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Theory

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Procedure

Simulation

Posttest

References

Contributors

Feedback

Heat transfer in combined Mode

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The radiative heat transfer coefficient is given by

a:

h_r = \sigma \epsilon (T - T_f)(T^2 + T_f^2)

Explanation

Explanation

b:

h_r = \sigma \epsilon (T + T_f)(T^2 - T_f^2)

Explanation

Explanation

c:

h_r = \sigma \epsilon (T + T_f)(T^2 + T_f^2)

Explanation

Explanation

d:

h_r = \sigma \epsilon (T - T_f)(T^2 - T_f^2)

Explanation

Explanation

The radiative heat transfer coefficient for composite bodies is given by

a:

h_r = 4s \ c \ T^3_f

Explanation

Explanation

b:

h_r = 3s \ c \ T^2_f

Explanation

Explanation

c:

h_r = -4s \ c \ T^3_f

Explanation

Explanation

d:

h_r = -3s \ c \ T^2_f

Explanation

Explanation

The combine (radiative and convective) heat transfer coefficient is given by

a:

\frac{1}{h_cA} = \frac{1}{h_rA} + \frac{1}{hA}

Explanation

Explanation

b:

\frac{1}{h_cA} = \frac{h_rA}{hA}

Explanation

Explanation

c:

\frac{1}{h_cA} = \frac{hA}{h_rA}

Explanation

Explanation

d:

\frac{1}{h_cA} = \frac{1}{h_rA} - \frac{1}{hA}

Explanation

Explanation

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