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Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios

Zhaoxin Ren Orcid Logo, Yan Sun, Bing Wang

Flow, Turbulence and Combustion, Volume: 110, Issue: 3, Pages: 735 - 753

Swansea University Author: Zhaoxin Ren Orcid Logo

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DOI (Published version): 10.1007/s10494-022-00393-z

Abstract

Rotating detonation engine (RDE) with pressure gain is innovative for propulsion. To evaluate the RDE using liquid fuel, the rotating detonation wave (RDW) with kerosene droplets is numerically studied. The Eulerian–Lagrangian two-phase flow model is applied to predict the propagation features of th...

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Published in: Flow, Turbulence and Combustion
ISSN: 1386-6184 1573-1987
Published: Springer Science and Business Media LLC 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62234
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spelling v2 62234 2023-01-03 Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios 62a1a0da0fa78e05c3deafcdee5551ce 0000-0002-6305-9515 Zhaoxin Ren Zhaoxin Ren true false 2023-01-03 ACEM Rotating detonation engine (RDE) with pressure gain is innovative for propulsion. To evaluate the RDE using liquid fuel, the rotating detonation wave (RDW) with kerosene droplets is numerically studied. The Eulerian–Lagrangian two-phase flow model is applied to predict the propagation features of the RDW and the quenching phenomenon. A hybrid WENO scheme is used to capture the shock/detonation wave and a reduced reaction model is applied. This research analyzes the influence of the equivalence ratio on the dynamics of propagation and quenching of RDW by applying comparative simulations with liquid kerosene and pre-evaporated kerosene. The focus is fixed on the stable operation limits as a function of the equivalence ratio. The results under the present conditions show that the RDWs formed in the two-phase mixtures have a narrower stable propagation regime of the equivalence ratio than that of the RDWs fueled with pre-evaporated kerosene. The difference between the gaseous and two-phase RDWs becomes obvious under the fuel-rich conditions, and the RDW is strengthened in the gaseous flow but is weakened in the two-phase mixture. The change of the kerosene fuel from vapours to droplets results in a bifurcated wave structure near the inlet due to the interactions among droplets, shock waves, and flame. For the quenching mechanism, the fuel-lean quenching is from the lack of reactive mixtures from the droplet evaporation near the inlet, and the fuel-rich quenching is attributed to the absence of the transverse waves from the triple point. The comparative study shows that the fuel-rich injection is more suitable to generate stable RDWs within the present initial conditions. Journal Article Flow, Turbulence and Combustion 110 3 735 753 Springer Science and Business Media LLC 1386-6184 1573-1987 Rotating detonation wave; Two-phase; Equivalence ratio; Propagation; Quenching 1 3 2023 2023-03-01 10.1007/s10494-022-00393-z http://dx.doi.org/10.1007/s10494-022-00393-z COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University This work is partially supported by start-up funding from Swansea University. 2024-07-25T15:48:26.6982435 2023-01-03T09:38:41.7603658 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Zhaoxin Ren 0000-0002-6305-9515 1 Yan Sun 2 Bing Wang 3 62234__26463__99ccb7f19faf402b9557dd7c1566a7d6.pdf 62234.pdf 2023-02-03T12:57:49.4086956 Output 4960791 application/pdf Accepted Manuscript true 2023-12-26T00:00:00.0000000 true eng
title Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
spellingShingle Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
Zhaoxin Ren
title_short Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
title_full Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
title_fullStr Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
title_full_unstemmed Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
title_sort Propagation Behaviors of the Rotating Detonation Wave in Kerosene–Air Two-Phase Mixtures with Wide Equivalence Ratios
author_id_str_mv 62a1a0da0fa78e05c3deafcdee5551ce
author_id_fullname_str_mv 62a1a0da0fa78e05c3deafcdee5551ce_***_Zhaoxin Ren
author Zhaoxin Ren
author2 Zhaoxin Ren
Yan Sun
Bing Wang
format Journal article
container_title Flow, Turbulence and Combustion
container_volume 110
container_issue 3
container_start_page 735
publishDate 2023
institution Swansea University
issn 1386-6184
1573-1987
doi_str_mv 10.1007/s10494-022-00393-z
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
url http://dx.doi.org/10.1007/s10494-022-00393-z
document_store_str 1
active_str 0
description Rotating detonation engine (RDE) with pressure gain is innovative for propulsion. To evaluate the RDE using liquid fuel, the rotating detonation wave (RDW) with kerosene droplets is numerically studied. The Eulerian–Lagrangian two-phase flow model is applied to predict the propagation features of the RDW and the quenching phenomenon. A hybrid WENO scheme is used to capture the shock/detonation wave and a reduced reaction model is applied. This research analyzes the influence of the equivalence ratio on the dynamics of propagation and quenching of RDW by applying comparative simulations with liquid kerosene and pre-evaporated kerosene. The focus is fixed on the stable operation limits as a function of the equivalence ratio. The results under the present conditions show that the RDWs formed in the two-phase mixtures have a narrower stable propagation regime of the equivalence ratio than that of the RDWs fueled with pre-evaporated kerosene. The difference between the gaseous and two-phase RDWs becomes obvious under the fuel-rich conditions, and the RDW is strengthened in the gaseous flow but is weakened in the two-phase mixture. The change of the kerosene fuel from vapours to droplets results in a bifurcated wave structure near the inlet due to the interactions among droplets, shock waves, and flame. For the quenching mechanism, the fuel-lean quenching is from the lack of reactive mixtures from the droplet evaporation near the inlet, and the fuel-rich quenching is attributed to the absence of the transverse waves from the triple point. The comparative study shows that the fuel-rich injection is more suitable to generate stable RDWs within the present initial conditions.
published_date 2023-03-01T15:48:25Z
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