0000000000948416
AUTHOR
Jean-pierre Lemiere
European and French level of study correspondence in ABE domain
Biosystems Engineering (BE) term is a reference one in the USA and the UE, with sometimes very different definitions, used since more than a decade. Its contours and contents, for L and M degrees, have been studied in a European program for standardization inside the ERABEE network, allowing to designate this domain as a field of engineering which integrates engineering science and design with applied biological, environmental and agricultural sciences. Therefore, Biosystems Engineering is 'the branch of engineering that applies engineering sciences to solve problems involving biological systems ». This definition appeals to many skills and it is useful to mention that in France, the L1 and…
Experimental determination of flow concentration for pneumatic conveying systems of air-seeders
International audience; Taking into account the complexity of wide width air-seeders, they remain less studied. The chief point for air-seeder designers is conception of the pneumatic conveying system. It must be precise in terms of uniformity so that that the agro-technical goals should be achieved. It must also ensure high rates without causing damages to seeds. This paper provides a theoretical analysis of pneumatic conveying designing applied to air-seeders. It shows that the conveying of particles (seeds, fertilizers or their mixture) in a given pipe depends on two interconnected parameters: flow concentration and air velocity. The knowledge of these two parameters is a necessity for t…