Question

8.1 A 4-in-ductile iron pipe carries 0.20 ft3/s of glycerin (sg = 1.26) at 100°F. Is the flow laminar or turbulent? 8.14 At approximately what volume flow rate will propyl alcohol at 77°F become turbulent when flowing in a 3-in Type K copper tube?

Answer 1

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Page no. Date 8.1 Albbly continuity equation 3- AXV. 0 - 0.20643/s. Pglycerine = fwater XSG = 62.4 x 1.26 : 78.624 / A² Area (A): 2 ( ) A = 0.0873 64 @ 0-20 = 0.0873 X V V=2-2909 A/S Reynolds Numbea =PVD Н • 78.624 X 2.2909x %) 0-25125 239 The flew is laminar because Reynolds No. is less than 2000,