LAPSE:2023.35906
Published Article
LAPSE:2023.35906
A Review on Flame Stabilization Technologies for UAV Engine Micro-Meso Scale Combustors: Progress and Challenges
Gurunadh Velidi, Chun Sang Yoo
May 26, 2023
Unmanned aerial vehicles (UAV)s have unique requirements that demand engines with high power-to-weight ratios, fuel efficiency, and reliability. As such, combustion engines used in UAVs are specialized to meet these requirements. There are several types of combustion engines used in UAVs, including reciprocating engines, turbine engines, and Wankel engines. Recent advancements in engine design, such as the use of ceramic materials and microscale combustion, have the potential to enhance engine performance and durability. This article explores the potential use of combustion-based engines, particularly microjet engines, as an alternative to electrically powered unmanned aerial vehicle (UAV) systems. It provides a review of recent developments in UAV engines and micro combustors, as well as studies on flame stabilization techniques aimed at enhancing engine performance. Heat recirculation methods have been proposed to minimize heat loss to the combustor walls. It has been demonstrated that employing both bluff-body stabilization and heat recirculation methods in narrow channels can significantly improve combustion efficiency. The combination of flame stabilization and heat recirculation methods has been observed to significantly improve the performance of micro and mesoscale combustors. As a result, these technologies hold great promise for enhancing the performance of UAV engines.
Keywords
bluff body, combustion efficiency, flame stabilization, micro channel combustion, micro combustors, premixed combustion, UAV combustor
Suggested Citation
Velidi G, Yoo CS. A Review on Flame Stabilization Technologies for UAV Engine Micro-Meso Scale Combustors: Progress and Challenges. (2023). LAPSE:2023.35906
Author Affiliations
Velidi G: Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea; Department of Aerospace Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India [ORCID]
Yoo CS: Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
Journal Name
Energies
Volume
16
Issue
9
First Page
3968
Year
2023
Publication Date
2023-05-08
Published Version
ISSN
1996-1073
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Original Submission
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PII: en16093968, Publication Type: Review
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LAPSE:2023.35906
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doi:10.3390/en16093968
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May 26, 2023
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May 26, 2023
 
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Calvin Tsay
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