Heat Transfer That Involves Mass Movement Is

Heat transfer through convection occurs other through diffusion or advection or both. Suppose one end of a metallic rod is put in a flame the other end of the rod will soon be hot.

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This process results in Gram-positive.

. Convection is the process of heat transfer in which transfer of heat energy occurs by the mass movement of molecules of the fluids like gases and liquids. This process involves applying a crystal violet dye to heat-fixed bacteria adding iodide to trap the dye to the peptidoglycan layer washing the culture with ethanol or acetone to remove the lipopolysaccharide membrane in Gram-negative bacteria and finally applying a counterstain to visualize the Gram-negative bacteria. Gases and liquids are not a good conductor of heat under normal conditions but they can easily transfer heat.

It was known then thanks to Joule that heat is generated in a conductor through the effect of an electric current but how. The modern most common way of writing the relation given by the law involves the generated power P instead of the heat and time. It is the mechanism of transfer of heat between two adjacent parts of a body because of their temperature difference.

Electric current is no more than the flow. Here heat transfer takes place by conduction from the hot end of the rod through its different parts to the other. Modes of Heat Transfer.

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