Isothermally heatsunk diffusion cloud chamber refrigerator

Details Isothermally heatsunk diffusion cloud chamber refrigerator Isothermally heatsunk diffusion cloud chamber refrigerator

1986-08-27

1987-05-05

King, Lloyd L.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

F25B 2102

Patent

active

046621806

ABSTRACT:
A means of refrigeration is provided for a diffusion cloud chamber, which effects the temperatures required for operation of the cloud chamber by heatsinking a Peltier thermoelectric element with a two-phase saturated substance at equilibrium and constant pressure. Use is made of the fact that a two phase saturated substance at equilibrium and constant pressure is thermodynamically fixed in temperature. By sinking a Peltier thermoelectric element to this substance, the entire temperature difference across the Peltier thermoelectric element is offset below the saturation temperature of the two-phase substance. A diffusion cloud chamber incorporating this refrigerator could utilize ice-water cooling rather than dry ice, and therefore be easily set up in any classroom.

REFERENCES:
patent: 2779172 (1957-01-01), Lindenblad
patent: 3470702 (1969-10-01), Koch et al.
patent: 4055053 (1977-10-01), Elfving
patent: 4461153 (1984-07-01), Lindner et al.

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