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EnglishA desiccant dehumidification system with air can be driven by low grade (<80°C) waste heat. In this paper, which is based on experimental data, the air flow at the outlet of the gas cooler of a trans-critical cycle is forced through a desiccant wheel regenerated by the air flow itself. The hybrid trans-critical refrigerator-desiccant system improves COP by approximately 77% as compared to a classical transcritical. The economical analysis suggests that the investment return-time is acceptable (lower than about 8 years) only at ambient temperature exceeding 35°C. The ecological analysis indicates that the TEWI of the classical transcritical cycle exceeds that of the hybrid system, by approximately 60%.
| Titolo: | The application of a desiccant wheel to increase the energetic performances of a transcritical cycle | |
| Autori: | ||
| Data di pubblicazione: | 2015 | |
| Rivista: | ||
| Abstract: | A desiccant dehumidification system with air can be driven by low grade (<80°C) waste heat. In this paper, which is based on experimental data, the air flow at the outlet of the gas cooler of a trans-critical cycle is forced through a desiccant wheel regenerated by the air flow itself. The hybrid trans-critical refrigerator-desiccant system improves COP by approximately 77% as compared to a classical transcritical. The economical analysis suggests that the investment return-time is acceptable (lower than about 8 years) only at ambient temperature exceeding 35°C. The ecological analysis indicates that the TEWI of the classical transcritical cycle exceeds that of the hybrid system, by approximately 60%. | |
| Handle: | http://hdl.handle.net/11386/4495658 | |
| Appare nelle tipologie: | 1.1.1 Articolo su rivista con DOI |
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