Single cylinder engine transient test system
by John J. Moskwa, John L. Lahti, Matthew W. Snyder
International Journal of Vehicle Design (IJVD), Vol. 40, No. 1/2/3, 2006

Abstract: Single cylinder research engines are often used to evaluate preliminary combustion chamber designs and valvetrain configurations. These engines are modular in design, which makes testing various engine modifications inexpensive and easy. Unfortunately, the standard test configuration does not very accurately represent the rotational dynamics or manifold gas dynamics of the intended multi-cylinder engine application. This new single-cylinder transient test system addresses these and other issues by allowing the single-cylinder to operate as though it were part of a multi-cylinder engine. This greatly extends the test capability of the single-cylinder engine, which in turn reduces development time and cost, and provides a seamless transition from single to multi-cylinder testing. The system also improves low speed test capability and offers extremely fast transient speed performance. With this system it is possible to run standardised emission tests, which opens up new areas of research in this early phase of engine development.

Online publication date: Wed, 21-Dec-2005

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