Home > International Symposium on New Technologies and Management for Greenhouses – GreenSys2015 > The development of the EXE-kas

Articles

The development of the EXE-kas

Article number

1170_56

Pages

453 – 460

Language

English

Abstract

Different primary energy saving techniques for greenhouses have been tested in the past.
Those systems were designed by using the first law.
However, no attention was paid to the exergy destruction in the processes (second law). This exergy destruction is related to the driving potential of the processes and the mass/energy transfer quantity, and it determines the efficiency of the system.
In this paper, different energy saving techniques for greenhouses are studied based on exergy analyses at the process level.
Many of the studied techniques could be labelled as less promising. Based on this assessment, our research team select an efficient dehumidification device (vapour heat pump) and EB (Energy Balancing)-screens as most promising.
A greenhouse equipped with those techniques is named EXE-kas (Exergy Efficient greenhouse). The prospected dehumidification efficiency of an optimal designed vapour heat pump is around 10. The use of the EB-screens results in a near neutral energy balance of the greenhouse without heating.

Publication

International Symposium on New Technologies and Management for Greenhouses – GreenSys2015

Authors

F. Bronchart, P. Demeyer, V. Van Linden, M. De Paepe, R. De Vis, L. Wittemans, P.A. van Weel, E. Cheret, P. Malschaert, S. Tassens

Keywords

vapour heat pump, dehumidification, primary energy saving, screens, greenhouse

Full text

https://doi.org/10.17660/ActaHortic.2017.1170.56

Online Articles (151)

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56. The development of the EXE-kas

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T. Jishi | T. Komatsu | S. Yasuoka

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N. Katsoulas | O. Kaltsa | N. Rigakis | E. Kitta

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