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Ignition Characteristic of Low-toxic Hypergolic Propellant According to Fuel Properties
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연료 물성에 따른 저독성 접촉점화 추진제의 점화 특성

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Type
Academic journal
Author
Chungman Kim (Hanbat National University) Hongjae Kang (Korea Institute of Machinery and Materials) Kyounghwan Lee (Korea Research Institute for defense Technology planning and advancement) Jongkwang Lee (Hanbat National University)
Journal
The Korean Society for Aeronautical & Space Sciences Journal of the Korean Society for Aeronautical & Space Sciences Vol.52 No.2 KCI Excellent Accredited Journal SCOPUS
Published
2024.2
Pages
131 - 137 (7page)
DOI
10.5139/JKSAS.2024.52.2.131

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Ignition Characteristic of Low-toxic Hypergolic Propellant According to Fuel Properties
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Abstract· Keywords

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The ignition performance of hypergolic propellant is judged by ignition delay. Ignition performance could be evaluated through a drop test and a impinging jet test. The impinging get test is a method that induces a rapid chemical reaction through mixing and atomization of propellant by impinging propellant column. Physical properties of propellant affect the propellant column injected into the injector, so that the ignition performance could be changed by physical properties of propellant. In this paper, We were performed a drop test and a impinging jet test by using fuel with large differenced viscosity and vapor pressure. High-viscosity fuel had improved ignition performance with momentum, while Low-viscosity fuel with high vapor pressure had sporadic ignition phenomena and short ignition delay regardless of the momentum.

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