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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02965naa a2200385 4500 | |
| 001 | oai:research.chalmers.se:623d481f-d682-4091-9c7b-5b18702d769c | |
| 003 | SwePub | |
| 008 | 171008s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://research.chalmers.se/publication/2364502 URI |
| 024 | 7 | a https://doi.org/10.3390/en90503222 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/5035092 URI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Andreasen, Jesper Graa4 aut |
| 245 | 1 0 | a Multi-Objective Optimization of Organic Rankine Cycle Power Plants Using Pure and Mixed Working Fluids |
| 264 | c 2016-04-27 | |
| 264 | 1 | b MDPI AG,c 2016 |
| 338 | a electronic2 rdacarrier | |
| 520 | a For zeotropic mixtures, the temperature varies during phase change, which is opposed to the isothermal phase change of pure fluids. The use of such mixtures as working fluids in organic Rankine cycle power plants enables a minimization of the mean temperature difference of the heat exchangers, which is beneficial for cycle performance. On the other hand, larger heat transfer surface areas are typically required for evaporation and condensation when zeotropic mixtures are used as working fluids. In order to assess the feasibility of using zeotropic mixtures, it is, therefore, important to consider the additional costs of the heat exchangers. In this study, we aim at evaluating the economic feasibility of zeotropic mixtures compared to pure fluids. We carry out a multi-objective optimization of the net power output and the component costs for organic Rankine cycle power plants using low-temperature heat at 90 ◦C to produce electrical power at around 500 kW. The primary outcomes of the study are Pareto fronts, illustrating the power/cost relations for R32, R134a and R32/R134a (0.65/0.35mole). The results indicate that R32/R134a is the best of these fluids, with 3.4 % higher net power than R32 at the same total cost of 1200 k$. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Energiteknik0 (SwePub)203042 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Energy Engineering0 (SwePub)203042 hsv//eng |
| 700 | 1 | a Kærn, Martin Ryhl4 aut |
| 700 | 1 | a Pierobon, L.4 aut |
| 700 | 1 | a Larsen, Ulrik,d 1972u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)ulrikl |
| 700 | 1 | a Haglind, Fredrik4 aut |
| 710 | 2 | a Chalmers tekniska högskola4 org |
| 773 | 0 | t Energiesd : MDPI AGg 9:322q 9:322x 1996-1073x 1996-1073 |
| 856 | 4 | u http://publications.lib.chalmers.se/records/fulltext/236450/local_236450.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u https://www.mdpi.com/1996-1073/9/5/322/pdf |
| 856 | 4 8 | u https://research.chalmers.se/publication/236450 |
| 856 | 4 8 | u https://doi.org/10.3390/en9050322 |
| 856 | 4 8 | u https://research.chalmers.se/publication/503509 |
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