To determine Magnitude of Reynolds number and type of flow. Explanation Write the expression for the specific gravity in terms of density ( S G ) . S G = ρ ρ w γ = S G × γ w (I) Here, density of the oil is ρ and density of the water is ρ w . Write the expression to calculate the area of pipe. A = π 4 D 2 (II) Here, the diameter of pipe is D . Write the expression for the flow rate using the continuity equation. Q = A V V = Q A (III) Here, the flowrate is Q , area of cross section of pipe is A , and velocity of pipe at point is V . Write the equation for Reynolds number. Re = ρ V D μ (IV) Here, the Reynolds number is Re , the velocity of the fluid is V and the dynamic viscosity of fluid is μ . Conclusion: Substitute 0.86 for S G and 999 kg/m 3 for ρ w in equation (I). ρ = 0.86 × 999 kg/m 3 = 859 kg/m 3 Substitute 500 mm for D in equation (II). A = π 4 ( 500 mm ) 2 A = π 4 ( 500 mm × 1 m 1000 mm

Munson, Young and Okiishi's Fundamentals of Fluid Mechanics, Binder Ready Version

8th Edition

ISBN: 9781119080701

Author: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein

Publisher: WILEY

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Chapter 8.3, Problem 27P

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Magnitude of Reynolds number and type of flow.

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Chapter 8.2, Problem 26P

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Munson, Young and Okiishi's Fundamentals of Fluid Mechanics, Binder Ready Version

Ch. 8.1 - Prob. 1P Ch. 8.1 - Rainwater runoff from a parking lot flows through...Ch. 8.1 - Blue and yellow streams of paint at 60 °F (each...Ch. 8.1 - Air at 200 °F flows at standard atmospheric...Ch. 8.1 - To cool a given room it is necessary to supply 4...Ch. 8.1 - Prob. 6P Ch. 8.1 - Prob. 7P Ch. 8.1 - (See The Wide World of Fluids article titled...Ch. 8.2 - For fully developed laminar pipe flow in a...Ch. 8.2 - Prob. 10P

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