Question

Question 12 10 pts For 0.15 m/s of glycerin at 40°C (sg = 1.26, dyn viscosity = 0.3 Paos from ApxD) flowing in the chamber outside of the square tubes as shown in the figure. Determine the Reynolds number. Both 200 mm square outside - 400 mm hs - 600 mm NT NE

Answer 1

giron dato 9 = 0.15 moisec sig = 1.26 - S = 1960 kg/m3. U= 0.3 pa-s. .. Re: SVDH Q = AVEO - All I Now, . . Kocomm → Ac = Arotal - 2 Caoqueen so o Ac = A total - 9 (Asquare) D o [70 sche toute ') + 600x400 - 2x200x200 = x uoro + 6cox quo-2x200x200 42 = 285*10% mom? → Ac = 0.28566 m?! 1. Re=Q8 UAE DHE U Ac . PACO welted Reaga pa perimeter pul P = Pout + Pin = 2x600.+ $* AD + 2x4.7200 P=1200 + ax4c10+ 1600 + p =9056.63 mm • Res 4x 1260x0.15... 9.0566 x 0.3 Re = 62120 Scanned with CamScanner