Fig 5 - uploaded by Francesco Celani
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Photo, in DC, I=1900 mA, of a piece of Constantan wire having a diameter of 193 µm. Capuchin knots with 8 turns. Temperatures estimated by color. Darkest area is at temperature <600°C; external helicoidal section is at about 800 °C; inmost section, linear, up to 1000 °C in some points. Distance is few mm.

Photo, in DC, I=1900 mA, of a piece of Constantan wire having a diameter of 193 µm. Capuchin knots with 8 turns. Temperatures estimated by color. Darkest area is at temperature <600°C; external helicoidal section is at about 800 °C; inmost section, linear, up to 1000 °C in some points. Distance is few mm.

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A) General overview of INFN-LNF experiments using Constantan wires and motivations. Several of key points shown at ICCF22 (September 8-13, 2019, Assisi-Italy), [DOI: 10.13140/RG.2.2.26669.64485]. B) Experimental evidence of the role of the Deuterium gas flux and electrical excitations, by unbiased collection and analysis of (our) over 80 tests/expe...