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1
Thermal balance is written: \[ C(t_1 - t_0) = \lambda \rho S H\] |
0.40 |
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| 2 \[t_1 = t_0 + \frac{\lambda \rho S H}{C} \] | 0.30 |
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| 3 \[t_1 = 100^\circ\text{C}\] | 0.30 |
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1
Thermal balance is written: \[ \alpha (t-t_0) = \lambda \rho S v\] |
0.50 |
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2
It's written that \[ \frac{t_2-t_0}{t_1 - t_0} = \frac{v_2}{v_0} \]or \[\alpha = 0.0594~\text{W}/^\circ\text{C}\] |
0.20 |
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3
Thermal balance is written: \[ C (t_1-t) = \lambda \rho S h\] |
0.40 |
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| 4 \[ \frac{t_1-t}{t_1 - t_0} = \frac{h}{H} \] | 0.10 |
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5
It's obtained \[t_2 = t_1 - \frac{2}{3} (t_1 - t_0) = 33.3^\circ\text{C}\] |
0.30 |
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| 6 \[v_0 = 3 v_2 \] | 0.30 |
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| 7 \[v_0 = 0.3~\text{mm}/\text{s}\] | 0.20 |
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