Current Volume 8
DEVELOPMENT OF AN INSTRUMENT FOR DETERMINATION OF THERMO-ELECTRIC VOLTAGE OF FUSED DISSIMILAR METALLIC MATERIALS
Abstract
Development of a device to determine the thermoelectric voltage of a fused dissimilar metallic material plays an importance role development of thermocouple sensor. The device consists of two thermocouple amplifiers ADS8495 and MAX 31855; analog -to- digital converter (16 bits); microcontroller; level-shifter; micro SD card; and intelligence liquid crystal display. The ADS8495 is a dc voltage output from 0 to 5 V with 42μV/℃ links to the terminal of fused material and MAX31855 has ability respond from -200 ℃ to 1370 ℃ of a step increment of 0.25 ℃ the input is connected to k-type thermocouple. The output dc voltage ranges from 0 V to 5 V with 42μV/℃ links to the terminal of fused material and the thermoelectric voltages ranges from -200 ℃ to 1370 ℃ of a step increment of 0.25 ℃ and the correlation when compared with Hg-in-glass thermometer is 0.997 and with mean deviation of 0.64 °C. The voltage developed by the fused point was compared with the thermocouple voltage for K-type from book of constant table IEC548-TMH gotten from IEEE. This result has correlation of 0.99 with the mean deviation of 46 µV. The performance evaluation shows that its continuous measurement can be used for determination of the thermoelectric voltage of different fussed dissimilar material to study the effect of alloying materials on thermoelectric voltage generated.
Keywords
Fused, Thermo-junction, Thermoelectric, Thermometer, Thermocouple Amplifier
Citations
IRE Journals:
Ewetumo Theophilus , Adeniyi Olugbenga , Giwa A. Babatunde
"DEVELOPMENT OF AN INSTRUMENT FOR DETERMINATION OF THERMO-ELECTRIC VOLTAGE OF FUSED DISSIMILAR METALLIC MATERIALS" Iconic Research And Engineering Journals Volume 3 Issue 1 2019 Page 59-63
IEEE:
Ewetumo Theophilus , Adeniyi Olugbenga , Giwa A. Babatunde
"DEVELOPMENT OF AN INSTRUMENT FOR DETERMINATION OF THERMO-ELECTRIC VOLTAGE OF FUSED DISSIMILAR METALLIC MATERIALS" Iconic Research And Engineering Journals, 3(1)
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