Measurement of Scramjet Thrust in Shock Tunnels

Stalker, R. J., Simmons, J. M., Paull, A. and Mee, D. J. (1994). Measurement of Scramjet Thrust in Shock Tunnels. In: AIAA 18th Aerospace Ground Testing Conference, Colorado Springs, Colorado, USA, (). 20-23 June, 1994.

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Author Stalker, R. J.
Simmons, J. M.
Paull, A.
Mee, D. J.
Title of paper Measurement of Scramjet Thrust in Shock Tunnels
Conference name AIAA 18th Aerospace Ground Testing Conference
Conference location Colorado Springs, Colorado, USA
Conference dates 20-23 June, 1994
Publication Year 1994
Sub-type Fully published paper
Abstract/Summary By using results obtained in tests on supersonic combustion of hydrogen in air, the conditions governing model size and operating pressure levels for shock tunnel experiments on models of flight vehicles with scramjet propulsion are established. It is seen that large models are required. The development of the stress wave force balance is then described, and its use as a method of measuring thrust/drag on such models is discussed. Test results on a simple, fully integrated scramjet model, with intakes, combustion chambers, thrust surfaces and exterior surfaces, using a 13% silane 87% hydrogen fuel mixture, showed that a steady state with thrust generation could be achieved within the shock tunnel test time, and the thrust could be measured. Results are presented for a range of stagnation enthalpies, and show that the scramjet model produces net positive thrust at velocities up to 2.4 km/sec.
Subjects 290299 Aerospace Engineering not elsewhere classified
Keyword scramjet
force measurement
stress wave force balance
References Billig, F.S. "Research on Supersonic Combustion" J. Prop & Power, V9 pp499-514, Jul-Aug 1993. Anderson, G.Y, Bencze, D.P. & Sanders, B.W. "Ground tests confirm the promise of hypersonic propulsion" Aerospace America V25, No.9, pp38-42. Sept. 1987. Stalker, R.J. "Development of a Hypervelocity Wind Tunnel" Aeron. J. of Royal Aero Soc. V76, pp374-384. June 1972. Stalker, R.J. & Morgan. R.G. "Supersonic Hydrogen Combustion with a Short Thrust Nozzle" Comb. and Flame V57, pp55-70 July 1984. Paull, A. "Hypersonic Ignition and Thrust Production in a Scramjet" AIAA paper 93-2444. Presented at AIAA/SAE/ASME ASEE 29th Joint Propulsion Conference. Monterey, CA. June 28-30. 1993. Naumann, K.W., Ende, H., Mathieu, G. & George, A. "Millisecond Aerodynamic Force Measurement with Side-Jet Model in the ISL Shock Tunnel" AIAA Journal, V31, ppl068- 1074, June 1993. Sanderson, S.R. & Simmons, J.M. "Drag Balance for Hypervelocity Impulse Facilities" AIAA Journal, V29, pp2185-2191. Dec 1991. Simmons, J.M., Daniel, W.J., Mee, D.J. & Tuttle, S.L. "Force Measurement in Hypervelocity Impulse Facilities" in New Trends in Instrumentation for Hypersonic Research (ed. A. Boutier), Kluwer Academic Publishers, Amsterdam 1993, pp285-294. Porter, L.M., Mee, D.J. & Simmons, J.M. "Measuring the effect on Drag Produced by Nose Bluntness on a Cone in Hypervelocity Flow" Proc. llth Australasian Fluid Mechanics Conference(ed. M. Davis and G. Walker), Univ. of Tasmania, Hobart, Australia, 14-18 Dec, 1992, pp287-290.
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown
Additional Notes Paper number AIAA-94-2516

Document type: Conference Paper
Collection: School of Mechanical & Mining Engineering Publications
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Created: Tue, 03 Jan 2006, 10:00:00 EST by David J Mee