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Long-working-distance microscope used for diesel injection spray imaging
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Internal Combustion Engines.ORCID iD: 0000-0001-9483-7992
1996 (English)In: Optical Engineering: The Journal of SPIE, ISSN 0091-3286, E-ISSN 1560-2303Article in journal, Editorial material (Refereed) Published
Abstract [en]

An optical system for analysis of diesel spray penetration and atomization has been developed. The basic system is based on a microscope with a long working distance (230 mm) and a modest resolution. The magnification is variable between 1:1 and 50:1 on the camera plane. This enables the study of individual droplets with a diameter of 5 mm. A number of different techniques have been used together with the basic system to study different parts of the spray. They include the darkground technique, double exposure, and ordinary magnification. The size, speed, and direction of propagation of the individual droplets have been calculated using the elongation of the droplet image caused by the duration time of the flash.

Place, publisher, year, edition, pages
1996.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-242345DOI: 10.1117/1.601113Scopus ID: 2-s2.0-0002788038OAI: oai:DiVA.org:kth-242345DiVA, id: diva2:1283913
Note

QCR 20190212

Available from: 2019-01-30 Created: 2019-01-30 Last updated: 2020-03-10Bibliographically approved

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Publisher's full textScopushttps://www.spiedigitallibrary.org/journals/Optical-Engineering/volume-35/issue-12/0000/Long-working-distance-microscope-used-for-diesel-injection-spray-imaging/10.1117/1.601113.short

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