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hram777 [196]
3 years ago
14

Temperature of 273K is the temperature at which water

Physics
1 answer:
hjlf3 years ago
5 0

Explanation:

273 K is 0 °C, the temperature at which water melts/freezes.

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The heat flux for a given wall is in the x-direction and given as q^n = 11 W/m^2, the walls thermal conductivity is 1.7 W/mK and
MrMuchimi

Answer:

\frac{dT}{dx} = 6.47 ^oC/m

Also as we can see the equation that heat flux directly depends on the temperature gradient so more is the temperature gradient then more will be the heat flux.

For positive temperature gradient the heat will flow outwards while for negative temperature gradient the heat will flow inwards

Explanation:

As we know that heat flux is given by the formula

q^n = K\frac{dT}{dx}

here we know that

K = thermal conductivity

\frac{dT}{dx} = temperature gradient

now we know that

q^n = 11 W/m^2

also we know that

K = 1.7 W/mK

now we have

11 = 1.7 \frac{dT}{dx}

so temperature gradient is given as

\frac{dT}{dx} = \frac{11}{1.7} = 6.47 K/m

also in other unit it will be same

\frac{dT}{dx} = 6.47 ^oC/m

Also as we can see the equation that heat flux directly depends on the temperature gradient so more is the temperature gradient then more will be the heat flux.

For positive temperature gradient the heat will flow outwards while for negative temperature gradient the heat will flow inwards

5 0
3 years ago
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