This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
A Study of the Rankine Cycle Generating System for Heavy Duty HV Trucks
Technical Paper
2014-01-0678
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
In heavy duty (HD) trucks cruising on expressway, about 60% of input fuel energy is wasted as losses. So it is important to recover them to improve fuel economy of them. As a waste heat recovery system, a Rankine cycle generating system was selected. And this paper mainly reports it.
In this study, engine coolant was determined as main heat source, which collected energies of an engine cooling, an EGR gas and an exhaust gas, for collecting stable energy as much as possible. And the exergy of heat source was raised by increase coolant temperature to 105 deg C. As for improving the system efficiency, saturation temperature difference was expanded by improving performance of heat exchanger and by using high pressure turbine. And a recuperator which exchanges heat in working fluid between expander outlet and evaporator inlet was installed to recover the heat of working fluid at turbine generator. Then a working fluid pump was improved to reduce power consumption of the system. And Hydro-fluoro-ether was selected as suitable working fluid for the system for vehicles.
The Rankine cycle generating system consists of each component mentioned above was tested on the expressway cruising condition with combining the developed downsized engine. As a result of test, the fuel consumption was improved to 7.5%.
Recommended Content
Authors
Topic
Citation
Furukawa, T., Nakamura, M., Machida, K., and Shimokawa, K., "A Study of the Rankine Cycle Generating System for Heavy Duty HV Trucks," SAE Technical Paper 2014-01-0678, 2014, https://doi.org/10.4271/2014-01-0678.Also In
References
- Mori Ishii , Shotarolikubo , Nakajima Hiroshi and Machida Koichi et al. A Study on Higher Fuel Efficiency of a Heavy Duty Diesel Engine for Commercial Vehicles Proceedings. JSAE Annual Congress. 20125805 No.143-12 9 12
- Machida Koichi , Yasui Hirofumi , Masuda Sotoshi and Nakajima Hiroshi et al. A study of the HV system for Heavy Duty Trucks Proceedings. JSAE Annual Congress 20135873 No.147-13 11 14
- Feru , E. , Kupper , F. , Rojer , C. , Seykens , X. et al. Experimental Validation of a Dynamic Waste Heat Recovery System Model for Control Purposes SAE Technical Paper 2013-01-1647 2013 10.4271/2013-01-1647
- Yamaguchi , T. , Aoyagi , Y. , Osada , H. , Shimada , K. et al. BSFC Improvement by Diesel-Rankine Combined Cycle in the High EGR Rate and High Boosted Diesel Engine SAE Int. J. Engines 6 2 1275 1286 2013 10.4271/2013-01-1638
- Valentino , R. , Hall , M. , and Briggs , T. Simulation of Organic Rankine Cycle Electric Power Generation from Light-Duty Spark Ignition and Diesel Engine Exhaust Flows SAE Int. J. Engines 6 2 1299 1310 2013 10.4271/2013-01-1644
- Park , T. , Teng , H. , Hunter , G. , Van der Velde , B. et al. A Rankine Cycle System for Recovering Waste Heat from HD Diesel Engines - Experimental Results SAE Technical Paper 2011-01-1337 2011 10.4271/2011-01-1337
- Teng , 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 10.4271/2011-01-0311
- Ringler , J. , Seifert , M. , Guyotot , V. , and Hübner , W. Rankine Cycle for Waste Heat Recovery of IC Engines SAE Int. J. Engines 2 1 67 76 2009 10.4271/2009-01-0174
- Obieglo A. , Ringler J. and Seifert M. , Hall W. Future Efficient Dynamics with Heat Recovery DEER Conference 2009
- Endo , T. , Kawajiri , S. , Kojima , Y. , Takahashi , K. et al. Study on Maximizing Exergy in Automotive Engines SAE Technical Paper 2007-01-0257 2007 10.4271/2007-01-0257
- Ibaraki Shigeru , Endo Tsuneo , Kojima Yoichi and Takahashi Kazuya et al. Research of a Rankine Cycle On-Board Heat Waste Recovery System Proceedings. JSAE Annual Congress 20065602 No.92-06 15 20
- Nelson Christopher R. Exhaust Energy Recovery DEER Conference 2009
- Furukawa Takatoshi , Nakamura Masaaki , Machida Koichi , Shimokawa Kiyohiro A Study of a Waste Heat Recovery System Using Rankine Cycle for Heavy-Duty HV Trucks Proceedings. JSAE Annual Congress 20135234 No.65-13 6 9