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Table 9 Oil properties for the different cases

From: CFD simulations of gearboxes: implementation of a mesh clustering algorithm for efficient simulations of complex system’s architectures

Parameter Symbol and unit Oil 1 (spur gears) Oil 2 (helical gears) Oil 3 (spiral bevel gears)
Kinematic viscosity 40 °C \( \nu\ \left[\frac{\mathrm{m}{\mathrm{m}}^2}{\mathrm{s}}\right] \) 6.6 32 101.5
Kinematic viscosity 100 °C \( \nu\ \left[\frac{\mathrm{m}{\mathrm{m}}^2}{\mathrm{s}}\right] \) 1.1 5.4 17.1
Density at 40 °C \( \rho\ \left[\frac{\mathrm{kg}}{{\mathrm{m}}^3}\right] \) 824.5 855 850