Realization of methane-air continuous rotating detonation wave

Abstract Methane-air Continuous Rotating Detonation (CRD) has been firstly achieved in this paper in the hollow chamber with a Laval nozzle, and the diameter of the chamber is just 100 mm. The contraction ratio of the Laval nozzle is a key factor for the CRD realization. CRD can only be obtained when the contraction ratio is no less than 4, but its ER operating range decreases in the increase of contraction ratio from 4 to 10. For all the success cases, the average propagation frequency and velocity are in the ranges of 5.32–5.65 kHz and 1670.48–1774.10 m/s, respectively, and the velocity deficits are less than 10%. Based on the high-speed photography images, the approach of chemiluminescence intensity integral is proposed in this paper, and the propagation characteristics of the flame are analyzed quantitatively. The propagation velocities of the flame and shock wave are agreed well with each other, indicating that the typical feature of detonation wave, i.e., the coupling of the flame and the shock wave, is verified quantitatively.

[1]  Shijie Liu,et al.  Experimental investigations on H2/air rotating detonation wave in the hollow chamber with Laval nozzle , 2017 .

[2]  Akira Kawasaki,et al.  Critical condition of inner cylinder radius for sustaining rotating detonation waves in rotating detonation engine thruster , 2019, Proceedings of the Combustion Institute.

[3]  Joshua R. Codoni,et al.  Investigation of the structure of detonation waves in a non-premixed hydrogen–air rotating detonation engine using mid-infrared imaging , 2019, Proceedings of the Combustion Institute.

[4]  Luca Massa,et al.  Rotating detonation wave propulsion: Experimental challenges, modeling, and engine concepts , 2014 .

[5]  K. Kailasanath,et al.  The Rotating-Detonation-Wave Engine Concept: A Brief Status report , 2011 .

[6]  Zhiyong Lin,et al.  Free Jet Test of Continuous Rotating Detonation Ramjet Engine , 2017 .

[7]  A. Teodorczyk,et al.  Detonations in hydrogen-methane-air mixtures in semi confined flat channels , 2016 .

[8]  Daniel R. Richardson,et al.  Evaluation of Mixing Processes in a Non-Premixed Rotating Detonation Engine Using Acetone PLIF , 2016 .

[9]  S. A. Zhdan,et al.  Continuous Spin Detonations , 2006 .

[10]  S. A. Zhdan,et al.  Continuous spin detonation of fuel-air mixtures , 2006 .

[11]  H. Colón-Mercado,et al.  Development and testing of a PEM SO2-depolarized electrolyzer and an operating method that prevents sulfur accumulation , 2015 .

[12]  John Hoke,et al.  Chemiluminescence imaging of an optically accessible non-premixed rotating detonation engine , 2017 .

[13]  N. Tsuboi,et al.  Study on Behavior of Methane/Oxygen Gas Detonation Near Propagation Limit in Small Diameter Tube: Effect of Tube Diameter , 2016 .

[14]  I. O. Shamshin,et al.  Continuous detonation combustion of ternary “hydrogen–liquid propane–air” mixture in annular combustor , 2017 .

[15]  R. Zipf,et al.  Deflagration-to-detonation transition in natural gas–air mixtures , 2014 .

[16]  Frank K. Lu,et al.  Low-Order Parametric Analysis of a Rotating Detonation Engine in Rocket Mode , 2017 .

[17]  B. Moghtaderi,et al.  Deflagration of premixed methane–air in a large scale detonation tube , 2017 .

[18]  Qi Zhang,et al.  Comparison of explosion characteristics between hydrogen/air and methane/air at the stoichiometric concentrations , 2015 .

[19]  V. A. Nerchenko,et al.  Fluid mechanics of pulse detonation thrusters , 2012 .

[20]  V. V. Tyurenkova,et al.  Three-dimensional modeling of rotating detonation in a ramjet engine , 2019, Acta Astronautica.

[21]  Chao Wang,et al.  A non-premixed rotating detonation engine using ethylene and air , 2018, Applied Thermal Engineering.

[22]  Jian Sun,et al.  Numerical investigation of a rotating detonation engine under premixed/non-premixed conditions , 2018, Acta Astronautica.

[23]  Zhiyong Lin,et al.  Experimental Realization of H2/Air Continuous Rotating Detonation in a Cylindrical Combustor , 2012 .

[24]  Weidong Liu,et al.  Experimental and three-dimensional numerical investigations on H2/air continuous rotating detonation wave , 2013 .

[25]  S. A. Zhdan,et al.  Continuous spin detonation of poorly detonable fuel-air mixtures in annular combustors , 2017 .

[26]  John H. S. Lee,et al.  Near limit behavior of the detonation velocity , 2013 .

[27]  Zhiyong Lin,et al.  Experimental study on propagation mode of H2/Air continuously rotating detonation wave , 2015 .

[28]  Bo Zhang,et al.  Methods to predict the critical energy of direct detonation initiation in gaseous hydrocarbon fuels – An overview , 2014 .

[29]  Jian Sun,et al.  Effects of air injection throat width on a non-premixed rotating detonation engine , 2019, Acta Astronautica.

[30]  Shijie Liu,et al.  Experimental investigations on ethylene-air Continuous Rotating Detonation wave in the hollow chamber with Laval nozzle , 2018, Acta Astronautica.

[31]  E. Gutmark,et al.  Shock-Initiated Combustion in an Airbreathing, Pulse Detonation Engine-Crossover System , 2016 .

[32]  John Hoke,et al.  Experimentation of Premixed Rotating Detonation Engine Using Variable Slot Feed Plenum , 2017 .

[33]  E. V. Mikhalchenko,et al.  Rotating detonation in a ramjet engine three-dimensional modeling , 2018, Aerospace Science and Technology.

[34]  R. Knystautas,et al.  Criteria for transition to detonation in tubes , 1988 .

[35]  Jan Kindracki,et al.  Experimental research on rotating detonation in liquid fuel–gaseous air mixtures , 2015 .

[36]  Shijie Liu,et al.  Ethylene Continuous Rotating Detonation in optically accessible racetrack-like combustor , 2018, Combustion Science and Technology.

[37]  Zhiyong Lin,et al.  Experimental Research on the Propagation Characteristics of Continuous Rotating Detonation Wave Near the Operating Boundary , 2015 .

[38]  Xiaodong Cai,et al.  Numerical Study on Thermodynamic Efficiency and Stability of Oblique Detonation Waves , 2018, AIAA Journal.

[39]  Ephraim Gutmark,et al.  Rotating detonation wave mechanics through ethylene-air mixtures in hollow combustors, and implications to high frequency combustion instabilities , 2018 .

[40]  Nickolay Smirnov,et al.  Detonation engine fed by acetylene–oxygen mixture , 2014 .

[41]  Jin Zhou,et al.  An experimental study on CH4/O2 continuously rotating detonation wave in a hollow combustion chamber , 2015 .

[42]  Lei Yan,et al.  Velocity fluctuation analysis near detonation propagation limits for stoichiometric methane–hydrogen–oxygen mixture , 2016 .

[43]  Shijie Liu,et al.  Effects of inner cylinder length on H2/air rotating detonation , 2016 .