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Virtual Multi-Cylinder Engine Transient Test System
- John J. Moskwa - Powertrain Control Research Laboratory University of Wisconsin-Madison ,
- Derek A. Mangun - Powertrain Control Research Laboratory University of Wisconsin-Madison ,
- Austin R. Lemke - Enerpac, GM Powertrain, Mercury Marine, Affiliated Construction Services ,
- John L. Lahti - Enerpac, GM Powertrain, Mercury Marine, Affiliated Construction Services ,
- Matthew W. Snyder - Enerpac, GM Powertrain, Mercury Marine, Affiliated Construction Services ,
- Stephen J. Klick - Enerpac, GM Powertrain, Mercury Marine, Affiliated Construction Services
Journal Article
2009-24-0106
ISSN: 1946-3952, e-ISSN: 1946-3960
Sector:
Topic:
Citation:
Moskwa, J., Mangun, D., Lemke, A., Lahti, J. et al., "Virtual Multi-Cylinder Engine Transient Test System," SAE Int. J. Fuels Lubr. 2(2):346-353, 2010, https://doi.org/10.4271/2009-24-0106.
Language:
English
Abstract:
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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