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A Rankine Cycle System for Recovering Waste Heat from HD Diesel Engines - WHR System Development
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 12, 2011 by SAE International in United States
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Waste heat recovery (WHR) has been recognized as a promising technology to achieve the fuel economy and green house gas reduction goals for future heavy-duty (HD) truck diesel engines. A Rankine cycle system with ethanol as the working fluid was developed at AVL Powertrain Engineering, Inc. to investigate the fuel economy benefit from recovering waste heat from a 10.8L HD truck diesel engine. Thermodynamic analysis on this WHR system demonstrated that 5% fuel saving could be achievable. The fuel economy benefit can be further improved by optimizing the design of the WHR system components and through better utilization of the available engine waste heat. Although the WHR system was designed for a stand-alone system for the laboratory testing, all the heat exchangers were sized such that their heat transfer areas are equivalent to compact heat exchangers suitable for installation on a HD truck diesel engine.
CitationTeng, H., Klaver, J., Park, T., Hunter, G. et al., "A Rankine Cycle System for Recovering Waste Heat from HD Diesel Engines - WHR System Development," SAE Technical Paper 2011-01-0311, 2011, https://doi.org/10.4271/2011-01-0311.
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