898742.fig.0016a
(a)
898742.fig.0016b
(b)
898742.fig.0016c
(c)
898742.fig.0016d
(d)
898742.fig.0016e
(e)
898742.fig.0016f
(f)
Figure 16: Parametric - maps for instant O2 concentrations in the Volvo D12C Diesel engine fuelled by DOS (a, b, and c) and RME (d, e, and f) at different CADs (−1.5, 5.0, and 15.0, resp.); the engine was operated under 50% load with 30% EGR.