Category Title
Over the last decade, federal emissions regulations have driven the upgrade of many turbocharged engines and the installation of turbochargers on many other engines that were originally mechanically scavenged. The need for increased air manifold pressure to drive NOx and other emissions to acceptable levels is well understood. However, there are many variables that the design engineer has to work with. How these variables are played off of each other greatly influence the performance of the final match. The paper will layout the basic design criterion that a design engineer uses when specifying a turbocharger. It will present the basic testing and modeling techniques and general design guidelines. The paper will fully develop a model for an engine and look at how the turbocharger match can be manipulated for different results. The paper will also include a case study of two different approaches for matching a turbocharger on GMW engines and how two different matches generated very different performance envelopes. The case study will include real world data, backed up with modeling show the different matches both satisfy the same goal but give very different operating characteristics. This paper has not been presented before but will use reference material from previous GMC’s and other published materials.
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List Price $195.00