Virtual Multi-Cylinder Engine Transient Test System

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Virtual Multi-Cylinder Engine Transient Test System

Lemke, Austin R. / Mangun, Derek A. / Moskwa, John J. / Lahti, John L. / Snyder, Matthew W. / Klick, Stephen J.

Researchers at the Powertrain Control Research Laboratory (PCRL) at the University of Wisconsin-Madison have developed a transient test system for single-cylinder engines that accurately replicates the dynamics of a multi-cylinder engine. The overall system can perform very rapid transients in excess of 10,000 rpm/second, and also replicates the rotational dynamics, intake gas dynamics, and heat transfer dynamics of a multi-cylinder engine.Testing results using this system accurately represent what would be found in the multi-cylinder engine counterpart. Therefore, engine developments can be refined to a much greater degree at lower cost, and these changes directly incorporated in the multi-cylinder engine with minimal modification. More importantly, various standardized emission tests such as the cold-start, FTP or ETC, can be run on this single-cylinder engine. These tests are currently only run using multi-cylinder engines, so this moves these important tests more than a year forward in the engine development cycle, and represents a significant competitive advantage. Many other advantages of this new system will be discussed in the paper.

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Document information

Title :

Virtual Multi-Cylinder Engine Transient Test System

Additional title:

Sae Int. J. Fuels Lubr
Sae International Journal of Fuels and Lubricants

Contributors:

Lemke, Austin R. (author) / Mangun, Derek A. (author) / Moskwa, John J. (author) / Lahti, John L. (author) / Snyder, Matthew W. (author) / Klick, Stephen J. (author)

Conference:

9th International Conference on Engines and Vehicles ; 2009

Published in:

Sae International Journal of Fuels and Lubricants ; 2 , 2 ; 346-353

Publication date :

2009-09-13

Size :

8 pages

ISSN :

1946-3952 , 1946-3960

DOI :

https://doi.org/10.4271/2009-24-0106