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3 August, 05:59

Describe the differences between convection and thermal radiation.

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  1. 3 August, 09:29
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    Convection needs a fluid to transport the heat, while radiation doesn't.

    Generally convection transports a lot more heat than radiation.

    Since fluids tend to expand, when in a gravitational field such as that of Earth convection tends to move heat upwards while radiation is indifferent to gravity.
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