Reducing the fuel consumption and greenhouse gas emissions of large commercial vehicles is a growing priority as governments around the globe introduce more stringent emissions regulations and as companies work to reduce their carbon footprint. Organic Rankine Cycles (ORC) can be applied to these vehicles to recover power from engine waste heat, thereby increasing efficiency and reducing fuel burn. However, the available waste heat consists of both high and low temperature sources making an efficient and cost-effective utilization of these resources challenging. In order to utilize both waste heat streams effectively, a single rotor, dual-entry turbine expander capable of accepting process flow simultaneously from high and low pressure supplies was developed, manufactured and tested. Test results show that the turbine concept was able to meet performance targets while decreasing the size, cost and complexity of the dual pressure ORC.
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ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition
June 11–15, 2018
Oslo, Norway
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-5104-3
PROCEEDINGS PAPER
The Development and Testing of a Dual-Entry Turbine Expander for ORC Applications
Timothy Ernst
Timothy Ernst
Cummins Inc., Columbus, IN
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Jeff Noall
Barber Nichols Inc., Arvada, CO
Timothy Ernst
Cummins Inc., Columbus, IN
Paper No:
GT2018-77129, V003T28A006; 12 pages
Published Online:
August 30, 2018
Citation
Noall, J, & Ernst, T. "The Development and Testing of a Dual-Entry Turbine Expander for ORC Applications." Proceedings of the ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems. Oslo, Norway. June 11–15, 2018. V003T28A006. ASME. https://doi.org/10.1115/GT2018-77129
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