Water at a temperature of 35 °C is flowing steadily in a 2.5 mm diameter, 15-meter long tube at an average velocity of 0.60 m/sec. The cross-section is circular and the material is perfectly smooth. The flow can be considered fully developed. Find the following quantities:a. The Reynolds number. State whether the flow is expected to be laminar or turbulent. (Check your math if you get a Reynolds number in the turbulent range.)b. The Darcy friction factor, ?.c. The pressure drop over the length of the tubing, Δ?, and the corresponding head loss, ℎ?.

Blue and yellow streams of paint (each with a density of 1.6 slugs/ft³ and a viscosity 1500 times greater than water) enter a pipe with an average velocity of 9 ft/s as shown in the figure below. Would you expect the paint to exit the pipe as green paint or separate streams of blue and yellow paint? Explain. Repeat the problem if the paint were "thinned" so that it is only 10 times more viscous than water. Assume the density remains the same, and the temperature is 60°F. Classify the flow. Splitter Laminar Yellow Blue Laminar flow has mixing only by molecular diffusion. Turbulent flow has mixing due to large scale fluctuations. Reynolds number is a measure of whether flow is laminar or turbulent. Classification of viscous flow as laminar or turbulent dictates how the flow is analyzed. What is the Reynolds number for the flow with a viscosity 1500 times that of water? Re= 2 in. What is the entrance length for this Reynolds number? le= ft Green? 25 ft

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