Pressure drop characteristics of soot generated by a DPG and a ...

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Soot Loading Conditions Engine – 3 conditions used– NEDC – approx 3g/h for this engine– ‘Rural’ drive cycle – 6g/h– Steady state accelerated soot loading (modified engine operating points) – 10g/h DPG– All tests at approx 10 g/h setpoint12
Effect 1: Backpressure ‘Relaxation’ in flow test27g load908070Flow test sweeps flow up and then down.First flow test shows reduced pressure on downsweep60504030201000 50 100 150 200 250 300 350 400Equivalent flow (m3/hr)first flow testrepeatfirst flowtesttestFurther repeats then stable up and down same trajectoryShape closer to expected quadratic13
Page 1 and 2: Pressure drop characteristics of so
Page 3 and 4: The Cambustion DPG More repeatable
Page 5 and 6: DPG Flow - Temperature CapabilitySt
Page 7 and 8: DPG Application for Dp vs Soot Mass
Page 9 and 10: Previous Engine Correlation WorkT H
Page 11: Engine Details 2l Common rail Diese
Page 15 and 16: Backpressure reduction in multistag
Page 17 and 18: DPG soot subjected to cold start on
Page 19 and 20: Recovery of Reduced Backpressure160
Page 21 and 22: Backpressure vs Soot Load Engine &
Page 23 and 24: Further Work There is scope for fur

Pressure drop characteristics of soot generated by a DPG and a ...

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