High pressure fluids guards

Figure 5.6 Thermal conductivity apparatus and coaxial-cylinder cell, developed by Yata et al (1979a). (a) 1 high pressure vessel 2 fluid separator 3 heater 4 heat insulator 5 support table for bath 6 heat transfer fluid (water or glycerin) 7 screw propeller 8 standard resistance thermometer 9 thermocouples and heaters, (b) 1 inner cylinder 2 outer cylinder 3 upper guard cylinder 4 lower guard cylinder 5 inner heater 6 thermocouples 7 upper alumina insulator 8 lower alumina insulator 9 mica spacer 10 alumina piece 11 brass screw 12 alumina pin 13 brass screw 14 compensative heater 15 top closure of high pressure vessel.

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