Food Engineering
Reynolds number Re
The dimensionless ratio of inertial to viscous forces, Re = ρvD/μ.
Real-life application
Used by process engineers to predict whether fluid moving through a pipe in a dairy or juice plant will flow smoothly or turbulently, which affects mixing and cleaning.
Related terms
Laminar flow
Food EngineeringSmooth, ordered flow in parallel layers, occurring at low Reynolds number, with a parabolic velocity profile in a pipe.
Holding tube
Food EngineeringThe section of a continuous pasteuriser that provides the required residence time at process temperature.
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