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One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 25)

2017-09-25View Original

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You receive a wealth reward just for participating. Multiple-choice question: What is the essential difference between laminar flow and turbulent flow? A Turbulent flow velocity > Laminar flow velocity ; In flow channel B, turbulence occurs when the cross-sectional area is large, while laminar flow occurs when the cross-sectional area is small ; The Reynolds number for laminar flow in layer C is < the Reynolds number for turbulent flow ; Laminar flow in layer D has no radial pulsations, whereas turbulent flow has radial pulsations.

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