A technique for promoting detonation transmission from a confined tube into larger area for pulse detonation engine applications

Mehrjoo, Navid; Portaro, Rocco; Ng, Hoi Dick

doi:10.1016/j.jppr.2014.01.003

Cited by 11 publications

(3 citation statements)

References 14 publications

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“…The second aspect is to develop potential detonation-based propulsion systems and harnesses their high propulsive efficiency. Examples include pulse detonation engines [5][6][7][8], rotating detonation engines [9][10][11] and oblique detonation wave engines [12][13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Experimental study of detonation limits in methane-oxygen mixtures: Determining tube scale and initial pressure effects

Zhang

Liu

Yan

et al. 2020

Fuel

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Section: Introductionmentioning

confidence: 99%

Experimental study of detonation limits in methane-oxygen mixtures: Determining tube scale and initial pressure effects

Zhang

Liu

Yan

et al. 2020

Fuel

Self Cite

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“…Fan et al [68] experimentally investigated on two-phase pulse detonation engine and their obtained results have demonstrated that the averaged thrust of PDE is approximately proportional to the volume of detonation chamber and detonation frequency. The effects of small perturbations with varying blockage ratio on the critical tube diameter problems are investigated by Mehrjoo et al [69]. They found that optimal blockage ratio is approximately 8% to 10% and suggested that it can be useful for design application of pulse detonation engines propulsion and power system.…”

Section: Reviews On Experimental Analysismentioning

confidence: 99%

Review on Recent Advances in Pulse Detonation Engines

Pandey

Debnath

2016

Journal of Combustion

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Pulse detonation engines (PDEs) are new exciting propulsion technologies for future propulsion applications. The operating cycles of PDE consist of fuel-air mixture, combustion, blowdown, and purging. The combustion process in pulse detonation engine is the most important phenomenon as it produces reliable and repeatable detonation waves. The detonation wave initiation in detonation tube in practical system is a combination of multistage combustion phenomena. Detonation combustion causes rapid burning of fuel-air mixture, which is a thousand times faster than deflagration mode of combustion process. PDE utilizes repetitive detonation wave to produce propulsion thrust. In the present paper, detailed review of various experimental studies and computational analysis addressing the detonation mode of combustion in pulse detonation engines are discussed. The effect of different parameters on the improvement of propulsion performance of pulse detonation engine has been presented in detail in this research paper. It is observed that the design of detonation wave flow path in detonation tube, ejectors at exit section of detonation tube, and operating parameters such as Mach numbers are mainly responsible for improving the propulsion performance of PDE. In the present review work, further scope of research in this area has also been suggested.

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“…al. [8] studied different method of detonation techniques involves placing obstacles by experimentally. Detonation wave operate at a power level equal to the 20 m power received by the earth from sun [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of Blockage Ratio on Detonation Flame Acceleration in Pulse Detonation Combustor Using CFD

Debnath

Pandey

2014

AMM

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Detonation is the supersonic mode of combustion process which is essential for energy release from combustion process. Detonation is the more energetic process compare to deflagration mode of combustion process. The turbulence combustion flame cannot transit itself into detonation combustion process. So objective of this paper is to investigate the effect of obstacles configuration landed in detonation tube channel to propagate the detonation wave and diffraction encounters in an obstacles site. Four different cases of obstacles blockage ratio (BR) 0.4, 0.5, 0.6 and 0.7 were studied for detonation flame acceleration in detonation tube. A three dimensional computational simulation was done using unsteady green-gauss cell based solver for adopting the combustion simulation. As a result detonation flame propagation, detonation flame velocity and detonation flame pressure were increase in reducing blockage ratio from 0.7 to 0.4 and eddy viscosity of combustible mixture was increase with increasing the blockage ratio. From the analyzed four blockage ratio BR=0.4 is suitable for detonation mode of combustion and flame acceleration.

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A technique for promoting detonation transmission from a confined tube into larger area for pulse detonation engine applications

Cited by 11 publications

References 14 publications

Experimental study of detonation limits in methane-oxygen mixtures: Determining tube scale and initial pressure effects

Experimental study of detonation limits in methane-oxygen mixtures: Determining tube scale and initial pressure effects

Review on Recent Advances in Pulse Detonation Engines

Effect of Blockage Ratio on Detonation Flame Acceleration in Pulse Detonation Combustor Using CFD

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