The following calculations

http://www.mtaonline.net/~hheffner/DecayCurve1.pdf

show the thermal decline curve for the case:

5        Mass (kg)              
748      Thermal Power (w) for powered equilibrium              
600      Mass Temp. (°C) at powered equilibrium = T0            
1484.9   Thermal  Decay Time Constant (s) = Tau 

taken from mode 3, line 3, of:

http://www.mtaonline.net/~hheffner/RossiThermal2.pdf    

This demonstrates the cutoff occurs at the temperature at which all power is going to merely heating the water, with none left to boil the water.


On Aug 28, 2011, at 3:24 PM, Horace Heffner wrote:

In the "Corrections to "heat after death" calculations" I posted values assuming a flow rate of 7 liters per hour:

http://www.mtaonline.net/~hheffner/RossiThermal.pdf

However, Mattia Rizzi made a sound argument for a flow rate of 3 liters per hour, or about 0.83 g/s, for the Krivit demo, in his post:

http://www.mail-archive.com/[email protected]/msg50685.html

There is thus a good possibility this setting was used in other tests. If true then the feasibility of a 15 minute "heat after death" observation without any excess (nuclear) heat being provided looks far more feasible. See:

http://www.mtaonline.net/~hheffner/RossiThermal2.pdf

Best regards,

Horace Heffner
http://www.mtaonline.net/~hheffner/




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