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Figure 4
Comparison between the crank-angle dependency of molecular density at P4 and pressure. The red markers and green curve represent the molecular density and pressure, respectively. The pressure values shown are averages over 110 cycles at each crank angle, obtained while operating the model engine at a rotational speed of 8000 rpm. The molecular density is derived from the Compton-scattering X-ray intensity.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 3| May 2026| Pages 788-793
https://doi.org/10.1107/S1600577526002031
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