They were pumping about 500 mL / minute, with some minor adjustments to maintain core temperature.
Craig On 08/06/2013 11:05 AM, David Roberson wrote: > I am having a difficult time reconciling your calculation with what > DGT shows in the video. I recall them stating that .5 liters per > minute was the incoming cold water flow rate. Do you remember seeing > a different number? > > My initial issue is with the velocity of the steam leaving the output > pipe when the temperature was around 160 C. It is not obvious what > you calculated for this value and that is what I question. Sorry if > this is not clear. I calculated a rough number that was in the > vicinity of 100 meters per second while I believe you got much lower. > I assumed pipe with an inside diameter of 1 cm which was different > than you used. Is there any report of the actual pipe size used > during the experiment? > > At this point I am assuming that I made some calculation error, but > have not had an opportunity to track it down. > > Dave > > > -----Original Message----- > From: Alan Fletcher <[email protected]> > To: vortex-l <[email protected]> > Sent: Mon, Aug 5, 2013 6:29 pm > Subject: Re: [Vo]:Info for Luca Gamberale (CTO Defkalion Europe) > > > From: [email protected] <mailto:[email protected]> > > Sent: Monday, August 5, 2013 3:19:12 PM > > > >m = Q / ( c * dT) = 79.2 * 10^3 / ( 4.186 * 25 ) = 79200 / 104.65 = > > >756.8 kg/h = 12.6 kg/MINUTE <=== not seconds > > > > > >which is close to what I used. > > > > 756.8 kg/hr = 0.21 kg/sec (you forgot to divide by 60 to convert minutes > > to > seconds). > > I typed in the units wrong at the end -- 12 kg/MINUTE, which is what > Defkalion > were using (liters/minute) >
