ECN5 Topic 7 - Spray B - Sandia National...

ECN5 – Topic 7 – Spray B 1March 31st, 2017

ECN5Topic 7 - Spray B

Fabrice Foucher, University of Orléans

Ming Zhao, Sebastian Kaiser, University of Duisburg-Essen

Randy Hessel, University of Wisconsin-Madison

José-Maria Garcia-Oliver, Antonio Garica, Andrés Morales Lopez, CMT

Michele Battistoni, University of Perugia

Louis-Marie MALBEC, IFPEN

ECN5 – Topic 7 – Spray B 2March 31st, 2017

Context / Perspectives

Predictive CFD codes in enginesUnderstanding combustion processes

SPRAY A/C/D ENGINE

SPRAY B

ECN5 – Topic 7 – Spray B 3March 31st, 2017

Context / Perspectives

Multi-hole injectors

(spray-spray interactions,

internal flow)

Confinement(spray-wall

interactions)

Flow motion(Swirl)

Single hole

Free jet

No flow motion

Predictive CFD codes in enginesUnderstanding combustion processes

SPRAY A/C/D ENGINE

SPRAY B

3-holes injector+ Swirl

3-holes injectorReal

injectorsEOI

Multiple Injections

3-holes injector+ Swirl

+ Engine geometry

ECN5 – Topic 7 – Spray B 4March 31st, 2017

Context / Perspectives

Multi-hole injectors

(spray-spray interactions,

internal flow)

Confinement(spray-wall

interactions)

Flow motion(Swirl)

Single hole

Free jet

No flow motion

Predictive CFD codes in enginesUnderstanding combustion processes

ENGINE

SPRAY B

3-holes injector+ Swirl

3-holes injectorReal

injectorsEOI

Multiple Injections

3-holes injector+ Swirl

+ Engine geometry

SPRAY A/C/D

ECN5 – Topic 7 – Spray B 25March 31st, 2017

Context / Perspectives

Multi-hole injectors

(spray-spray interactions,

internal flow)

Confinement(spray-wall

interactions)

Flow motion(Swirl)

Single hole

Free jet

No flow motion

Predictive CFD codes in enginesUnderstanding combustion processes

ENGINE

SPRAY B

3-holes injector+ Swirl

3-holes injector

3-holes injector+ Swirl

+ Engine geometry

SPRAY A/C/D

Real injectors

EOIMultiple

InjectionsReal Fuel

SAE Paper 2014-01-1426

ECN5 – Topic 7 – Spray B 26March 31st, 2017

Context / Perspectives

Multi-hole injectors

(spray-spray interactions,

internal flow)

Confinement(spray-wall

interactions)

Flow motion(Swirl)

Single hole

Free jet

No flow motion

Predictive CFD codes in enginesUnderstanding combustion processes

ENGINE

SPRAY B

3-holes injector+ Swirl

3-holes injector

3-holes injector+ Swirl

+ Engine geometry

SPRAY A/C/D

Real injectors

EOIMultiple

InjectionsReal Fuel

We still need

you!

ECN5 – Topic 7 – Spray B 27March 31st, 2017

Acknowledgements