Jed Rothwell and the leading cold fusion website LENR-CANR.org had a description of the Rossi-Focardi experiment. (Low Energy Nuclear Reactions, also known as Cold Fusion. (CANR, Chemically Assisted Nuclear Reactions)
The experiment has been underway at U. Bologna since mid-December 2010. It has been done several times. Several professors with expertise in related subjects such as calorimetry are involved.
LIST OF MAIN EQUIPMENT IN EXPERIMENT
A hydrogen tank and a method of measuring the hydrogen flow accurate to 0.1 g
10 liter tank reservoir, which is refilled as needed during the run
Tube from pump to Rossi device (The Rossi device is known as an "ECat")
Outlet tube from the Rossi device, which emits hot water or steam
Thermocouples in the reservoir, ambient air and the outlet tube
An HD37AB1347 IAQ Monitor (Delta Ohm) to measure the relative humidity of the steam. This is to confirm that it is “dry steam”; that is, steam only, with no water droplets.
Alternating-current heater used to bring the Rossi device up the working temperature
The reservoir water temperature is measured at 13°C, ambient air at 23°C.
The heater is set to about 1000 W to heat up the Rossi device. Hydrogen is admitted to the Rossi device.
The displacement pump is turned on, injecting water into the Rossi device at 292 ml/min.
The water comes out as warm water at first, then as a mixture of steam and water, and finally after about 30 minutes, as dry steam. This is confirmed with the relative humidity meter.
As the device heats up, heater power is reduced to around 400 W.
The test run on January 14 lasted for 1 hour. After the first 30 minutes the outlet flow became dry steam. The enthalpy during the last 30 minutes can be computed very simply, based on the heat capacity of water (4.2 kJ/kgK) and heat of vaporization of water (2260 kJ/kg):
Mass of water 8.8 kg
Temperature change 87°C
Energy to bring water to 100°C: 87°C*4.2*8.8 kg = 3,216 kJ
Energy to vaporize 10 kg of water: 2260*8.8 = 19,888 kJ
Total: 23,107 kJ
Duration 30 minutes = 1800 seconds
Power 12,837 W, minus auxiliary power ~12 kW
There were two potential ways in which input power might have been measured incorrectly: heater power, and the hydrogen, which might have burned if air had been present in the cell.
The heater power was measured at 400 W. It could not have been much higher that this, because it is plugged into an ordinary wall socket, which cannot supply 12 kW. Even if a wall socket could supply 12 kW, the heater electric wire would burn.
During the test runs the less than 0.1 g of hydrogen was consumed. 0.1 g of hydrogen is 0.1 mole, which makes 0.05 mole of water. The heat of formation of water is 286 kJ/mole, so if the hydrogen had been burned it would have produced less than 14.3 kJ.
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