http://www.cnr.it/ontology/cnr/individuo/prodotto/ID87584
Spray properties of alternative fuels: a comparative analysis of mineral and 1st-2nd generation biodiesel (Contributo in atti di convegno)
- Type
- Label
- Spray properties of alternative fuels: a comparative analysis of mineral and 1st-2nd generation biodiesel (Contributo in atti di convegno) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Alternative label
Allocca L., Mancaruso E., Montanaro A., Sequino L., Vaglieco B.M. (2010)
Spray properties of alternative fuels: a comparative analysis of mineral and 1st-2nd generation biodiesel
in DIPSI Workshop 2010 on Droplet Impact Phenomena & Spray Investigation, Bergamo
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Allocca L., Mancaruso E., Montanaro A., Sequino L., Vaglieco B.M. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- ISBN 978-88-69333-51-8. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto Motori, CNR, Napoli. (literal)
- Titolo
- Spray properties of alternative fuels: a comparative analysis of mineral and 1st-2nd generation biodiesel (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- 978-88-9633-351-8 (literal)
- Abstract
- The paper presents the influence of biodiesel fuels on the injection process and their impact on the air-fuel mixture
preparation. The experimental investigation was carried out on the fuel spray of a multi-jet common rail injection system both
under non evaporative and evaporative conditions. The characteristics of the investigated spray include the fuel delivery, the
instantaneous flow rate and the jet visualization, both within an optical high pressure vessel at ambient temperature and in an
optically accessible single cylinder diesel engine for the evaporative conditions. The tests have been performed by means of a
Bosch second generation common rail solenoid-driven fuel injection system with a 7-holes nozzle, flow number 440 cc/30s
@100bar, 148deg cone opening angle (minisac type). Double injection strategy (pilot+main) has been implemented on the
ECUs corresponding to operative running conditions of the commercial EURO 5 diesel engine. First and second generation
biodiesel, like Soybean Methyl Ester (SME) and Gas To Liquid (GTL), have been used and their behaviour has been compared
to the reference diesel fuel.
The images of evolving fuel, acquired in non-evaporative conditions and in the combustion chamber of the optical diesel
engine, have been processed extracting the main parameters of the jet evolution. Different spatial distributions of the liquid
fuel in the chamber have been assessed by the analysis of the luminous intensity along the jet direction. Moreover a
comparison of the tip penetration measured by means of the experimental data and Hiroyasu and Siebers theoretical correlation
has been made and showing very good agreements in both the systems. (literal)
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