Applied hybrid combustion theory

Muzzy, R. J.

doi:10.2514/6.1972-1143

Cited by 34 publications

(17 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, all the experimental regression laws present the same behavior with one part nearly linear and another where the regression rate is almost constant. The existence of this regression rate limit was supposed by Muzzy [12] and Chiaverini [3] for classical polymeric fuels (Fig. 11).…”

Section: Resultsmentioning

confidence: 96%

“…The experimental results obtained on this facility were used to fit Sawant's empirical correlation (Eq. (12)) in order to fit the numerical regression rates with the experimental data. The empirical correlation, developed for precised gaseous-liquid couple, was thus adjusted to the liquefying fuel used during this study and the new correlation (Eq.…”

Section: Experimental Validation Of the Hydres Numerical Codementioning

confidence: 99%

See 1 more Smart Citation

Liquefying fuel regression rate modeling in hybrid propulsion

Lestrade

Anthoine

Lavergne

2015

Aerospace Science and Technology

View full text Add to dashboard Cite

Section: Resultsmentioning

confidence: 96%

Section: Experimental Validation Of the Hydres Numerical Codementioning

confidence: 99%

Liquefying fuel regression rate modeling in hybrid propulsion

Lestrade

Anthoine

Lavergne

2015

Aerospace Science and Technology

View full text Add to dashboard Cite

“…These estimated values of the parameters should be treated as indicative only. [28]; instead they were calculated using data published in those papers.…”

Section: Introductionmentioning

confidence: 99%

Hybrid rocket propulsion systems for outer planet exploration missions

2016

View full text Add to dashboard Cite

“…Marxman and Gilbert [3] consider that the optimal position of the flame should be in the top of the fuel surface, and the regression rate is the minimum in the turbulence layer of about 10-20%. Muzzy [4] also verify that the heat convection effect is very important in fuel consumption. Smoot and Price [5] indicated the fuel regression ratio is proportional to the oxidizer flow rate in 0.8 order in lower oxidizer flow rate.…”

Section: Introductionmentioning

confidence: 99%

Observation of solid fuel in a supersonic flowfield

Char¹,

Hsu²

2007

WIT Transactions on Modelling and Simulation, Vol 46

View full text Add to dashboard Cite

Hypersonic vehicles will be the new-generation of aerial transport. Hence, supersonic combustor design becomes important. Many investigations have been conducted on this subject, however, they are focused on gaseous or liquid fuels combustor. The use of a solid fuel combustor can substantially decrease complexity and cost, so for certain purposes, solid fuel supersonic combustors show advantages over other fuel systems. This research adopts a shock tube, 16 meter long and with a bore of 9 cm to create a supersonic, high-temperature, and high-pressure flowfield to observe the gasification and ignition of HTPB solid fuel under different environments. Also, full-scale 3D numerical simulation is executed to enhance the comprehension of this complex phenomenon. The CFD code is based on the control volume method and the pre-conditioning method for solving the Navier-Stokes equations to simulate the compressible and incompressible coupling problem. In the tests, a HTPB slab is placed in the windowed-test section. Various test conditions generate different supersonic Mach numbers and environmental temperatures, meanwhile the HTPB slab changes its incident angles relative to the coming shock wave. Results show that when the Mach number around the slab section is beyond 1.25, the flowfield temperature can achieve above 1100K, which is higher than the HTPB gasification temperature (930K~1090K), then the gasification happens and a short-period ignition can be observed. In particular, as the slab angle is 7°, the phenomenon is more visible. This is due to the flowfield temperature increasing when the slab angle is at 7°. The comparison between test results and CFD simulation show good agreement, so the CFD results help the understanding and analysis of this complicated test event. Several pictures demonstrating the research results are shown below.

show abstract

Applied hybrid combustion theory

Cited by 34 publications

References 0 publications

Liquefying fuel regression rate modeling in hybrid propulsion

Liquefying fuel regression rate modeling in hybrid propulsion

Hybrid rocket propulsion systems for outer planet exploration missions

Observation of solid fuel in a supersonic flowfield

Contact Info

Product

Resources

About