Application of On-Highway Emissions Technology on a Scraper Engine

Paper #:
  • 920923

Published:
  • 1992-04-01
Citation:
Swenson, K. and Shahed, S., "Application of On-Highway Emissions Technology on a Scraper Engine," SAE Technical Paper 920923, 1992, https://doi.org/10.4271/920923.
Pages:
8
Abstract:
An investigation was performed to determine the effects of applying on-highway heavy-duty diesel engine emissions reduction technology to an off-highway version of the engine. Special attention was paid to the typical constraints of fuel consumption, heat rejection, packaging and cost-effectiveness.The primary focus of the effort was NOx, reduction while hopefully not worsening other gaseous and particulate emissions. Hardware changes were limited to “bolt-on” items, thus excluding piston and combustion chamber modifications.In the final configuration, NOx was improved by 28 percent, particulates by 58 percent, CO and HC were also better and the fuel economy penalty was limited to under 4 percent.Observations are made about the effectiveness of various individual and combined strategies, and potential problems are identified.
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