Which effect occurs as dynamic viscosity increases, leading to energy dissipation in an engine's hydrodynamic bearing?

💡 Explanation

With an increase in dynamic viscosity, the viscous shear stress throughout the oil film increases imposing higher frictional losses; this promotes parasitic drag because fluid `internal friction` leads to a loss of energy to heat, generating a reduction in the oil flim thickness; therefore, there is a film thickness reduction rather than an increase affecting load with reduced thickness.

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