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International Journal of Energetic Materials and Chemical Propulsion

Выходит 6 номеров в год

ISSN Печать: 2150-766X

ISSN Онлайн: 2150-7678

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.7 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00016 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.18 SJR: 0.313 SNIP: 0.6 CiteScore™:: 1.6 H-Index: 16

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IN-CYLINDER MEASUREMENTS OF NO IN A RUNNING DIESEL ENGINE BY MEANS OF LIF DIAGNOSTICS

Том 4, Выпуск 1-6, 1997, pp. 972-982
DOI: 10.1615/IntJEnergeticMaterialsChemProp.v4.i1-6.900
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Краткое описание

Two-dimensional NO distributions in a steadily running optically accessible diesel engine are observed by laser-induced-fluorescence using a tunable ArF excimer laser at 193 nm. Simultaneous excitation at 226 nm revealed that no sizeable photo-chemical effects influencing the NO distribution are induced by the excimer laser. The measurements are performed in both a directly injected two-stroke engine and an indirectly injected four-stroke engine. The in-cylinder attenuation of the laser beam due to absorption and scattering by particles as well as the reduced transparency of the quartz windows due to soot deposits are taken into account in the evaluation of the NO distributions. Hereto correction procedures are applied involving the measurement of Mie scattered laser light distributions in the motored and the running engine. Results for the corrected NO-LIF distributions are presented as a function of crank angle and load. The consistency of the obtained results is verified by performing measurements with reversed laser beam direction. The NO-LIF distributions show a reproducible evolution as a function of crank angle. The averaged LIF intensity decreases strongly with increasing crank angle, as expected for an early NO formation followed by an expansion.

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