20th International Colloquium on the Dynamics of Explosions and Reactive Systems
Montreal, Canada, August 31 -
September 5, 2005
What About Ram Accelerators? History, Principles,
Performances, and Applications
C. Knowlen, M. Giraud, A.P. Bruckner, K. Takayama, P. Bauer, and Y. Hamate
Proceedings 55th Aeroballistic Range Association Meeting, EMI-Freiburg
Germany, 2004 (invited)
Ram Accelerator Experiments Leading to Operation at Fill Pressures
up to 20 MPa
C. Knowlen, C. Bundy and A.P. Bruckner
40th Aerospace Sciences Meeting & Exhibit
Reno NV, January 14-17, 2002
Compressibility Effects of Unreacted Propellant on Thermally
Choked Ram Accelerator Performance
C. Knowlen, P. Bauer, C. Bundy and A.P. Bruckner
18th International Colloquium on the Dynamics of Explosions and Reactive Systems
Seattle, WA, July 29 - August 3,
2001.
Ram Accelerator Operation at 15 to 20 MPa Fill Pressure
C. Knowlen, C. Bundy and A.P. Bruckner
18th International Colloquium on the Dynamics of Explosions and Reactive Systems
Seattle, WA, July 29 - August 3,
2001
Investigation of the Ram accelerator Projectile In-Tube
Stability
C. Knowlen, S. Liu, Z. Bai and A.P. Bruckner
18th International Colloquium on the Dynamics of Explosions and Reactive Systems
Seattle, WA, July 29 - August 3,
2001
University of Washington High Pressure Ram Accelerator
Facility
C. Knowlen, C. Bundy, R. Schwab and A.P. Bruckner
Proceedings 50th Meeting of the Aeroballistic Range Association
Pleasanton, CA, November 8-12, 1999
Low Velocity Start of Ram Accelerator: Obturator and Ignitor Effects
C. Knowlen, D. Kruczynski, C. Bundy and A.P. Bruckner
AIAA Paper 99-2265, 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit
Los Angeles, CA, June 20-24, 1999
Ram Accelerator Operating Characteristics at Fill Pressures
Greater than 10MPa
C. Knowlen, C. Bundy and A.P. Bruckner
AIAA Paper 99-2261, 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit
Los Angeles, CA, June 20-24, 1999
Experiments in a 38-mm Bore Ram Accelerator at Pressures up
to 12.5 MPa
C. Knowlen, C. Bundy and A.P. Bruckner
Proceedings 49th Meeting of the Aeroballistic Range Association
Scheveningen, The Netherlands,
October 5-9, 1998
Issues Concerning Computational Analysis of the Ram
Accelerator Starting Process
C. Knowlen, D.L. Buckwalter and A.P. Bruckner
AIAA Paper 98-3147, 34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Cleveland, OH, July 12-15, 1998
Elevated Pressure Experiments in a 38 mm Bore Ram Accelerator
C. Knowlen, C. Bundy and A.P. Bruckner
AIAA Paper 98-3144, 34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Cleveland, OH, July 12-15, 1998
Real Gas Effects on Ram Accelerator Analysis
D. L. Buckwalter, C. Knowlen, and A. P. Bruckner
33rd Annual Joint Propulsion
Conference & Exhibit, Seattle,
Investigation of Low Velocity Starting Techniques for the Ram Accelerator
C. Knowlen, E. Schultz, and A. P. Bruckner
33rd Annual Joint Propulsion
Conference & Exhibit,
Effects of Launch Tube Gases on Starting of the Ram Accelerator
J. Stewart, C. Knowlen, and A. P. Bruckner
33rd Annual Joint Propulsion
Conference & Exhibit,
Recent Results of High Acceleration Experiments in the University of Washington Ram Accelerator
J. Elvander, C. Knowlen, and A. P. Bruckner
33rd Annual Joint Propulsion Conference & Exhibit, Seattle, WA, July 6-9 1997
Detonative Limits Applied to the Subdetonative Ram
Accelerator Starting Process
C. Knowlen, E. Schultz and A.P. Bruckner
AIAA Paper 97-0807, 35th Aerospace Sciences Meeting and Exhibit
Reno, NV, January 6-9, 1997
Ram Accelerator Performance Analysis Code Incorporating Real
Gas Effects
C. Knowlen, D.L. Buckwalter and A.P. Bruckner
AIAA Paper 96-2945, AIAA/ASME/SAE/ASEE 32nd Joint Propulsion Conference
Lake Buena Vista, FL, July 1-3, 1996
High Velocity Performance of the Ram Accelerator
C. Knowlen, J.E. Elvander and A.P. Bruckner
AIAA Paper 96-2675, AIAA/ASME/SAE/ASEE 32nd Joint Propulsion Conference
Lake Buena Vista, FL, July 1-3, 1996
Numerical Analysis of Zero Velocity Start Technique for the
Ram Accelerator
C. Knowlen, K.A. McFall, A.P. Bruckner and A. Hertzberg
AIAA Paper 96-3257, AIAA/ASME/SAE/ASEE 32nd Joint Propulsion Conference
Lake Buena Vista, FL, July 1-3, 1996
Ram Accelerator Operation in the Superdetonative Velocity
Regime
C. Knowlen, A.J. Higgins and A.P. Bruckner
AIAA Paper 96-0098, 34th Aerospace Sciences Meeting and Exhibit
Reno, NV, January 15-18, 1996
Effect of Finite Rate Chemical Reactions on Ram Accelerator
Thrust Characteristics
C. Knowlen, A. Sasoh and A.P. Bruckner
AIAA Paper 95-2492, 31st AIAA/ASME/SAE/ASEE Joint Propulsion Conference
San Diego, CA, July 10-12, 1995
Aerothermodynamics of the Ram Accelerator
C. Knowlen, A.J. Higgins and A.P. Bruckner
AIAA Paper 95-0289, 33rd Aerospace Sciences Meeting and Exhibit
Reno, NV, January 9-12, 1995
Investigation of Ram Accelerator Performance Capabilities
C. Knowlen, A.J. Higgins and A.P. Bruckner
31sr JANNAF Combustion Subcommittee Meeting, Lockheed Missile and Space Company
Sunnyvale, CA, October 17-21, 1994
Investigation of Operational Limits to the Ram Accelerator
C. Knowlen, A. J. Higgins, and A. P. Bruckner
30th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
June 27-29, 1994,
A Computational Study of Projectile Nose Heating in the Ram Accelerator
G. Chew, A. P. Bruckner
30th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
June 27-29, 1994,
Investigation of Propellant Dilution on Ram Accelerator Performance
C. Knowlen, A. P. Bruckner
30th JANNAF Combustion Subcommittee Meeting
Investigation of Ram Accelerator Flow Fields Induced by Canted Projectiles
J.B. Hinkey, E. A. Burnham, and A. P. Bruckner
Aerospace and Energetics Research Program
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference
June 28-30, 1993,
An Investigation of Ram Accelerator Gas Dynamic Limits
A. J. Higgins, C. Knowlen, A. P. Bruckner
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference
June 28-30, 1993,
Overview of Ram Accelerator Technology
A. P. Bruckner, C. Knowlen
National Shock Wave Symposium
Initute of Fluid Sciences,
January 14-16, 1993
Diagnostic Techniques for Ram Accelerator Phenomena
C. Knowlen, A.J. Higgins, J.B. Hinkey, E.A. Burnham, A.T. Mattick
Proceedings 43rd Meeting of the Aeroballistic Range Association
Columbus, Ohio
September 28-October 1, 1992.
High Spatial Resolution Measurements of Ram Accelerator Gas Dynamic Phenomena
J. B. Hinkey, E. A. Burnham, A. P. Bruckner
28th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit
July 6-8, 1992,
Applications of the Ram Accelerator to Hypervelocity Aerothermodynamic Testing
A. P. Bruckner, C. Knowlen, and A. Hertzberg
AIAA 17th Aerospace Ground Testing Conference,
July 6-8, 1992,
Internal Ballistics of the Ram Accelerator
C. Knowlen, A.P. Bruckner and A. Hertzberg
Proceedings 13th International Symposium on Ballistics
Stockholm, Sweden
June 1-3, 1992
Ram Accelerator Combustion Phenomena
C. Knowlen, E. Burnham, A.P. Bruckner, and A. Hertzberg
28th JANNAF Combustion Subcommittee Meeting, Brooks AFB,
San Antonio, TX
October 28-November 1, 1991
University of Washington Ram Accelerator Facility
C. Knowlen, C. Li, J. B. Hinkey, B. Dunmire
42nd Meeting of Aeroballistic Range Association
Investigation of Hypersonic Ramjet Propulsion Cycles using a Ram Accelerator Test Facility
A. P. Bruckner, G. Chew, J. Auzias de Turenne, B. Dunmire
42nd Congress of Internatinoal Astronautical Federation
October 5-11, 1991, Paper # IAF-91-275
Experiments on Hypersonic Ramjet Propulsion Cycles Using a Ram Accelerator
G. Chew, C. Knowlen, E. A. Burnham, A. Hertzberg,
and A. P. Bruckner
27th AIAA/SAE/ASME/ASEE Joint Propulsion Conference
June 24-26, 1991,
Review of Ram Accelerator Propulsion Modes
C. Knowlen, A. Hertzberg and A.P. Bruckner
27th JANNAF Combustion Subcommittee Meeting, Warren AFB
Cheyenne, WY
November 5-9, 1990
Ram Accelerator Performance in the Transdetonative Velocity
Regime
C. Knowlen, A.P. Bruckner, E.A. Burnham, A.E. Kull, and A.Hertzberg
Proceedings 41st Meeting of the Aeroballistic Range Association
San Diego, CA
October 22-25, 1990
Operation of the Ram Accelerator in the Transdetonative
Velocity Regime
C. Knowlen, E.A. Burnham, A.E. Kull, A.P. Bruckner, and A.Hertzberg
AIAA Paper 90-1985, AIAA/SAE/ASME/ASEE 26th Joint Propulsion Conference
Orlando, FL
July 16-18, 1990
The Ram Accelerator as a Hypersonic Test Facility
C. Knowlen, A. Hertzberg and A.P. Bruckner
16th Aerodynamic Ground Testing Conference
Seattle, WA
June 18-20, 1990 (post-deadline paper)
High Velocity Modes of the Ram Accelerator
C.Knowlen, A.P. Bruckner, A.Hertzberg, A.E. Kull, E.A. Burnham, and S. Yungster
Proceedings 40th Aeroballistic Range Association Meeting
Paris, France, September 25-28, 1989
Experimental Studies of Superdetonative Ram Accelerator Modes
A. Kull, E. A. Burnham, C. Knowlen, A. Hertzberg,
A. P. Bruckner
July 1989. AIAA-89-2632
A Numerical Study of the Ram Accelerator Concept in
the
S. Yungster, A. P. Bruckner
July 1989, AIAA-89-2677
Numerical Simulation of Shock-Induced Combustion Generated by High Speed Projectiles in Detonable Gases
S. Yungster, S. Eberhardt, A. P. Bruckner
AIAA-89-0673
Thermodynamics of the Thermally Choked Ram Accelerator
C. Knowlen, A.P.Bruckner and A.Hertzberg
41st Meeting of the Division of Fluid Dynamics of the American Physical Society
Buffalo, NY, Abstract, Bulletin of APS 33(10), November 1988
Recent Developments in Ram Accelerator Technology
C. Knowlen, A.P.Bruckner, K.A. Scott and A.Hertzberg
Proceedings 39th Aeroballistic Range Association Meeting
Albuquerque, NM, Oct.10-13, 1988
The Ram Accelerator: A Chemically Driven Mass Launcher
P. Kaloupis, A. P. Bruckner
July 1988, AIAA-88-2968
High Velocity Modes of the Thermally Choked Ram Accelerator
A. P. Bruckner, C. Knowlen, K. Scott, A. Hertzberg
AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Ram Accelerator: Direct Launch System for Space Cargo
A. P. Bruckner, A. Hertzberg
38th Congress of International Astronautical Federation
October 1987, IAF-87-211
The RAM Accelerator and Its Applications: A New Approach for Reaching Ultrahigh
Velocities
C. Knowlen, A. Hertzberg, A.P. Bruckner, and D.W. Bogdanoff
Invited Paper, Shock Tubes and Waves
Proceedings 16th International Symposium on Shock Tubes and Waves, H. Grönig, ed., pp. 117-28, Aachen, FRG, July 26-31, 1987
A Computational Fluid Dynamics Code for the Investigation of Ramjet-in-Tube Concepts
D. W.
AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Performance Capabilities of the Ram Accelerator
C. Knowlen, A. P. Bruckner, D. W. Bogdanoff, A.
Hertzberg
June 1987, AIAA-87-2152
Investigation of Gasdynamic Phenomena Associated with the Ram Accelerator Concept
A.P. Bruckner, C. Knowlen, A. Hertzberg, D.W.
Bogdanoff
June 1987, AIAA-87-1327
Operation of the Ram Accelerator in the Transdetonative Velocity Regime
E. A. Burnham, A. Kull, C. Knowlen, A. P. Bruckner,
A. Hertzberg
AIAA-90-1985
Return to the top of this page
Theses and
Dissertations
Effects of Unsteady Flow and Real Gas Equations of
State on High Pressure Ram Accelerator Operation
C. Bundy
Ph.D. Dissertation, December 2001
Effects of Launch Tube
Gases on Starting of the Ram Accelerator
J. F. Stewart
MSAA Thesis, June 1997
The Subdetonative Ram Accelerator Starting Process
E. Schultz
MSAA Thesis, March 1997
Projectile Nose Heating in the Ram Accelerator
G. Chew
Ph.D. Dissertation, 1995
The Impact of Projectile Geometry on Ram Accelerator Performance
T. S. Imrich
MSAA Thesis, 1995
An Experimental and Numerical Investigation of the Three Dimensional Flow Field About a Ram Accelerator
J. B. Hinkey
Ph.D. Dissertation, March 1994
Investigation of Starting and Ignition Transients in the Thermally Choked Ram Accelerator
E. A. Burnham, Jr.
Ph.D. Dissertation, December 1993
Gas Dynamic Limits of the Ram Accelerator
A. J. Higgins
MSAA Thesis, 1993
A Feedback Controlled Gas Mixing System for the Ram Accelerator
M. Jardin
MSAA Thesis, 1992
A Numerical and Experimental Investigation of Ram Accelerator Mixture Transition Phenomena
J. A. de Turenne
MSAA Thesis, 1992
An Experimental and Theoretical Investigation of Single Stage Ram Accelerator Performance with Emphasis Towards Projectile Material Effects
B. Dunmire
MSAA Thesis, 1991
A Microsecond Response Thermocouple in the Ram Accelerator
R. J. McIntosh
MSAA Thesis, 1991
Preliminary Spectral Analysis of the Ram Accelerator
A. E. Prochko
MSAA Thesis, 1991
Theoretical and Experimental Investigation of the Thermodynamics of the Ram Accelerator in the Thermally Choked Mode
C. Knowlen
Ph.D. Dissertation, April 1991
Preliminary Investigations of Superdetonative and Transdetonative Ram Accelerator Propulsion Modes
A. Kull
Master of Engineering, 1990
An Unsteady Total Variational Diminishing Axisymmetric Numerical Model for the Ram Accelerator Subsonic Combustion Thermal Choking Propulsion Mode
P. Kaloupis
Master of Engineering, 1990
Atmospheric Transit of a Hypersonic Axisymmetric Spin Stabilized Vehicle
P. Kaloupis
MSAA Thesis, December 1989
A Magnetic Transducer Detection System for High Speed Projectiles in Tubes
E. C. Christofferson
MSAA Thesis, 1989
Numerical Simulation of Shock-Induced Combustion for Application to the Ram Accelerator Concept
S. Yungster
Ph.D. Dissertation, October 1989
Experimental Investigation of Ram Accelerator Concept using an Optical Probe
K. A. Scott
MSAA Thesis, 1988
Computational Investigation of Oblique Detonation Ramjet-in-Tube Concepts
D. C. Brackett
Master of Engineering, 1988
Experimental Investigation of the Ram Accelerator Principle: Instrumentation and Data Acquisition
I. L. Stonich
MSAA
Thesis, 1988
A Study of Sabot Deceleration behind an Aerodynamic Vehicle in a gas filled Tube
C. S. Engelbrecht
MSAA Thesis, 1986
A Computational Fluid Dynamical Code for the Investigation of Ram Accelerator Concepts
D. C. Brackett
MSAA Thesis, August 1986
A Numerical Analysis of Non-Steady Supersonic Duct Flows with Heat Addition
J. M. Zulauf
MSAA Thesis, 1985
Return to the top of this page
Workshop Presentations
High Velocity Experiments using Multi-stage Ram Accelerator
J. Elvander, C. Knowlen,
and A. P. Bruckner
RAMAC III: Third International Workshop on Ram Accelerators, Sendai, Japan , July 16-18, 1997
Facility Upgrade for High Pressure Ram Accelerator Experiments
C. Knowlen, and A. P. Bruckner
RAMAC
III: Third International Workshop on Ram Accelerators,
Real Gas Effects on Thermally Choked Ram Accelerator Performance
D. L. Buckwalter, C.
Knowlen, and A. P. Bruckner
RAMAC
III: Third International Workshop on Ram Accelerators,
Extended Abstract
Effects of Launch Tube Shock Dynamics on Initiation of Ram Accelerator Operation
J. Stewart, C. Knowlen,
and A. P. Bruckner
RAMAC
III: Third International Workshop on Ram Accelerators,
The Subdetonative Ram Accelerator Starting Process
E. Schultz, C. Knowlen,
and A. P. Bruckner
RAMAC
III: Third International Workshop on Ram Accelerators,
Ram Accelerator Operation with Hollow
Projectiles
C. Knowlen, A. Sasoh, A.P. Bruckner, and A.J. Higgins
RAMAC II - 2nd International Workshop on Ram Accelerators, University of Washington, Seattle, WA, July 17-20, 1995
Aerothermodynamic Limits of Ram Accelerator
Operation
C. Knowlen
RAMAC II - 2nd International Workshop on Ram Accelerators, University of Washington, Seattle, WA, July 17-20, 1995
Operational Limits of the Ram Accelerator
C. Knowlen, A.J. Higgins and A.P. Bruckner
Proceedings First International Workshop on Ram Accelerator
French-German Research Institute of Saint-Louis, France, September 7-10, 1993
Experimental Correlation of Ram Accelerator
Hugoniot Theory
C. Knowlen, A.P. Bruckner
Proceedings First International Workshop on Ram Accelerator
French-German Research Institute of Saint-Louis, France, September 7-10, 1993
Return to the top of this page
Technical
Reports
A Chemical Method for Achieving Acceleration of Macroparticles to Ultrahigh Velocities
A. Hertzberg, A. P. Bruckner, A.T. Mattick
1988, Final Report - UWAERP/15
Dept. of Energy Contract # DE-FG85ER13382
Investigation of the Aerothermodynamics of Hypervelocity Reacting Flows in the Ram Accelerator - Final Report 17 July 89 - 30 Apr 92
A. Hertzberg, A. P. Bruckner, A.T. Mattick, C.
Knowlen
December 1992
Report # NASA-CR-191715, NAS 1.26:191715
Contract # NAG3-1061
Investigation of High Velocity Ram Accelerator Propulsion
Modes
C. Knowlen, A. Hertzberg and A.P. Bruckner
December 4, 1992 ---------
August 31, 1993
Final Report, USAF
Contract No. F08635-89-C-0196
Eglin AFB, FL
Basic and Applied Studies of the Ram Accelerator as a
Hypervelocity Projectile Launcher:
Ram Accelerator Launched LEAP_ Interceptor
C. Knowlen, A.P. Bruckner
March 1, 1993 --------
December 10, 1993
Interim Report
AFOSR Grant No. F49620-92-J-0375
Bolling AFB, DC
Eglin AFB Ram Accelerator Research Device
R. P. Drabczuk (Capt.), D. M. Littrell, G. E.
Rolander, and R. D. Hudson
April 1994
Report # AD-B183 657; WL-TR-94-7005
Investigation of Advanced Propulsion Technologies: the Ram Accelerator and the Flowing Gas Radiation
Heater
C. Knowlen, A.P. Bruckner and A.T. Mattick
August 8, 1995.
Final Report
NASA Grant No. NAG 1-1288
NASA Langley Research Center, Hampton VA
Ram Accelerator Research Summary for Period 1996-1998
C. Knowlen, A.P. Bruckner
May 2, 1999
Summary Report
ARO Grant No. DAAL03-92-G-0100 and DAAG55-97-1-0131
ONR, Arlington, VA
Basic and Applied Studies of the Ram Accelerator as a High
Performance Launcher
C. Knowlen, A.P. Bruckner
June 28, 2001
Final Report
ARO Grant No. DAAG55-97-0131
U.S. Army Research Office, Research Triangle Pack, NC
Investigation of Rapid Pressurization Techniques for the Ram
Accelerator
C. Knowlen, A.P. Bruckner
October 13, 2003
Final Report
ONR Grant No. N00014-01-1-0991
ONR, Arlington, VA
Investigation of Aerothermal Protection Systems for
Hypersonic Projectiles
C. Knowlen, A.T. Mattick
February 2, 2006
Final Report
ONR STTR N05-T015 Phase I contract with Aspen Aerogel Inc.
Northborough, MA
Experimental Investigation of Shock Induced Combustion Ramjet
Propulsion
C. Knowlen
November 11, 2006
Final Report
Research Subcontract 1-UW-2005-SV, Reactive Energetics Inc.
Montreal, Quebec
Return to the top of this page
Ram Papers by Other
Researchers (list not comprehensive)
Calculations for Steady Propagation of a Generic Ram Accelerator Configuration
M. J. Grismer and J. M. Powers
Journal
of Propulsion and Power
Vol. 11, No. 1, January-February 1995, pages 105-111
Computation of Shock-Induced Combustion Using a Detailed Methane-Air Mechanism
S. Yungster and M. J. Rabinowitz
Journal
of Propulsion and Power
Vol. 10, No. 5, Sept-Oct 1994, pages 609-617
New Tube End Closure System for the Ram Accelerator
D. W. Bogdanoff
Journal
of Propulsion and Power
Vol. 10, No. 4, July-Aug 1994, pages 518-521
Detonation Structures on Ram Accelerator Projectiles
C. Li, K. Kailasanath, E. S. Oran
32nd Aerospace Sciences Meeting and Exhibit
January 10-13, 1994,
Numerical Simulation of Fluid Dynamics and Combustor for Ram Accelerator Projectile/Obturator Interaction - Final Report Jan-Dec 1992
M. J. Nusca
September 1993, Report # AD-A269715; ARL-TR-198
Bow Shock Wave Heating and Ablation of a Sharp Nosed Projectile Flying at Supersonic Velocity Inside of a Ram Accelerator
F. Seiler, K. W. Naumann
19th International Symposium on Shock Waves
Analysis of Transient Flows in Thermally Choked Ram Accelerators
C. Li, K. Kailasanath, E. S. Oran, A. M. Landsberg,
and J. P. Boris
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference
June 28-30, 1993,
Numerical Simulations of the Superdetonative Ram Accelerator Combusting Flow Field
M. Soetrisno, S. T. Imlay, D. W. Roberts
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference and Exhibit
June 28-30, 1993,
Heating and Ablation of Projectiles During Acceleration in a Ram Accelerator Tube
K. W. Naumann
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference
June 28-30, 1993,
Analysis and Demonstration of a Scramaccelerator System
J. W. Humphrey, T. H. Sobota
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference
June 28-30, 1993,
Numerical Simulation of Fluid Dynamics with Finite- Rate and Equilibrium Combustion Kinetics for the 120mm Ram Accelerator
M. J. Nusca
AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conference
June 28-30, 1993,
Effects of Boundary Layers on Oblique-Detonation Structures
C. Li, K. Kailasanath, E. S. Oran
31st Aerospace Sciences Meeting and Exhibit
January 11-14, 1993,
Experimental Demonstration of a 120-mm Ram Accelerator
D. Kruczynski
29th JANNAF Combustion Subcommittee
NASA Langely
October 19-23, 1992
Ram Accelerator Studies in 90 mm Calibre
M. Giraud, J-F. Legendre, Simon
43rd Meeting of Aeroballistic Range
Association,
Sept 28 - Oct 2, 1992
Mixing and Combustion Effects in a Sliding-Wedge Ram Accelerator with Hydrogen Injection
R. Ramakrishnan, D. J. Singh
28th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
July 6-8, 1992,
Numerical Simulations of the Transdetonative Ram Accelerator Combusting Flow Field - Parallel Computer
M. Soetrisno, S. T. Imlay, and D.W. Roberts
28th AIAA/SAE/ASME/ASEE Joint Propulsion Conference
July 6-8, 1992,
Progress toward the Development of Transient Ram Accelerator Simulation as Part of the USAF Armament Directorate Research Program
N. Sinha, B. J. York, S. M. Dash, R. Drabczuk, and
G.E. Rolander
28th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
July 6-8, 1992,
Ram Accelerator in 90 mm calibre. First Results Concerning Scale Effects in the Thermally Choked Propulsion Mode
M. Giraud, J-F Legendre, Simon, Catoire
13th International Symposium on Ballistics
Ram Accelerator Direct Space Launch System: New Concepts
D. W. Bogdanoff
Journal
of Propulsion and Power
Vol. 8, No. 2, March-April 1992, pages 481-490
Approximate Solutions for Oblique Detonations in the Hypersonic Limit
J. M. Powers, D. S. Stewart
AIAA
Journal
Vol. 30, No. 3, March 1992, pages 726-736
Hypersonic Propulsion Considerations for a Flying Testbed
R. Schaber, R. R. Schwab and N. H. Voss
27th AIAA/SAE/ASME/ASEE Joint Propulsion Conference
June 24-26, 1991,
Numerical Simulation of Reacting Flow in a Thermally Choked RAM Accelerator Projectile Launch System
M. Nusca
27th AIAA/SAE/ASME/ASEE Joint Propulsion Conference
June 24-26, 1991,
Analysis of RAM Acceleration for High Velocity Applications
D. Kruczynski
27th AIAA/SAE/ASME/ASEE Joint Propulsion Conference
June 24-26, 1991,
An Advanced Hypervelocity Aerophysics Facility: A Ground-Based Flight-Test Range
R. Witcofski, W. Scallion, D. Carter, Jr., and R.
Courter
29th Aerospace Sciences Meeting
January 7-10, 1991,
Return to the top of this page