3218344265
1-2014
TRIBOLOGIA
25
Summary
The surface temperaturę of ploughshares was measured during ploughing carried out in two conditions. Measurements were taken at two points on the surface of ploughshare using a contact thermometer and by means of thermal imaging of the whole surface. It was found that, depending on the working conditions, the surface temperaturę measured at two points of ploughshare was higher by about 4 to almost 9°C than the temperaturę of the cultivated soil. The surface of the bow section of the ploughshare underwent stronger heating, probably due to morę soil stress. It was also found that pre-treatment of the surface of ploughshare to take measurements with thermal imaging cannot be used to determine the temperaturę distribution on the surface. A number of factors may affect the value of the ploughshares’ operating temperaturę, the importance of which reąuires experimental confirmation.
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