Hypergolic ignition by head-on collision of N,N,N′,N′ −tetramethylethylenediamine and white fuming nitric acid droplets
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Grayscale-level analysis of shadowgraph images accurately quantifies ignition delay time with reduced uncertainty of less than 0.2 ms.
“Grayscale-level analysis 3,14 of the shadowgraph images was carried out to accurately quantify the ignition delay time (IDT) with reduced uncertainty (less than 0.2 ms), as shown in Figure 5b.”
From Droplet collision of hypergolic propellants (2024) · cites this paper as [3]
IDT increases with Δ at fixed We.
“Figure 6c further shows that IDT increases with Δ at fixed We.”
From Droplet collision of hypergolic propellants (2024) · cites this paper as [3]
A large We and a small Δ favor hypergolic ignition, with the critical Δ linearly increasing with We.
“The results suggest that a large We and a small Δ favor the hypergolic ignition, with the critical Δ linearly increasing with We.”
From Droplet collision of hypergolic propellants (2024) · cites this paper as [3]
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Cites
Sutton, G. P., & Seifert, H. S. (1950) · Physics Today · doi:10.1063/1.3066790 · Cited by 1,762 · see citing works
Al‐Shemmeri, T. (1988) · Journal of Mechanical Working Technology · doi:10.1016/0378-3804(88)90172-6 · Cited by 1,627 · see citing works
45th AIAA/ASME/SAE/ASEE joint propulsion conference & exhibit
Zhang, M., Hu, Z., Luo, K. H., & He, G. (2009) · Cited by 959 · see citing works
Regimes of coalescence and separation in droplet collision
QIAN, J., & LAW, C. K. (1997) · Journal of Fluid Mechanics · doi:10.1017/s0022112096003722 · Cited by 841 · see citing works
Coalescence and separation in binary collisions of liquid drops
Ashgriz, N., & Poo, J. Y. (1990) · Journal of Fluid Mechanics · doi:10.1017/s0022112090003536 · Cited by 753 · see citing works
50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference
(2014) · doi:10.2514/mjpc14 · Cited by 693 · see citing works
Handbook of Atomization and Sprays
Ashgriz, N. (2011) · Springer eBooks · doi:10.1007/978-1-4419-7264-4 · Cited by 665 · see citing works
An experimental investigation on the collision behaviour of hydrocarbon droplets
Jiang, Y. J., Umemura, A., & Law, C. K. (1992) · Journal of Fluid Mechanics · doi:10.1017/s0022112092000740 · Cited by 433 · see citing works
48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit
高橋, 賢. (2012) · Explosion · Cited by 340 · see citing works
Experiments on droplet collisions, bounce, coalescence and disruption
Orme, M. (1997) · Progress in Energy and Combustion Science · doi:10.1016/s0360-1285(97)00005-1 · Cited by 322 · see citing works
Gotaas, C., Havelka, P., Jakobsen, H. A., Svendsen, H. F., Hase, M., Roth, N., & Weigand, B. (2007) · Physics of Fluids · doi:10.1063/1.2781603 · Cited by 165 · see citing works
Bouncing, coalescence, and separation in head-on collision of unequal-size droplets
Tang, C., Zhang, P., & Law, C. K. (2012) · Physics of Fluids · doi:10.1063/1.3679165 · Cited by 164 · see citing works
Self-citationPitts, W. M. (1995) · Progress in Energy and Combustion Science · doi:10.1016/0360-1285(95)00004-2 · Cited by 158 · see citing works
Willis, K., & Orme, M. (2003) · Experiments in Fluids · doi:10.1007/s00348-002-0526-4 · Cited by 157 · see citing works
Liquid rocket thrust chambers : aspects of modeling, analysis, and design
Yang, V. (2004) · Cited by 133 · see citing works
Binary droplet collision at high Weber number
Pan, K.-L., Chou, P.-C., & Tseng, Y.-J. (2009) · Physical Review E · doi:10.1103/physreve.80.036301 · Cited by 130 · see citing works
Correlation and Analysis of Blowout Limits of Flames in High-Speed Airflows
Driscoll, J. F., & Rasmussen, C. C. (2005) · Journal of Propulsion and Power · doi:10.2514/1.13329 · Cited by 130 · see citing works
An analysis of head-on droplet collision with large deformation in gaseous medium
Zhang, P., & Law, C. K. (2011) · Physics of Fluids · doi:10.1063/1.3580754 · Cited by 123 · see citing works
Self-citationDynamics of drop coalescence at fluid interfaces
Blanchette, F., & Bigioni, T. P. (2009) · Journal of Fluid Mechanics · doi:10.1017/s0022112008004801 · Cited by 115 · see citing works
Fuel Options for Next-Generation Chemical Propulsion
Law, C. K. (2012) · AIAA Journal · doi:10.2514/1.j051328 · Cited by 100 · see citing works
Rabe, C., Malet, J., & Feuillebois, F. (2010) · Physics of Fluids · doi:10.1063/1.3392768 · Cited by 95 · see citing works
Advances in Hypergolic Propellants: Ignition, Hydrazine, and Hydrogen Peroxide Research
Davis, S. M., & Yılmaz, N. (2014) · Advances in Aerospace Engineering · doi:10.1155/2014/729313 · Cited by 87 · see citing works
Surface-tension-induced mixing following coalescence of initially stationary drops
Anilkumar, A. V., Lee, C. P., & WANG, T. (1991) · Physics of Fluids A Fluid Dynamics · doi:10.1063/1.858199 · Cited by 84 · see citing works
An experimental study on the hypergolic interaction between monomethylhydrazine and nitric acid
Wang, S. Q., & Thynell, S. T. (2011) · Combustion and Flame · doi:10.1016/j.combustflame.2011.07.009 · Cited by 73 · see citing works
Wang, S., Thynell, S. T., & Chowdhury, A. (2010) · Energy & Fuels · doi:10.1021/ef100593s · Cited by 56 · see citing works
Dynamics of internal jets in the merging of two droplets of unequal sizes
Tang, C., Zhao, J., Zhang, P., Law, C. K., & Huang, Z. (2016) · Journal of Fluid Mechanics · doi:10.1017/jfm.2016.218 · Cited by 53 · see citing works
Self-citationCollision dynamics and mixing of unequal-size droplets
Liu, D., Zhang, P., Law, C. K., & Guo, Y. (2012) · International Journal of Heat and Mass Transfer · doi:10.1016/j.ijheatmasstransfer.2012.10.023 · Cited by 50 · see citing works
Self-citationInvestigation into the Hypergolic Ignition Process Initiated by Low Weber Number Collisions
Dambach, E. M., Solomon, Y., Heister, S. D., & Pourpoint, T. L. (2013) · Journal of Propulsion and Power · doi:10.2514/1.b34627 · Cited by 40 · see citing works
Collision Dynamics and Internal Mixing of Droplets of Non-Newtonian Liquids
Sun, K., Zhang, P., Law, C. K., & Wang, T. (2015) · Physical Review Applied · doi:10.1103/physrevapplied.4.054013 · Cited by 39 · see citing works
Self-citationNumerical simulation of head-on droplet collision: Effect of viscosity on maximum deformation
Dai, M., & Schmidt, D. P. (2005) · Physics of Fluids · doi:10.1063/1.1874232 · Cited by 38 · see citing works
Ignition of Advanced Hypergolic Propellants
Dambach, E., Cho, K., Pourpoint, T., & Heister, S. (2010) · 46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit · doi:10.2514/6.2010-6984 · Cited by 33 · see citing works
Rheological Characterization of Monomethylhydrazine Gels
Dennis, J. D., Kubal, T. D., Campanella, O. H., Son, S. F., & Pourpoint, T. L. (2013) · Journal of Propulsion and Power · doi:10.2514/1.b34611 · Cited by 32 · see citing works
Cho, K. Y., Pourpoint, T. L., Son, S. F., & Lucht, R. P. (2013) · Journal of Propulsion and Power · doi:10.2514/1.b34853 · Cited by 31 · see citing works
Brenn, G. (2010) · Springer eBooks · doi:10.1007/978-1-4419-7264-4_7 · Cited by 28 · see citing works
Simplified Theory for Ignition Times of Hypergolic Gelled Propellants
Williams, F. A. (2009) · Journal of Propulsion and Power · doi:10.2514/1.46531 · Cited by 27 · see citing works
Liu, W.-G., Dasgupta, S., Zybin, S. V., & Goddard, W. A. (2011) · The Journal of Physical Chemistry A · doi:10.1021/jp202021s · Cited by 27 · see citing works
Sun, K., Wang, T., Zhang, P., & Law, C. K. (2015) · Physical Review E · doi:10.1103/physreve.91.023009 · Cited by 27 · see citing works
Self-citationThe Ignition Behavior of Various Amines With White Fuming Nitric Acid
Schalla, R. L., & Fletcher, E. A. (1959) · ARS journal · doi:10.2514/8.4673 · Cited by 26 · see citing works
The behavior of the system triethylamine—White fuming nitric acid under conditions of rapid mixing
Schalla, R. L., & Pletcher, E. A. (1957) · Symposium (International) on Combustion · doi:10.1016/s0082-0784(57)80128-3 · Cited by 23 · see citing works
Zhang, P., Zhang, L., & Law, C. K. (2014) · Combustion and Flame · doi:10.1016/j.combustflame.2014.06.016 · Cited by 17 · see citing works
Self-citationExperimental Study of Impingement and Reaction of Hypergolic Droplets
Forness, J. M., Pourpoint, T. L., & Heister, S. D. (2013) · AIAA/ASME/SAE/ASEE Joint Propulsion Conference (JPC) · doi:10.2514/6.2013-3772 · Cited by 17 · see citing works
Ignition of Gelled Monomethylhydrazine and Red Fuming Nitric Acid in an Impinging Jet Apparatus
Dennis, J. D., Pourpoint, T. L., & Son, S. F. (2011) · AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit (JPC) · doi:10.2514/6.2011-5706 · Cited by 17 · see citing works
A study of fast reactions in fuel-oxidant systems
Kilpatrick, M., & Baker, L. L. (1955) · Symposium (International) on Combustion · doi:10.1016/s0082-0784(55)80028-8 · Cited by 16 · see citing works
Computationally Based Design and Screening of Hypergolic Multiamines
McQuaid, M. J., Stevenson, W. H., & Thompson, D. M. (2004) · Cited by 13 · see citing works
Dambach, E. M., Rankin, B. A., Pourpoint, T. L., & Heister, S. D. (2012) · Combustion Science and Technology · doi:10.1080/00102202.2011.627403 · Cited by 12 · see citing works
An Apparatus for Measuring the Rates of Some Rapid Reactions
McKinney, C. D., & Kilpatrick, M. (1951) · Review of Scientific Instruments · doi:10.1063/1.1746012 · Cited by 11 · see citing works
Dennis, J. D., Son, S. F., & Pourpoint, T. L. (2012) · AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit (JPC) · doi:10.2514/6.2012-4325 · Cited by 10 · see citing works
Propellant Ignition and Flame Propagation
(2004) · American Institute of Aeronautics and Astronautics eBooks · doi:10.2514/5.9781600866760.0405.0435 · Cited by 7 · see citing works
IGNITION IN LIQUID PROPELLANT ROCKET ENGINES
Fletcher, E. A., & Morrell, G. (1960) · Elsevier eBooks · doi:10.1016/b978-1-4831-9753-1.50010-5 · Cited by 4 · see citing works
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Cong, H., Qian, L., Wang, Y., & Lin, J. (2020) · Physics of Fluids · doi:10.1063/5.0020709 · Cited by 45 · see citing works
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- Authors
- Zhang, D., Zhang, P., Yuan, Y., & Zhang, T.
- Affiliations
- Hong Kong Polytechnic University (HK)
- Chinese Academy of Sciences (CN)
- Corresponding author
- Zhang, Peng
- Venue
- Combustion and Flame
- Publisher
- Elsevier BV
- Published
- 2016-11
- Volume
- 173
- Pages
- 276-287
- ISSN
- 0010-2180 (ISSN-L)
- OpenAlex
- W2519920659
- Cited by
- 42
- References
- 49
- Citations by year
- 2026: 3 · 2025: 9 · 2024: 5 · 2023: 2 · 2022: 4 · 2021: 4 · 2020: 4 · 2019: 5 · 2018: 2 · 2017: 4
- FWCI
- 3.17
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Combustion and Flame (publishedVersion)
- 中国科学院力学研究所 (submittedVersion)
- PolyU Institutional Research Archive (Hong Kong Polytechnic University) (submittedVersion)
- PolyU Institutional Research Archive (Hong Kong Polytechnic University) (submittedVersion, cc-by-nc-nd)
- Funders
- Chinese Academy of Sciences
- Hong Kong Polytechnic University (G-UA2M, PolyU 152217/14E)
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Heat Transfer
- Physical Sciences › Engineering › Mechanics of Materials › Energetic Materials and Combustion
- Physical Sciences › Engineering › Aerospace Engineering › Rocket and propulsion systems research
- Keywords
- hypergolic ignition, N,N,N',N'-tetramethylethylenediamine, white fuming nitric acid, droplet collision, droplet mixing, Weber number, droplet size ratio, ignition delay, liquid-phase reaction, fuel-oxidizer mixtures
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