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Research on the Angle of Swirl Chamber Diesel Engine with Dual Channel

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Abstract:

Swirl chamber diesel engine’s insert piece of channel performance has a great influence on the swirl chamber indoor airflow movement condition. So based on the 175F series bell flat bottom type swirl chamber’s single connection channel improvement, the influence law of swirl chamber indoor air movement during the injection time by the double connection channel angle at the engine rated speed 2600r/min was studied. Simplified boundary conditions to establish its mathematical solution model for the swirl chamber, then the fluid simulation software was used to research the original scheme and double channel with angle of 50 ° and 30 °, 40 °, 60 ° schemes’ swirl chamber indoor air movement. Results show that the angle of 40 ° dual channel form, the loss of the throttle was reduced, and the swirl chamber air velocity increases obviously, the swirl chamber air velocity in injection time up to 125 m/s,which not only increased indoor vortexes energy but also contribute to oil and gas preferably blended, and near the nozzle the temperature lower 20 °C than the original machine, effectively reducing the nozzle heat load.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 635-637)

Pages:

598-602

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.635-637.598

Citation:

Cite this paper

Online since:

September 2014

Authors:

Jun Fu*, Yuan Tang, Wen Hua Yuan, Yi Ma, Wei Chen, Guang Ming Li

Keywords:

Connection Channel, Fluent, Swirl Chamber, Throttling Effect, Vortex Strength

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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