Question
Question: In a liquid heat, is especially transferred by:...
In a liquid heat, is especially transferred by:
Solution
Heat is the sort of energy that's transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system). It's also mentioned as heat or thermal energy. Heat is usually measured in Btu, calories or joules.
Complete step by step solution:
In a liquid, heat is transferred mainly by conduction and convection both.
In fluids, heat is usually transferred by convection, during which the motion of the fluid itself carries heat from one place to another . Differentiation to transfer heat is by conduction, which doesn't involve any motion of a substance, but rather may be a transfer of energy within a substance (or between substances in contact).
Heat transfer
According to thermodynamic systems, heat transfer is defined as the movement of warmth across the border of the system thanks to a difference in temperature between the system and its surroundings. Heat can move from one location to a different location in a sort of way. the subsequent are the varied heat transfer modes:
Conduction – the method during which heat flows from objects with higher temperature to things with lower temperature
Convection – The movement of fluid molecules from higher temperature regions to lower temperature regions.
Radiation – Thermal radiation is generated by the emission of electromagnetic waves. These waves take away the energy from the emitting body. Radiation takes place through a vacuum or transparent medium which may be either solid or liquid.
Note:
The transfer of warmth by the movement of a fluid is named convection. Radiation, conduction, and convection work together to heat the troposphere. Air near the surface is warmed by conduction of warmth from the surface to the air. Within the troposphere, heat is transferred mostly by convection.