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← ScienceWhich outcome results when the hydraulic diameter approximation within chemical reactors decreases, despite a high Reynolds Number?
A)Increased convective heat transfer results
B)Flow regime transitions to laminar
C)System viscosity approaches zero value
D)Significant pressure drop must develop✓
💡 Explanation
Reduced hydraulic diameter intensifies the wall contact area, inducing shear thinning causing frictional losses, because momentum dissipation escalates with restricted flow path. Therefore, pressure drop increases throughout the reactor, rather than convective heat transfer increases, involving different gradients.
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