High Bulk Modulus of Ionic Liquid and Effects on Performance of Hydraulic System

Table 6

Absolute and relative errors of variables that were constant throughout a single measurement.

Variable	Source	Absolute/relative error
𝐸st= 2,1 · 10^6 bar	Subjective estimation	Δ𝐸st= ±0,105 · 10^6 bar	𝜹𝐄st=𝟓%
𝑡= 5 mm	𝛿𝑑𝑛= 0,75%	Δ𝑡= ±0,0375 mm	𝜹𝐭= 0,75%
𝑑𝑛= 20 mm	Benteler tube data	Δ𝐝𝐧= ±0,15 mm	𝛿𝑑𝑛=0,75%
𝑘= 1,5 mm	Neglected	Δ𝑘=0	𝛿𝑘=0%
𝐿= 4,146 m	Measuring tape accuracy	Δ𝐝𝐧= ±2 mm	𝛿𝑑𝑛=0,04824%
𝑙0= 4,475 m		Δ𝐝𝐧= ±2 mm	𝛿𝑑𝑛=0,04469%
𝑙𝑐= 4,50 m		Δ𝐝𝐧= ±2 mm	𝛿𝑑𝑛=0,04444%

Light face cells are calculated out of bold face cells (errors from source).