Article | Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017 | Investigating the Effect of a Sonic Restrictor in the Intake of an Engine
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Title:
Investigating the Effect of a Sonic Restrictor in the Intake of an Engine
Author:
Maura Gallarotti: Claytex Services Ltd., Edmund House, Rugby Road, Leamington Spa, CV32 6EL, UK Alessandro Picarelli: Claytex Services Ltd., Edmund House, Rugby Road, Leamington Spa, CV32 6EL, UK Mike Dempsey: Claytex Services Ltd., Edmund House, Rugby Road, Leamington Spa, CV32 6EL, UK
DOI:
10.3384/ecp17132181
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017
Issue:
132
Article no.:
018
Pages:
181-187
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2017-07-04
ISBN:
978-91-7685-575-1
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The air induction system is one of the engine subsystems that most influences fuel efficiency and power generation, especially in restricted race engine applications. In this paper, the quasi-1D model of a sonic restrictor is presented, together with its integration in an engine model, in order to investigate the behaviour of the engine power and torque when the choked condition is reached. The study shows how power and torque curves are affected when a sonic restrictor is installed within the intake system and outlines the need of detailed simulations in a restricted engine development process, to avoid steep engine power reductions at high speeds.

Keywords: sonic restrictor choked flow engine MVEM intake manifold

Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017

Author:
Maura Gallarotti, Alessandro Picarelli, Mike Dempsey
Title:
Investigating the Effect of a Sonic Restrictor in the Intake of an Engine
DOI:
http://dx.doi.org/10.3384/ecp17132181
References:

Casella F., Otter M., Proelss K., Richter C., Tummescheit H., The Modelica Fluid and Media library for modeling of incompressible and compressible thermo-fluid pipe networks, Proceedings of the 5th Int. Modelica Conference, Vienna, 2006.


Anderson J., Modern Compressible Flow: With Historical Perspective (Aeronautical & Aerospace Engineering), McGraw-Hill Education; 3rd edition, 1 Aug. 2002.


Hendricks, E., Chevalier, A., Jensen, M., Sorenson, S. et al., Modelling of the Intake Manifold Filling Dynamics, SAE Technical Paper 960037, 1996, doi:10.4271/960037.


Picarelli, A., Dempsey M., Investigating the multibody dynamics of the complete powertrain system, Proceedings 7th Modelica Conference, Como, Italy, 2009. doi: 10.3384/ecp09430085


Roberts, N., Dempsey M., Picarelli A., Detailed Powertrain Dynamics Modelling in Dymola ‚Äď Modelica, IFAC Proceedings Volumes, 2013, doi: 10.3182/20130904-4-JP-2042.00111

Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017

Author:
Maura Gallarotti, Alessandro Picarelli, Mike Dempsey
Title:
Investigating the Effect of a Sonic Restrictor in the Intake of an Engine
DOI:
http://dx.doi.org/10.3384/ecp17132181
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