Parameters optimization for the production of needle-punched nonwoven agrotextiles
2013
Lupu, Iuliana G. | Cramariuc, Oana | Hogas, Horatiu I. | Hristian, Liliana
In this study, we present the effect of the needling density and needle gauge on the functional characteristics (fabric weight, fabric thickness and thermal conductivity) of nonwovens used as agrotextiles for the frost protection of crops. The aim is to determine the optimal processing parameters that can affect the performance characteristics using a central composite design, experimental design, for second-order model. Our results show that an increase in needling density is influencing the fabric weight more than an increase in needle gauge. For the same needle gauge, an increase in needling density also increases the thermal conductivity. At the same time, needling density and needle gauge have opposite effects on fabric thickness.
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