Experimental Studies of Combustion Processes in a Tubular Combustor with Fuel Addition Along the Wall

Schadow, K. C.; Cordes, Herman F.; Chieze, D. J.

doi:10.1080/00102207808946863

Cited by 18 publications

(1 citation statement)

References 3 publications

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“…Netzer 1 developed a numerical procedure and qualitatively studied the influence of the combustor geometry and inlet flow condition on the reacting flow characteristics within the SFRJ combustion chamber. Schadow et al 2 experimentally studied the effect of air mass flow rate on the combustion efficiency and showed that the mixing and soot particle combustion are important processes there. Metochianakis and Netzer 3 numerically analyzed the effect of radiation on the fuel regression rate in SFRJs and also improved the dependence of the regression rate on the chamber pressure and inlet air mass flow rate.…”

Section: Introductionmentioning

confidence: 99%

Burning rate augmentation in solid fuel ramjets by swirling inlet air stream

Tahsini

2021

Proceedings of the Institution of Mechanical Engineers, Part G:

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The influence of the inlet swirling flow on the regression rate of the fuel in the combustion chamber of the solid fuel ramjet is investigated in this study using numerical simulations. The finite-volume solver of the compressible turbulent reacting flow is developed to study the flow field where the burning rate is computed using the conjugate heat transfer method for the solid fuel. The correlation is found for the maximum regression rate versus an imposed inlet swirl when the linear distribution of the circumferential velocity is applied at the inlet stream. Although the regression rate augmentation is considerable due to the swirling flow field in the combustor, it is shown that the swirl is effective if is applied near the shear layer of the backstep flow in the combustor. The modified swirler with short blades is suggested to be used in solid fuel ramjets to increase the regression rate of the fuel and improve the performance, but with lower pressure loss.

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Section: Introductionmentioning

confidence: 99%

Burning rate augmentation in solid fuel ramjets by swirling inlet air stream

Tahsini

2021

Proceedings of the Institution of Mechanical Engineers, Part G:

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Konzentrations‐ und Temperaturprofile in einer Brennkammer mit Stoffzufuhr aus der Wand

Pein¹,

Schulte²,

Högl³

1986

Chemie Ingenieur Technik

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Boron carbide combustion in solid‐fuel ramjets using bypass air. Part I : Experimental investigation

Natan

Netzer

1996

Propellants Explo Pyrotec

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The effects of bypass air on the combustion of highly loaded boron carbide/HTPB fuel grains in a solid‐fuel ramjet motor were investigated experimentally. It was found that combustion efficiency can be significantly increased by employing high bypass rations with low dump momentum. The results indicated that high bypass dump momentum causes the particles to collide with the wall and extinguish. Increasing pressure increased efficiency, apparently through the resulting increased residence time. Increased overall equivalence ratio (grain length) also was found to be beneficial, the result of a smaller percentage of larger particles which are generated in the recirculation zone. Some of the reduction in combustion efficiency was determined to be due to incomplete combustion of the HTPB rather than just to the incomplete burning of the boron carbide particles.

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Experimental Studies of Combustion Processes in a Tubular Combustor with Fuel Addition Along the Wall

Cited by 18 publications

References 3 publications

Burning rate augmentation in solid fuel ramjets by swirling inlet air stream

Burning rate augmentation in solid fuel ramjets by swirling inlet air stream

Konzentrations‐ und Temperaturprofile in einer Brennkammer mit Stoffzufuhr aus der Wand

Boron carbide combustion in solid‐fuel ramjets using bypass air. Part I : Experimental investigation

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