Simulation and development of a portable biogas digester using sandwich type flat plate and thermosiphon solar heat energy collector for small-scale piggery application

A portable biogas digester made of fiberglass-reinforced plastic (FRP) and provided with solar heating system was designed,developed and evaluated fo small-scale piggery application.The solar heating system consists of a sandwich type flat plate solar heat energy collector and the harnessed energy i...

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