I can't agree w/ a diameter of 1 cm.
  ----- Original Message ----- 
  From: Alan J Fletcher 
  To: vortex-l@eskimo.com 
  Sent: Tuesday, September 20, 2011 6:49 PM
  Subject: Re: [Vo]:Calculations for 1 MW plant. + Time to Drain the eCat


  At 02:33 PM 9/20/2011, Joe Catania wrote:

    Clearly your calculations are a bit off. The running time on video is more 
like 1:20, still greater than drain time for 2 atm, showing there is less than 
2atm pressure. But since we don't know for how long the draining continues we 
dont know how much less. Since the E-Cat is open to atmosphere (by report) we 
can assume the pressure is 1 atm. Also 1/4 cm seems a bit small for the orifice 
and drain time would seem to affected by height of water column.

  I corrected the run time. 

  The time to drain goes as  1/orifice_area  * sqrt(column_height)
  1/4 is the radius -- 1/2cm diameter

  At 02:50 PM 9/20/2011, Jouni Valkonen wrote:

    Considering Akira's temperature graph, we can take that draining took about 
5-7 min.

  That's about 23:15 to 23:22

  Hmmm .... since the outlet is still open cool air will be sucked past the 
temperature probe, cooling it.
  When it's completely drained this flow will stop, and the thermal mass will 
cause the air to heat up again.

  Tank height 20
  Radius 0.25Time 1 Bar 25.72 minTime 2 Bar 1.80 min
  Radius 0.30Time 1 Bar 17.86 minTime 2 Bar 1.25 min
  Radius 0.35Time 1 Bar 13.12 minTime 2 Bar 0.92 min
  Radius 0.40Time 1 Bar 10.05 minTime 2 Bar 0.70 min
  Radius 0.45Time 1 Bar 7.94 minTime 2 Bar 0.56 min
  Radius 0.50Time 1 Bar 6.43 minTime 2 Bar 0.45 min
  Tank height 22.5
  Radius 0.25Time 1 Bar 27.28 minTime 2 Bar 2.03 min
  Radius 0.30Time 1 Bar 18.95 minTime 2 Bar 1.41 min
  Radius 0.35Time 1 Bar 13.92 minTime 2 Bar 1.04 min
  Radius 0.40Time 1 Bar 10.66 minTime 2 Bar 0.79 min
  Radius 0.45Time 1 Bar 8.42 minTime 2 Bar 0.63 min
  Radius 0.50Time 1 Bar 6.82 minTime 2 Bar 0.51 min
  Tank height 25
  Radius 0.25Time 1 Bar 28.76 minTime 2 Bar 2.25 min
  Radius 0.30Time 1 Bar 19.97 minTime 2 Bar 1.56 min
  Radius 0.35Time 1 Bar 14.67 minTime 2 Bar 1.15 min
  Radius 0.40Time 1 Bar 11.23 minTime 2 Bar 0.88 min
  Radius 0.45Time 1 Bar 8.88 minTime 2 Bar 0.70 min
  Radius 0.50Time 1 Bar 7.19 minTime 2 Bar 0.56 min
  Tank height 27.5
  Radius 0.25Time 1 Bar 30.16 minTime 2 Bar 2.48 min
  Radius 0.30Time 1 Bar 20.95 minTime 2 Bar 1.72 min
  Radius 0.35Time 1 Bar 15.39 minTime 2 Bar 1.26 min
  Radius 0.40Time 1 Bar 11.78 minTime 2 Bar 0.97 min
  Radius 0.45Time 1 Bar 9.31 minTime 2 Bar 0.76 min
  Radius 0.50Time 1 Bar 7.54 minTime 2 Bar 0.62 min
  Tank height 30
  Radius 0.25Time 1 Bar 31.50 minTime 2 Bar 2.70 min
  Radius 0.30Time 1 Bar 21.88 minTime 2 Bar 1.88 min
  Radius 0.35Time 1 Bar 16.07 minTime 2 Bar 1.38 min
  Radius 0.40Time 1 Bar 12.31 minTime 2 Bar 1.05 min
  Radius 0.45Time 1 Bar 9.72 minTime 2 Bar 0.83 min
  Radius 0.50Time 1 Bar 7.88 minTime 2 Bar 0.68 min

  So ... pick a number (or two!) and draw your conclusions.


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