Flow mechanism in twin-wire blade forming. Part I

  title={Flow mechanism in twin-wire blade forming. Part I},
  author={Krister {\AA}kesson and Bo Norman},
  journal={Nordic Pulp & Paper Research Journal},
  pages={59 - 66}
In a one-sided twin-wire model gap former, the KTH-former, the effects of blade load and wire permeability upon a blade forming pressure pulse, flow velocity and roll-to-wire gap has been studied. A forming blade was applied against the Outer wire of the forming roll and the blade pressure was measured with a pressure sensor mounted in the roll surface. A camcorder was used to evaluate the roll-to-wire gap. Increased blade load gave higher pressure peaks upstream of the blade tip. Tracer… CONTINUE READING


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