A new experimental facility has been designed, built and calibrated to support research topics involving supersonic mixing and combustion and will be used to investigate: 1) molecular level mixing; 2) mixing-combustion coupling effects for gaseous and liquid fuels; and 3) atomization, droplet break-up, mixing, and combustion of high-energy/high-density slurry fuels in a supersonic airstream. The facility simulates flight enthalpies corresponding to altitudes between 26 and 36 km and flight Mach numbers up to 4.755. The major features of this facility are the geometric flexibility of the test section configuration, of the fuel injection, and of the experimental conditions, enabling the investigation of a broad range of topics. Parallel and transverse injection, independently controlled in four regions, is available. The construction of the test section is modular and the entrance Mach numbers can be varied between 1.6 and 3.6. An experimental program to define the test flow at the entrance of the facility’s test section is presented with emphasis on the test section entrance ture distribution and calibration. Selected research topics currently being investigated are summarized to highlight the usefulness of the present facility.

Issue Section:
Technical Papers
Topics:
Combustion, Supersonic flow, Fuels, Flight, Mach number, Calibration, Construction, Density, Drops, Flow (Dynamics), Slurries
1.
Ballal
D. R.
,
Lightman
A. J.
, and
Yaney
P. P.
,
1987
, “
Development of Test Facility and Optical Instrumentation for Turbulent Combustion Research
,”
Journal of Propulsion
, Vol.
3
, No.
2
, Mar.-Apr., pp.
97
–
104
.
2.
Ballal
D. R.
,
1988
, “
Combustion-Generated Turbulence in Practical Combustors
,”
Journal of Propulsion and Power
, Vol.
4
, No.
5
, Sept-Oct., pp.
385
–
390
.
3.
Bonghi, L., Dunlap, M. J., Owens, M. G., Young, C. D., and Segal, C., 1995, “Hydrogen Piloted Energy for Supersonic Combustion of Liquid Fuels,” AIAA Paper No. 95-0730, Jan.
4.
Brown, E. F., Huang, S. L., and Boris, J. P., 1992, “Three-Dimensional Effects in Jet-Flow Instabilities,” Division of Fluid Dynamics, 45th Annual Meeting, Nov.
5.
Diskin, G. S., and Northam, G. B., 1987, “Effects of Scale on Supersonic Combustion Performance,” AIAA Paper No. 87-2164, June.
6.
Flippen-Anderson, J. L., Gilardi, R., George, C., Marchand, A. P., Jin, P. W., and Deshpande, M. N., 1988, “Structure of a Novel C22 H24 Cage Dimer,” Acta Crystallographyca, Vol. C44.
7.
Mays, R. B., Thomas, R. H., and Schetz, J. A., 1989, “Low Angle Injection Into a Supersonic Flow,” AIAA Paper No. 89-2461, July.
8.
Papamoshcou
D.
, and
Roshko
A.
,
1988
, “
The Compressible Turbulent shear Layer: An Experimental Study
,”
Journal of Fluid Mechanics
, Vol.
197
, Dec., pp.
453
–
477
.
9.
Park, K. H., Schoppa, W., Metcalfe, R., and Hussain, F., 1992, “Reaction Zone Structure in 3-D Shear Layers,” Fifth ONR Propulsion Meeting, Sept.
10.
Pellett, G. L., Jentzen, M. E., Wilson, L. G., and Northam, G. B., 1988, “Effects of Water-Contaminated Air on Blowoff Limits of Opposed Jet Hydrogen-Air Diffusion flames,” AIAA Paper No. 88-3295.
11.
Roquemore, W. M., Tankin, R. S., Chiu, H. H., and Lottes, S. A., 1986, “A Study of a Bluff-body Combustor Using Laser Sheet Lighting,” Experiments in Fluids, No. 4, pp. 205–213.
12.
Samimy, M., Erwin, D. E., and Elliot, G. S., 1989, “Compressibility and Shock Wave Interaction Effects on Free Shear Layer,” AIAA Paper No. 89-2460, July.
13.
Segal, C., 1991, “Experimental and Numerical Investigation of Hydrogen Combustion in a Supersonic Flow,” Ph.D. dissertation, University of Virginia, Charlottesville, NC.
14.
Segal
C.
,
Krauss
R. H.
,
Whitehurst
R. B.
, and
McDaniel
J. C.
,
1995
, “
Mixing and Chemical Kinetics Interactions in a Mach 2 Reacting Flow
,”
Journal of Propulsion and Power
, Vol.
11
, No.
2
, Mar.-Apr., pp.
308
–
314
.
15.
Shau, Y. R., and Dolling, D. S., 1989, “Experimental Study of Spreading Rate Enhancement of High Mach Number Turbulent Shear layer,” AIAA Paper No. 89-2458, July.
16.
Smith, V. K., Keel, L. C., and Boudreau, A. H., 1987, “Ground Testing Facilities Requirements for Hypersonic Propulsion Development,” AIAA Paper No. 87-1884, June.
17.
Tillman
T. G.
,
Patrick
W. P.
, and
Paterson
R. W.
,
1991
, “
Enhanced Mixing of Supersonic Jets
,”
Journal of Propulsion and Power
, Vol.
7
, Nov-Dec., pp.
1006
–
1014
.
18.
Wood, C. W., Thomas, R. H., and Schetz, J. A., 1990, “Effects of Oscillating Shock Impingement on the Mixing of a Gaseous Jet in a March 3 Airstream,” AIAA Paper No. 90-1982, July.
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