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REST Scramjet Inlet/Engine Development

Artist Depiction of X-43

 

REST stands for Rectangular-to-Elliptical Shape Transition.


REST installed in the AHSTF

Electro-formed nickel REST inlet model installed in the AHSTF
for Mach 6 tests.


M4BDF SLA REST model

SLA REST inlet model prior to installation in the M4BDF for Mach 4 testing
.
   

REST Engine Model

Copper REST engine model prior to any testing.

REST Engine Model Installed in CHSTF

REST engine model installed in the CHSTF prior to commencement of testing.

 

Related Publications

Design of Three-Dimensional Hypersonic Inlets with Rectangular-to-Elliptical Shape Transition, M. K. Smart, AIAA Journal of Power and Propulsion, Volume 15, Number 3, pp 408-416, May-June 1999. (PDF - 360KB)

Experimental Testing of a Hypersonic Inlet with Rectangular-to-Elliptical Shape Transition, M. K. Smart, AIAA 99-0085 and AIAA Journal of Power and Propulsion, Volume 17, Number 2, pp 276-283, March-April 2001. (PDF-560KB)

Computational Investigation of the Performance and Back-Pressure Limits of a Hypersonic Inlet, M. K. Smart and J.A. White, AIAA 2002-0508, 40th AIAA Aerospace Sciences Meeting and Exhibit, January 14-17, 2002, Reno, Nevada. (PDF- 12MB)

Mach 4 Performance of Hypersonic Inlet with Rectangular-to-Elliptical Shape Transition, M. K. Smart and C. A. Trexler, AIAA Journal of Power and Propulsion, Vol. 20, No. 2, pp. 288-293, March–April 2004 (PDF-1.6MB)

Free-jet Testing of a REST Scramjet at Off-Design Conditions, M. K. Smart and E. G. Ruf, AIAA 2006-2955, 25th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, June 5 - 8, 2006, San Francisco, California. (PDF- 5.5MB)

Free-jet Testing of a REST Scramjet at Off-Design Conditions, E. G. Ruf, JANNAF 41st Combustion, 29th Airbreathing Propulsion, 23rd Propulsion Systems Hazards Joint Subcommittee Meeting, December 4-8, 2006 San Diego, CA.

CFD Analysis of a Rectangular-to-Elliptical Shape Transition Engine Flowpath, R. A. Baurle, JANNAF 41st Combustion, 29th Airbreathing Propulsion, 23rd Propulsion Systems Hazards Joint Subcommittee Meeting, December 4-8, 2006 San Diego, CA.

Performance Analysis of the REST Engine Operating at a Nominal Simulated-Flight Mach-5.3 Condition, A. H. Auslender, JANNAF 41st Combustion, 29th Airbreathing Propulsion, 23rd Propulsion Systems Hazards Joint Subcommittee Meeting, December 4-8, 2006 San Diego, CA.

Parametric Geometry, Structured Grid Generation, and Initial Design Study for REST-Class Hypersonic Inlets , P. G. Ferlemann and R. J. Gollan, JANNAF 43rd Combustion, 31st Airbreathing Propulsion, 25th Propulsion Systems Hazards Joint Subcommittee Meeting, 7-11 Dec. 2009, La Jolla, CA, United States. (PDF - 4.37MB; Presentation: PDF - 4.82MB)

Design of Modular, Shape-transitioning Inlets for a Conical Hypersonic Vehicle , R. J. Gollan and M. K. Smart, AIAA Paper 2010-940, 48th AIAA Aerospace Sciences Meeting, 4-7 Jan. 2010, Orlando, FL, United States . (Paper: PDF - 885KB)

Investigation of REST-class Hypersonic Inlet Designs, R. J. Gollan and P.G. Ferlemann, AIAA-2011-2254, 17th AIAA International Space Planes and Hypersonic Systems and Technologies Conference April 11-14, 2011, San Francisco, CA . (Paper: PDF - 1.5MB)
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