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M. Ismailov, T. Ishima, T. Obokata, Masayoshi Tsukagoshi, Kobayashi Kazumitsu (2023)
Control of Transient Injection and Fast Spray DynamicsProceedings of the Seventh International Conference on Liquid Atomization and Spray Systems
Zhengbai Liu, R. Reitz (1995)
Modeling fuel spray impingement and heat transfer between spray and wall in direct injection diesel enginesNumerical Heat Transfer Part A-applications, 28
S. Sankar, K. Maher, D. Robart, W. Bachalo (2023)
Spray Characterization Using a Planar Droplet Sizing TechniqueProceedings of the Seventh International Conference on Liquid Atomization and Spray Systems
Y. Iwamoto, Noma Kazutoshi, O. Nakayama, T. Yamauchi, H. Ando (1997)
Development of Gasoline Direct Injection EngineSAE transactions, 106
Juniti Harada, T. Tomita, H. Mizuno, Z. Mashiki, Yasushi Ito (1997)
Development of Direct Injection Gasoline EngineSAE transactions, 106
F. Durst, M. Ismailov, D. Trimis (1996)
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H. Hiroyasu (1985)
Diesel Engine Combustion and Its Modeling
P. Lambossy (1952)
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T. Obokata, Wuqiang Long, T. Ishima (1996)
PDA and LDA Measurements of Large Angle Hollow Cone Spray Proposed for Hot-Premixed Combustion Type Diesel EngineSAE transactions, 105
C. Edwards (2023)
The Point-Particle/Continuum-Field Theory of Spray FlowsProceedings of the Seventh International Conference on Liquid Atomization and Spray Systems
Transient dynamics of two injection flows, upstream and downstream a swirl injector, are investigated. Capillary n-heptane pipe flow is measured using laser Doppler anemometer to obtain instantaneous time series of centerline velocity and to reconstruct series of instantaneous and integrated flow rates and pressure gradient. A collimated laser sheet and a high-speed video camera visualize injected spray flow. Finally, the phase Doppler anemometer measurements are introduced to analyze instantaneous patterns of droplets velocity-size and number density into fuel spray. All measurements are employed at similar temporal resolution close to 30 μs. Results indicate that both flows are strongly time-dependent and well correlated in time-phases. Initial transitions are completed by 100 μs. Opening or closing of the injector valve affects both flows as strong delta oscillation causes spray penetration dynamics and a post injection effect. A combination of intrusive laser-based techniques allows indication of the basic injection and spraying characteristics need to optimize high-pressure fuel injectors and combustion late injection mode at a high speed.
Experiments in Fluids – Springer Journals
Published: Jun 2, 1999
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