M19-2101 REVISION 2.0 DVNEXT RHEOMETER - OPERATIONAL MANUAL
γ =θM— (S x T)
Where:
γ = Strain (rad)
θM = Angular rotation of motor shaft (rad)
S = Radial Spring Factor (rad/%torque)
T = % Torque reading (%)
Where:
θM = Angular rotation of motor shaft (rad)
ω = Rotational speed (rpm)
t = Time of test (seconds)
Where:
S = Radial spring factor (rad/%torque)
θcal = Spring windup angle (revolutions)
Where:
θcal = Spring windup angle (revolutions)
vcal = Calibration speed (fixed at 0.1 rpm) (rpm)
tcal = Calibration time (time for 0% to 100% spring windup) (milliseconds)
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