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A Rankine Cycle System for Recovering Waste Heat from HD Diesel Engines - Experimental Results AVL Powertrain Engineering Incorporated
- Format:
- Conference/Event
- Author/Creator:
- Park, Park, author.
- Conference Name:
- SAE 2011 World Congress & Exhibition (2011-04-12 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2011
- Summary:
- A Rankine cycle system with ethanol as the working fluid was developed to investigate the fuel economy benefit of recovering waste heat from a 10.8-liter heavy-duty (HD) truck diesel engine. Recovering rejected heat from a primary engine with a secondary bottoming cycle is a proven concept for improving the overall efficiency of the thermodynamic process. However, the application of waste heat recovery (WHR) technology to the HD diesel engine has proven to be challenging due to cost, complexity, packaging and control during transient operation. This paper discusses the methods and technical innovations required to achieve reliable high performance operation of the WHR system. The control techniques for maintaining optimum energy recovery while protecting the system components and working fluid are described. The experimental results are presented and demonstrate that 3-5% fuel saving is achievable by utilizing this technology. Discussion of the thermodynamic analysis and system design will be discussed in a separate SAE paper
- Notes:
- Vendor supplied data
- Publisher Number:
- 2011-01-1337
- Access Restriction:
- Restricted for use by site license
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