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Study of temperature control system of a solar-heated anaerobic digester in Cotonou, Benin Republic, using hardware in the Loop simulation

Title data

Houngue, C. F. C. ; Hounguè, Nina Rholan:
Study of temperature control system of a solar-heated anaerobic digester in Cotonou, Benin Republic, using hardware in the Loop simulation.
In: Journal of Applied Sciences and Environmental Management. Vol. 26 (2022) Issue 1 . - pp. 139-144.
ISSN 2659-1502
DOI: https://doi.org/10.4314/jasem.v26i1.21

Project information

Project title:
Project's official title
Project's id
CLIMAFRI
No information

Project financing: Bundesministerium für Bildung und Forschung

Abstract in another language

In this work, we studied the performance of the temperature control system of an anaerobic digester heated by solar energy using the hardware in the Loop (HIL) simulation method. The implemented control type is On/Off. The main objective was to implement the control to maintain the temperature between 36°C and 38°C. We also aim to determine the minimum load of the digester which allows minimum stress on the control system in order to increase its service life but also to avoid being too dependent on temperature variations in the study environment. It appears at the end of this work that the temperature is well maintained between 36°C and 38°C, for all the quantities of organic matter studied. For small volumes (less than 1,000 Kg), the bias of the heating system actuator is significant.
At best, (that is, for 1,000 Kg) we have on average 5 per day. This causes the heating system to be more dependent on the availability of solar radiation. On the other hand, from 3,000 Kg of organic matter, the temperature of the digester stabilizes better in the desired temperature range. The bias of the heating system is lower, ranging from two (2) per day for 3,000 Kg to one (1) per day for 10,000 Kg of organic matter.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Climatology > Professor Climatology - Univ.-Prof. Dr. Cyrus Samimi
Research Institutions > Central research institutes > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 06 Feb 2024 11:56
Last Modified: 06 Feb 2024 11:56
URI: https://eref.uni-bayreuth.de/id/eprint/88488