THERMAL SCIENCE

International Scientific Journal

Jun Wang

,

Yan Kang

,

Lin Yang

,

Xiaolu Li

,

Tianhong Yan

STUDY ON BIODIESEL HEAT TRANSFER THROUGH SELF-TEMPERATURE LIMIT INJECTOR DURING VEHICLE COLD START

ABSTRACT
A type of Self-Temperature Limit-Injector (STL- injector) is proposed to reduce the biodiesel consumption and emission in vehicle cold start process. The STL-injector is capable of fast raising fuel temperature, which helps improve the quality of diesel spray and its combustion efficiency. A STL-injector model is established with consideration of electro-mechanic coupling and fluid-structure interaction. A transient simulation is conducted using dynamic grid technology. The results show that STL-injector can effectively raise biodiesel temperature to 350K from 300K in 32 seconds. That is to say, adding STL-injector to existing biodiesel combustion system is an environment-friendly solution due to improving atomization and spray quality quickly.
KEYWORDS
injector, dynamic grid, biodiesel, emission, heat transfer
PAPER SUBMITTED: 2014-10-11
PAPER REVISED: 2015-10-12
PAPER ACCEPTED: 2015-11-04
PUBLISHED ONLINE: 2015-12-13
DOI REFERENCE: https://doi.org/10.2298/TSCI141011177W
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2015, VOLUME 19, ISSUE Issue 6, PAGES [1907 - 1918]
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Study on biodiesel heat transfer through self-temperature limit injector during vehicle cold start

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