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Dispersion Properties of High Pressure Emulsified Jets

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Abstract:

Atomization quality affects directly burning process in the cylinder so as to further impact on dynamic characteristics, economical efficiency and emission standard. In theory, based on influences of jet dispersion properties for cavitations and jet development model of the mixture of emulsified oil and gas, it is found that high pressure emulsified oil contains lots of tiny water drops, which can increase a atomizing angle for spraying. Compared with the atomizing shapes of absolute diesel oil and emulsified diesel oil at various time, the results show: jet form of mixture changes dynamical characteristics of emulsified diesel oil when it is spraying from the nozzle orifice and its diversification of characteristics also correlates with the atomizing angle. When the percentage of water contents of emulsified diesel oil is 10%, the atomizing angle can get the maximum, which increases by 35%. At the same time, the jet atomizing angle will be increased and the jet valid length will be reduced when the container pressure is improved.

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Periodical:

Applied Mechanics and Materials (Volumes 446-447)

Pages:

437-442

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.446-447.437

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Online since:

November 2013

Authors:

Dong Jie Zhong

Keywords:

Atomizing Angle, Dispersion, Emulsified Jets, Micro-Explosion

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