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Table 2

Physical parameters of oil and material (25 °C).

Name Parameter Name Parameter
Viscosity of oil (m2/s) 3.5 × 10−6 Specific heat of oil (J/(kg ∙ K)) 1.88 × 10−3
Density of oil (kg/m3) 875 Thermal conductivity of air (W/(m ∙ K)) 2.76 × 10−2
Thermal conductivity of oil (W/(m ∙ K)) 0.145 Thermal conductivity of cylinder wall (W/(m ∙ K)) 51

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