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Engineering, 28.01.2020 07:31 tfraz4412

The variation in the dynamic viscosity of a newtonian solvent for lignin pretreatment is measured and tabulated below at different temperatures. 0.24 0.57 1.53 5.02 22.44 159.51 viscosity (pa. s) temperature (k) 333 303 294 284 cbe 240 homework assignment #1 spring 2020 if the velocity distribution of the solvent is given by v = 0.02 m/s, where r denotes the radius of the pipe, a determine the shear stress and shear force exerted by the fluid at the pipe wall at all the temperatures for which the viscosity data is available. assuming that the solvent has identical density as water at the given temperatures, b) determine the corresponding reynolds numbers at each temperature. assume a schedule 40 steel pipe of nominal pipe size 2. [hint: pipe dimensions and sizes provided in appendix a.5-1 of the class text may be useful. also, use the maximum velocity from the provided profile to calculate the reynolds numbers.] [15 points a.3-1 dimensions of standard steel pipe nomina! pipe outside diameter wall sched thickness ule numberin. mm inside diameter inside cross- sectional area size (in.) in mm in. mm ft? mx 104 0.405 10.29 4 0 80 0.540 13.72 -12 mon 0.675 17.15 80 40 80 0.840 21.34 40 80 1.050 26.67 1.315 33.40 40 80 40 11 1.660 42.16 1.900 48.26 80 2.375 60.33 0.068 1.73 0.269 6.83 0.00040 0.095 2.41 0.215 5.46 0.00025 0.088 2.24 0.364 9.25 0.00072 0.119 3.02 0.302 7.67 0.00050 0.091 2.31 0.493 12.52 0.00133 0.126 3.20 0.423 10.74 0.00098 0.109 2.77 0.622 15.80 0.00211 0.147 3.73 0.546 13.87 0.00163 0.113 2.87 0.824 20.93 0.00371 0.154 3.91 0.742 18.85 0.00300 0.133 3.38 1.049 26.64 0.00600 0.179 4.45 0.957 24.31 0.00499 0.140 3.56 1.380 35.05 0.01040 0.1914.85 1.278 32.46 0.00891 0.145 3.68 1.610 40.89 0.01414 0.200 5.08 1.500 38.10 0.01225 0.154 3.91 2.067 52.50 0.02330 0.218 5.54 1.939 49.25 0.02050 0.203 5.16 2.469 62.71 0.03322 0.276 7.01 2.323 59.00 0.02942 0.216 5.49 3.068 77.92 0.05130 0.300 7.62 2.900 73.66 0.04587 0.226 5.74 3.548 90.12 0.06870 0.318 8.08 3.364 85.45 0.06170 0.237 6.02 4.026 102.3 0.08840 0.337 8.56 3.826 97.18 0.07986 0.258 6.55 5.047 128.2 0.1390 0.375 9.53 4.813 122.3 0.1263 0.280 7.11 6.065 154. 1 0.2006 0.432 10.97 5.761 146.3 0.1810 0.322 8.18 7.981 202.7 0.3474 0.500 12.70 7.625 193.7 0.3171 0.3664 0.2341 0.6720 0.4620 1.231 0.9059 1.961 1.511 3.441 2.791 5.574 4.641 9.648 8.275 13.13 11.40 21.65 19.05 30.89 27.30 47.69 42.61 63.79 57.35 82.19 74.17 129.1 117.5 186.5 168.1 322.7 294.7 25 2.875 2.0 73.03 3.500 88.90 4.000 101.6 4.500 114.3 5.563 141.3 80 6.625 168.3 8.625 219.1 40 80

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