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Air is flowing at 35°F with a velocity of 12 ft/s over a plate 10 ft long and 2 ft wide. The plate is at room temperature. Determine the coefficients of local friction, heat transfer coefficient and heat transfer rate of the plate at 1 ft intervals along the length. Plot on the same graph the results as a function of distance from the leading edge, the graph will be reviewed. The table of thermal properties of air is on the platform. Report in the following boxes your results for a length of 5 ft.

Air is flowing at 35°F with a velocity of 12 ft/s over a plate 10 ft long and 2 ft wide. The plate is at room temperature. Determine the coefficients of local friction, heat transfer coefficient and heat transfer rate of the plate at 1 ft intervals along the length. Plot on the same graph the results as a function of distance from the leading edge, the graph will be reviewed. The table of thermal properties of air is on the platform. Report in the following boxes your results for a length of 5 ft.

Elements Of Electromagnetics
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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Air is flowing at 35°F with a velocity of 12 ft/s over a plate 10 ft long and 2 ft wide. The plate is at room temperature. Determine the coefficients of local friction, heat transfer coefficient and heat transfer rate of the plate at 1 ft intervals along the length. Plot on the same graph the results as a function of distance from the leading edge, the graph will be reviewed.

The table of thermal properties of air is on the platform.

Report in the following boxes your results for a length of 5 ft.

Fluye aire a 35°F con una velocidad de a 12 ft/s sobre una placa de 10 ft de longitud y 2 ft de ancho. La placa se encuentra a temperatura ambiente. Determine los coeficientes de fricción local, de transferencia de calor y la tasa de transferencia de calor de la placa a intervalos de 1 ft a lo largo de la longitud. Grafique en un mismo gráfico los resultados en función de la distancia del borde de ataque, se revisará la gráfica. La tabla de propiedades térmicas del aire se encuentra en plataforma. Reporte en las siguientes casillas sus resultados para una longitud de 5 ft. C; = hsft |BTU/hft °F BTU/h
Transcribed Image Text:Fluye aire a 35°F con una velocidad de a 12 ft/s sobre una placa de 10 ft de longitud y 2 ft de ancho. La placa se encuentra a temperatura ambiente. Determine los coeficientes de fricción local, de transferencia de calor y la tasa de transferencia de calor de la placa a intervalos de 1 ft a lo largo de la longitud. Grafique en un mismo gráfico los resultados en función de la distancia del borde de ataque, se revisará la gráfica. La tabla de propiedades térmicas del aire se encuentra en plataforma. Reporte en las siguientes casillas sus resultados para una longitud de 5 ft. C; = hsft |BTU/hft °F BTU/h
TABLA A-15 Propiedades del aire a la presión de 1 atm Calor Conductividad Difusividad térmica, a, m/s? Viscosidad Viscosidad Número Temp., Densidad, especifico, térmica, dinámica, cinemática, de Prandti, Pr T, °C P, kg/m C, J/kg - K k, W/m - K H, kg/m - s v, m/s 4.158 x 10-6 8.036 x 10 6 1.252 x 10-5 1.356 x 10-5 1.465 x 10-5 1.578 x 10-5 1.696 x 10-5 1.818 x 10-5 1.880 x 10-5 1.944 x 10-5 2.009 x 10-5 2.074 x 10-5 2.141 x 10-5 8.636 x 10-6 1.189 x 10 6 1.474 x 10- 1.527 x 10-5 1.579 x 10-5 1.630 x 10-5 1.680 x 10-5 1.729 x 10-5 1.754 x 10-5 1.778 x 10-5 1.802 x 10-5 1.825 x 10-5 1.849 x 10- 1.872 x 10-5 1.895 x 10 1.918 x 10-5 1.941 x 10-5 1.963 x 10-5 3.013 x 10-6 5.837 x 10 6 9.319 x 10-6 1.008 x 10-5 1.087 x 10-5 1.169 x 10-5 1.252 x 10-5 1.338 x 10-5 1.382 x 10-5 1.426 x 10-5 1.470 x 10-5 1.516 x 10-5 1.562 x 10-5 1.608 x 10-5 1.655 x 10 5 1.702 x 10-5 1.750 x 10-5 1.798 x 10-5 1.896 x 10-5 1.995 x 10 5 2.097 x 10-s 2.201 x 10-5 2.306 x 10-5 2.522 x 10-5 2.745 x 10-5 2.975 x 10-5 3.212 x 10-s 3.455 x 10S 4.091 x 10-s 4.765 x 10-5 5.475 x 10-5 6.219 x 10-5 6.997 x 10 5 7.806 x 10-5 9.515 x 10-s 1.133 x 10-4 1.326 x 10-4 1.529 x 10 4 1.741 x 10-4 2.922 x 10-4 4.270 x 10-4 -150 2.866 983 0.01171 0.7246 -100 2.038 966 0.01582 0.7263 -50 1.582 999 0.01979 0.7440 1 002 1 004 1 005 1 006 1 006 1 006 1 006 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 008 1 008 1 009 1011 -40 -30 1.514 0.02057 0.7436 1.451 0.02134 0.7425 -20 1.394 0.02211 0.7408 -10 1.341 0.02288 0.02364 0.7387 1.292 0.7362 1.269 0.02401 0.7350 10 1.246 0.02439 0.7336 15 1.225 0.02476 0.7323 20 1.204 0.02514 0.7309 25 1.184 0.02551 0.7296 2.208 x 10-5 2.277 x 10-5 2.346 x 10-s 2.416 x 10-5 2.487 x 10-5 2.632 x 10-5 2.780 x 10 2.931 x 10-5 3.086 x 10-s 3.243 x 10-5 3.565 x 10-5 3.898 x 10-5 4.241 x 10-5 4.593 x 10-5 4.954 x 10-5 5.890 x 10-5 6.871 x 10-5 7.892 x 10-5 8.951 x 10-5 1.004 x 104 1.117 x 10-4 1.352 x 10-4 1.598 x 10-4 1.855 x 10-4 2.122 x 104 2.398 x 10-4 3.908 x 10-4 5.664 x 10-4 30 1.164 0.02588 0.7282 35 1.145 0.02625 0.7268 40 1.127 0.02662 0.7255 45 1.109 1.092 0.02699 0.7241 50 0.02735 0.7228 2.008 x 10-5 2.052 x 10 5 2.096 x 10-5 2.139 x 10-5 2.181 x 10- 2.264 x 10- 2.345 x 10-5 2.420 x 10-5 2.504 x 10-5 2.577 x 10 5 2.760 x 10-5 2.934 x 10-5 3.101 x 10-5 3.261 x 10-5 3.415 x 105 3.563 x 10-5 60 1.059 0.02808 0.7202 70 1.028 0.02881 0.7177 80 0.9994 0.02953 0.7154 90 0.9718 0.03024 0.7132 0.7111 100 0.9458 0.03095 120 0.8977 0.03235 0.7073 0.8542 0.8148 140 1013 0.03374 0.7041 1016 1019 1 023 1 033 160 0.03511 0.7014 180 0.7788 0.03646 0.6992 200 0.7459 0.03779 0.6974 250 0.6746 0.04104 0.6946 300 0.6158 1044 0.04418 0.6935 1 056 1 069 1 081 1 093 350 0.5664 0.04721 0.6937 400 0.5243 0.05015 0.6948 450 0.4880 0.05298 0.6965 500 600 700 0.4565 0.05572 0.6986 3.846 x 10-5 4.111 x 10-5 4.362 x 10-5 4.600 x 10 5 4.826 x 10-5 5.817 x 10-5 6.630 x 10-5 0.4042 1115 0.06093 0.7037 0.3627 1135 0.06581 0.7092 1153 1 169 1 184 1 234 1 264 800 0.3289 0.07037 0.7149 0.3008 0.2772 900 0.07465 1 000 1 500 2 000 0.7206 0.7260 0.7478 0.7539 0.07868 0.1990 0.09599 0.1553 0.11113 Nota: Para los gases ideales, las propiedades c, k y Pr son independientes de la presión. Las propiedades p, vya a una presión P(en atm) diferente de l atm se determiran al mltinlirar ne ualines de a aa temrerahira tarta nor Pv al divirtir va entre P
Transcribed Image Text:TABLA A-15 Propiedades del aire a la presión de 1 atm Calor Conductividad Difusividad térmica, a, m/s? Viscosidad Viscosidad Número Temp., Densidad, especifico, térmica, dinámica, cinemática, de Prandti, Pr T, °C P, kg/m C, J/kg - K k, W/m - K H, kg/m - s v, m/s 4.158 x 10-6 8.036 x 10 6 1.252 x 10-5 1.356 x 10-5 1.465 x 10-5 1.578 x 10-5 1.696 x 10-5 1.818 x 10-5 1.880 x 10-5 1.944 x 10-5 2.009 x 10-5 2.074 x 10-5 2.141 x 10-5 8.636 x 10-6 1.189 x 10 6 1.474 x 10- 1.527 x 10-5 1.579 x 10-5 1.630 x 10-5 1.680 x 10-5 1.729 x 10-5 1.754 x 10-5 1.778 x 10-5 1.802 x 10-5 1.825 x 10-5 1.849 x 10- 1.872 x 10-5 1.895 x 10 1.918 x 10-5 1.941 x 10-5 1.963 x 10-5 3.013 x 10-6 5.837 x 10 6 9.319 x 10-6 1.008 x 10-5 1.087 x 10-5 1.169 x 10-5 1.252 x 10-5 1.338 x 10-5 1.382 x 10-5 1.426 x 10-5 1.470 x 10-5 1.516 x 10-5 1.562 x 10-5 1.608 x 10-5 1.655 x 10 5 1.702 x 10-5 1.750 x 10-5 1.798 x 10-5 1.896 x 10-5 1.995 x 10 5 2.097 x 10-s 2.201 x 10-5 2.306 x 10-5 2.522 x 10-5 2.745 x 10-5 2.975 x 10-5 3.212 x 10-s 3.455 x 10S 4.091 x 10-s 4.765 x 10-5 5.475 x 10-5 6.219 x 10-5 6.997 x 10 5 7.806 x 10-5 9.515 x 10-s 1.133 x 10-4 1.326 x 10-4 1.529 x 10 4 1.741 x 10-4 2.922 x 10-4 4.270 x 10-4 -150 2.866 983 0.01171 0.7246 -100 2.038 966 0.01582 0.7263 -50 1.582 999 0.01979 0.7440 1 002 1 004 1 005 1 006 1 006 1 006 1 006 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 007 1 008 1 008 1 009 1011 -40 -30 1.514 0.02057 0.7436 1.451 0.02134 0.7425 -20 1.394 0.02211 0.7408 -10 1.341 0.02288 0.02364 0.7387 1.292 0.7362 1.269 0.02401 0.7350 10 1.246 0.02439 0.7336 15 1.225 0.02476 0.7323 20 1.204 0.02514 0.7309 25 1.184 0.02551 0.7296 2.208 x 10-5 2.277 x 10-5 2.346 x 10-s 2.416 x 10-5 2.487 x 10-5 2.632 x 10-5 2.780 x 10 2.931 x 10-5 3.086 x 10-s 3.243 x 10-5 3.565 x 10-5 3.898 x 10-5 4.241 x 10-5 4.593 x 10-5 4.954 x 10-5 5.890 x 10-5 6.871 x 10-5 7.892 x 10-5 8.951 x 10-5 1.004 x 104 1.117 x 10-4 1.352 x 10-4 1.598 x 10-4 1.855 x 10-4 2.122 x 104 2.398 x 10-4 3.908 x 10-4 5.664 x 10-4 30 1.164 0.02588 0.7282 35 1.145 0.02625 0.7268 40 1.127 0.02662 0.7255 45 1.109 1.092 0.02699 0.7241 50 0.02735 0.7228 2.008 x 10-5 2.052 x 10 5 2.096 x 10-5 2.139 x 10-5 2.181 x 10- 2.264 x 10- 2.345 x 10-5 2.420 x 10-5 2.504 x 10-5 2.577 x 10 5 2.760 x 10-5 2.934 x 10-5 3.101 x 10-5 3.261 x 10-5 3.415 x 105 3.563 x 10-5 60 1.059 0.02808 0.7202 70 1.028 0.02881 0.7177 80 0.9994 0.02953 0.7154 90 0.9718 0.03024 0.7132 0.7111 100 0.9458 0.03095 120 0.8977 0.03235 0.7073 0.8542 0.8148 140 1013 0.03374 0.7041 1016 1019 1 023 1 033 160 0.03511 0.7014 180 0.7788 0.03646 0.6992 200 0.7459 0.03779 0.6974 250 0.6746 0.04104 0.6946 300 0.6158 1044 0.04418 0.6935 1 056 1 069 1 081 1 093 350 0.5664 0.04721 0.6937 400 0.5243 0.05015 0.6948 450 0.4880 0.05298 0.6965 500 600 700 0.4565 0.05572 0.6986 3.846 x 10-5 4.111 x 10-5 4.362 x 10-5 4.600 x 10 5 4.826 x 10-5 5.817 x 10-5 6.630 x 10-5 0.4042 1115 0.06093 0.7037 0.3627 1135 0.06581 0.7092 1153 1 169 1 184 1 234 1 264 800 0.3289 0.07037 0.7149 0.3008 0.2772 900 0.07465 1 000 1 500 2 000 0.7206 0.7260 0.7478 0.7539 0.07868 0.1990 0.09599 0.1553 0.11113 Nota: Para los gases ideales, las propiedades c, k y Pr son independientes de la presión. Las propiedades p, vya a una presión P(en atm) diferente de l atm se determiran al mltinlirar ne ualines de a aa temrerahira tarta nor Pv al divirtir va entre P
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