Ballistic imaging of the near field in a diesel spray

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Abstract

We have developed an optical technique called ballistic imaging to view breakup of the near-field of an atomizing spray. In this paper, we describe the successful use of a time-gated ballistic imaging instrument to obtain single-shot images of core region breakup in a transient, single hole atomizing diesel fuel spray issuing into one atmosphere. We present a sequence of images taken at the nozzle for various times after start of injection, and a sequence taken at various positions downstream of the nozzle exit at a fixed time. These images contain signatures of periodic behavior, voids, and entrainment processes.

Detaljer

Författare
  • Mark Linne
  • Megan Paciaroni
  • Tyler Hall
  • Terry Parker
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Atom- och molekylfysik och optik
Originalspråkengelska
Sidor (från-till)836-846
TidskriftExperiments in Fluids
Volym40
Utgåva nummer6
StatusPublished - 2006
PublikationskategoriForskning
Peer review utfördJa