Fig. 1. Four types of aircraft exhaust particles and their typical number fractions at engine exit and 15 m downstream. (IMAGE)

National Institute for Environmental Studies

Fig. 1. Four types of aircraft exhaust particles and their typical number fractions at engine exit and 15 m downstream.

Caption

(a) Turbostratic (soot) particles (diameter 67 nm). (b) Onion-like particles (diameter 17 nm). (c) Amorphous particles (diameter 26 nm). (d) Trace amorphous particles (diameter 17 nm). The four particle types were divided into single and agglomerated particles, and their fractions are shown.

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NIES/ZHAW/TMU

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