A 6 cm diameter cylinder is initially at a temperature of 10 °C. Later, this cylinder was thrown into water at 80°C. Calculate how long it will take for the center temperature of the cylinder to reach...

A 6 cm diameter cylinder is initially at a temperature of 10 °C. Later, this<br>cylinder was thrown into water at 80°C. Calculate how long it will take for the<br>center temperature of the cylinder to reach 50 °C by taking the convection heat<br>transfer coefficient as 80W / /m?K.<br>Thermal properties of the cylinder material<br>k=0,587 W/m°C<br>wwww<br>a = 0,13 x10 * m /s<br>attachments<br>Heisler diagrams for cylinder<br>1.0<br>F100<br>50<br>30<br>12<br>0.7<br>0.5<br>0.4<br>0.3<br>0.2<br>2.5 3.0<br>0.1<br>3<br>02<br>B hr<br>0.07<br>0.05<br>0.04<br>0.03<br>0,02<br>0.007<br>0.005<br>0.004<br>0.00<br>0.002<br>0.001<br>! 2 3<br>468 101214 16 18 20 22 24 26 28 30 40 50 60 70 B0 90100 115 130 150200 300<br>kenle)= Fo<br>1.0<br>0.2<br>0.9<br>0.8 0.4<br>0.7<br>0.6<br>0.6<br>0.5<br>0.4<br>0.3 0.8<br>0.2<br>0.9<br>0.1<br>1.0<br>8.01 0.02 0.05 0.1 O.2<br>0.5 1.0 2 3 5 10 20<br>CA/hr)- Bi<br>50 100<br>T-T<br>

Extracted text: A 6 cm diameter cylinder is initially at a temperature of 10 °C. Later, this cylinder was thrown into water at 80°C. Calculate how long it will take for the center temperature of the cylinder to reach 50 °C by taking the convection heat transfer coefficient as 80W / /m?K. Thermal properties of the cylinder material k=0,587 W/m°C wwww a = 0,13 x10 * m /s attachments Heisler diagrams for cylinder 1.0 F100 50 30 12 0.7 0.5 0.4 0.3 0.2 2.5 3.0 0.1 3 02 B hr 0.07 0.05 0.04 0.03 0,02 0.007 0.005 0.004 0.00 0.002 0.001 ! 2 3 468 101214 16 18 20 22 24 26 28 30 40 50 60 70 B0 90100 115 130 150200 300 kenle)= Fo 1.0 0.2 0.9 0.8 0.4 0.7 0.6 0.6 0.5 0.4 0.3 0.8 0.2 0.9 0.1 1.0 8.01 0.02 0.05 0.1 O.2 0.5 1.0 2 3 5 10 20 CA/hr)- Bi 50 100 T-T

Jun 11, 2022

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A 6 cm diameter cylinder is initially at a temperature of 10 °C. Later, this cylinder was thrown into water at 80°C. Calculate how long it will take for the center temperature of the cylinder to reach...

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