Research Article

Sludge Formation Analysis in Hydraulic Oil of Load Haul Dumper 811MK V Machine Running at Elevated Temperatures for Bioenergy Applications

Table 5

Correlation and regression analyses between TAN and working hours of oil.

SampleCorrelation coefficientR squareStandard deviation

00.95940.92050.0096
2500.95860.91890.064
5000.94680.89640.0962
7500.85910.7380.1273