期刊
APPLIED ENERGY
卷 204, 期 -, 页码 1188-1197出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2017.04.056
关键词
Organic Rankine Cycle; Transportation; Space requirements; Volume; Weight; Feasibility
资金
- Munich School of Engineering (MSE), as part of the ICER project
- Nanyang Technological University of Singapore (NTU)
Organic Rankine Cycles (ORC) offer a valuable alternative to recover waste heat from internal combustion engines (ICE) in transportation systems, leading to fuel energy savings and reduced emissions. Nevertheless, the additional weight of the ORC affects the net energy balance of the overall system and the ORC occupies additional volume that competes with vehicle transportation capacity. A lower income from delivered freight or passenger tickets will be therefore achieved. This work defines a benchmark for the economic feasibility of integrating an ORC into an ICE and the resulting economic impact of weight and volume in the transportation sector. It additionally investigates the current ORC situation on the market. The applied methodology defines a maximum allowable change of transport capacity caused by the integration of the ORC. The procedure is applied to a typical city bus, a truck of 40 t of payload capacity, a middle-size freight train (1000 t), an inland water vessel (Va RoRo, 2500 t) and ocean vessel (25,000 t). The results are compared with commercial ORC products. The findings of the present study are a theoretical and practical approach for the economic application of ORCs in the transportation sector. For maritime transportation, the situation appears highly favorable. For integration for trains and trucks appeared successful, but close to the limit line. For busses, a competitive integration requires a strong reduction in weight and volume. In future works, the potential for volume and mass reduction of the ORC has to be addressed together with the integration of an economic assessment for the ORC. (C) 2017 Elsevier Ltd. All rights reserved.
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