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https://hdl.handle.net/10356/143541
Title: | Dynamic response comparison of direct and indirect evaporation options in ORC systems for waste heat recovery | Authors: | Jiménez-Arreola, Manuel Wieland, Christoph Romagnoli, Alessandro |
Keywords: | Engineering::Mechanical engineering | Issue Date: | 2019 | Source: | Jiménez-Arreola, M., Wieland, C., & Romagnoli, A. (2019). Dynamic response comparison of direct and indirect evaporation options in ORC systems for waste heat recovery. Energy Procedia, 158, 1606-1612. doi:10.1016/j.egypro.2019.01.376 | Conference: | 10th International Conference on Applied Energy (ICAE2018) | Abstract: | ORC is a mature technology that can be used for Waste Heat Recovery (WHR) of Internal Combustion (IC) Engines. Direct Evaporation of the organic fluid from the hot exhaust is an interesting option compared to the often preferred arrangement with an intermediary thermal oil loop due to the superior thermal efficiency potential and reduction of system footprint and weight. However, concerns due to dynamic variability of the hot source still hinder its consideration. In this paper, a comparison of the dynamic response of ORC evaporators with both indirect and direct evaporation is performed under fluctuations of an IC engine exhaust according to relevant frequencies and amplitudes of a standard driving cycle. The results show the range of frequencies and amplitudes of hot source fluctuations for which direct evaporation is most feasible and the range for which special considerations must be taken. | URI: | https://hdl.handle.net/10356/143541 | DOI: | 10.1016/j.egypro.2019.01.376 | Schools: | School of Mechanical and Aerospace Engineering | Research Centres: | Energy Research Institute @ NTU (ERI@N) | Rights: | © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | ERI@N Conference Papers |
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Dynamic response comparison of direct and indirect evaporation options in ORC systems for waste heat recovery.pdf | 1.27 MB | Adobe PDF | View/Open |
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