Saturated liquid ammonia is entering a 50 cm diameter 10-m long pipe at a steady 0.1 kg/s mass flow rateand a mean temperature of 0°C. It is exiting the pipe as saturated vapor at a mean temperature of 0°C.(a) What is the Reynolds number and flow regime at the beginning and at the end of the pipe?(b) If the surface temperature of the pipe can be assumed to be constant at 15°C in this section, whatis the average convection coefficient of the ammonia flow?(a) 1343; 27075(b) 553.6 W/m2K Properties of saturated ammoniaDensityp, kg/m³SaturationTemp. PressureT, °C P, kPa Liquid VaporSpecificHeatVaporization Cp, J/kg.KEnthalpyofhfg, kJ/kg Liquid VaporThermalConductivityk, W/m.KLiquidDynamic Viscosityμ, kg/m.sVapor-40 71.66 690.2 0.6435 1389 4414 22420.01792 2.926 x 10-4-30 119.4 677.8 1.037 1360 4465 23220.01898 2.630 x 10-4-25 151.5 671.5 1.296 13454489 2369 0.5968 0.01957 2.492 x 10-4-20 190.1 665.1 1.603 1329 4514 2420 0.5853 0.02015 2.361 × 10-4-15 236.2 658.6 1.966 1313 4538 2476 0.5737 0.02075 2.236 x 10-4-10 290.8 652.1 2.391 1297 4564 2536 0.5621 0.02138 2.117 x 10-4-5 354.9 645.4 2.886 1280 4589 2601 0.5505 0.02203 2.003 x 10-40 429.6 638.6 3.458 1262 4617 2672 0.5390 0.02270 1.896 x 10-45 516 631.7 4.116 1244 4645 2749 0.5274 0.02341 1.794 x 10-410 615.3 624.6 4.870 1226 4676 2831 0.5158 0.02415 1.697 x 10-415 728.8 617.5 5.729 1206 4709 2920 0.5042 0.02492 1.606 x 10-420 857.8 610.2 6.705 1186 4745 3016 0.4927 0.02573 1.519 x 10-425 1003 602.8 7.809 1166 4784 3120 0.4811 0.02658 1.438 x 10-430 1167 595.2 9.055 1144 4828 3232 0.4695 0.02748 1.361 x 10-435 1351 587.4 10.46 1122 4877 3354 0.4579 0.02843 1.288 x 10-440 1555 579.4 12.0310994932 3486 0.4464 0.02943 1.219 x 10-445 1782 571.3 13.8 1075 4993 3631 0.4348 0.03049 1.155 x 10-450 2033 562.9 15.78 1051 5063 3790 0.4232 0.03162 1.094 x 10-455 2310 554.2 18.00 1025 5143 3967 0.4116 0.03283 1.037 x 10-460 2614 545.2 20.48 997.4 5234 4163 0.4001 0.03412 9.846 x 10-565 2948 536.0 23.26 968.9 5340 4384 0.3885 0.03550 9.347 × 10-570 3312 526.3 26.39 939.0 5463 4634 0.3769 0.03700 8.879 x 10-575 3709 516.2 29.90 907.5 5608 4923 0.3653 0.03862 8.440 x 10-580 4141 505.7 33.87 874.1 5780 5260 0.3538 0.04038 8.030 x 10-585 4609 494.5 38.36 838.6 5988 5659 0.3422 0.04232 7.646 x 10-590 5116 482.8 43.48 800.6 6242 6142 0.3306 0.04447 7.284 x 10-595 5665 470.2 49.35 759.8 6561 6740 0.3190 0.04687 6.946 x 10-5100 6257 456.6 56.15 715.5 6972 7503 0.3075 0.04958 6.628 x 10-5LiquidVapor7.957 x 10-68.311 x 10-68.490 x 10-68.669 x 10-68.851 x 10-69.034 x 10-69.218 x 10-69.405 x 10-69.593 x 10-69.784 x 10-69.978 x 10-61.017 x 10-51.037 x 10-51.057 x 10-51.078 x 10-51.099 x 10-51.121 x 10-51.143 x 10-51.166 x 10-51.189 x 10-51.213 x 10-51.238 x 10-51.264 x 10-51.292 x 10-51.322 x 10-51.354 x 10-51.389 x 10-51.429 x 10-5PrandtlNumberPrVolumeExpansionCoefficientB, I/KLiquidLiquid Vapor0.99551.0171.875 1.0281.821 1.0411.769 1.0561.718 1.0721.670 1.0891.624 1.1071.580 1.1261.539 1.1471.500 1.1691.463 1.1931.430 1.2181.399 1.2441.372 1.2721.347 1.3031.327 1.3351.310 1.3711.297 1.4091.288 1.4521.285 1.4991.287 1.5511.296 1.6121.312 1.6831.338 1.7681.375 1.8711.429 1.9991.503 2.163Note 1: Kinematic viscosity and thermal diffusivity a can be calculated from their definitions, v = μ/p and a =vapor density) can be used at any pressures with negligible error except at temperatures near the critical-point value.Note 2: The unit kJ/kg-°C for specific heat is equivalent to kJ/kg-K, and the unit W/m-°C for thermal conductivity is equivalent to W/m.K.SurfaceTension,N/m0.00176 0.035650.00185 0.033410.00190 0.032290.00194 0.031180.00199 0.030070.00205 0.028960.00210 0.027860.00216 0.026760.00223 0.025660.00230 0.024570.00237 0.023480.00245 0.022400.00254 0.021320.00264 0.020240.00275 0.019170.00287 0.018100.00301 0.017040.00316 0.015980.00334 0.014930.00354 0.013890.00377 0.012850.00404 0.011810.00436 0.010790.00474 0.009770.00521 0.008760.00579 0.007760.00652 0.006770.00749 0.00579k/pcp = v/Pr. The properties listed here (except the

It is given that Diameter of pipe (d)= 50 cm = 0.50 m length of pipe (L)= 10 m mass flow rate m.=…

What is the Reynolds number and flow regime at the beginning and at the end of the pipe? If the surface temperature of the pipe can be assumed to be constant at 15°C in this section, what is the average convection coefficient of the ammonia flow?

What is the Reynolds number and flow regime at the beginning and at the end of the pipe? If the surface temperature of the pipe can be assumed to be constant at 15°C in this section, what is the average convection coefficient of the ammonia flow?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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