Recent content by Rasmus10

  1. R

    Flow work and the first law of thermodynamics

    Hi Im trying to understand the justification for flow work for a control volumen considering the 1. law of thermodynamics. \[\begin{array}{l} \frac{d}{{dt}}(me) + \sum {{{(e\dot m)}_{out}}} - \sum {{{(e\dot m)}_{in}} = \dot Q + \dot W} + {{\dot W}_{fw}}\\ {{\dot W}_{fw}} = \sum...
  2. R

    What is the power required for the belt to maintain its velocity

    Homework Statement Corn is falling vertically down on a conveyor belt at a constant rate of 1 kg/s. The corn instantanoulsy gets the forward speed of the belt of v = 5m/s. What is the power required for the belt to maintain its velocity. Homework Equations p=mv dp/dt=F F*v=P...
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