Additive-promoted hypergolic ignition of ionic liquid with hydrogen peroxide

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dc.contributor.authorBhosale, Vikas K.ko
dc.contributor.authorJeong, Junyeongko
dc.contributor.authorChoi, Jonghoonko
dc.contributor.authorChurchill, David G.ko
dc.contributor.authorLee, Yunhoko
dc.contributor.authorKwon, Sejinko
dc.date.accessioned2020-05-06T09:20:24Z-
dc.date.available2020-05-06T09:20:24Z-
dc.date.created2020-04-27-
dc.date.created2020-04-27-
dc.date.issued2020-04-
dc.identifier.citationCOMBUSTION AND FLAME, v.214, pp.426 - 436-
dc.identifier.issn0010-2180-
dc.identifier.urihttp://hdl.handle.net/10203/274115-
dc.description.abstractThe exploration of environmentally friendly hypergolic combinations of ionic liquid fuels and hydrogen peroxide as an oxidizer offers opportunities to replace commonly used conventional toxic, corrosive and carcinogenic hydrazine-based liquid hypergolic combinations. Various research opportunities await regarding the detailed investigations of green hypergolic ionic liquids (HILs) with rocket grade hydrogen peroxide (RGHP, >85% H2O2). In this work, the combustion of HILs 1-ethyl-3-methyl imidazolium cyanoborohydride ([EMIM][BH3CN]) and 1-allyl-3-ethyl imidazolium cyanoborohydride ([AEIM][BH3CN]), and HIL-additive mixtures with 95% H2O2 has been investigated. A new additive, 1,3-dimethyl imidazolium copper iodide ([diMIM](n)[Cu2I3](n)) was synthesized successfully; a structural investigation was performed through the use of single-crystal x-ray diffraction analysis through which a crystal density of 3.22 g/cm(3) was revealed. The physicochemical properties (density, viscosity, and decomposition temperature) as well as performance parameters (ignition delay and specific impulse) of 2 to 15 wt% of [diMIM](n)[Cu2I3](n) in [EMIM][BH3CN] were determined. A 15 wt% of [diMIM](n)[Cu2I3](n) exhibited ignition delay time (IDT) values of 13 and 29 ms under fuel-rich and oxidizer-rich conditions, respectively; these IDT values are 100 times lower than those for [EMIM][BH3CN]. Interestingly, [diMIM](n)[Cu2I3](n)-[EMIM][BH3CN] combinations revealed high density (>0.98 g/cm(3)), good thermal (>200 degrees C) and chemical stability, and 5.6-6.0% higher density specific impulse than those found for unsymmetrical dimethyl hydrazine. The additive-promoted hypergolic combustion of HIL with RGHP opens a new avenue to the replacement of conventional toxic hypergolic combinations.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE INC-
dc.titleAdditive-promoted hypergolic ignition of ionic liquid with hydrogen peroxide-
dc.typeArticle-
dc.identifier.wosid000524457200038-
dc.identifier.scopusid2-s2.0-85078749067-
dc.type.rimsART-
dc.citation.volume214-
dc.citation.beginningpage426-
dc.citation.endingpage436-
dc.citation.publicationnameCOMBUSTION AND FLAME-
dc.identifier.doi10.1016/j.combustflame.2020.01.013-
dc.contributor.localauthorChurchill, David G.-
dc.contributor.localauthorLee, Yunho-
dc.contributor.localauthorKwon, Sejin-
dc.contributor.nonIdAuthorBhosale, Vikas K.-
dc.contributor.nonIdAuthorJeong, Junyeong-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorIonic liquid-
dc.subject.keywordAuthorHypergolic fuel-
dc.subject.keywordAuthorGreen fuel-
dc.subject.keywordAuthorBipropellant-
dc.subject.keywordPlusSODIUM-BOROHYDRIDE-
dc.subject.keywordPlusFUELS-
dc.subject.keywordPlusPROPULSION-
dc.subject.keywordPlusTOXICITY-
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CH-Journal Papers(저널논문)AE-Journal Papers(저널논문)
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