In a liquid, heat is transferred mainly by :


In a liquid, heat is transferred mainly by conduction and convection both.

Heat transfer

According to thermodynamic systems, heat transfer is defined as the movement of heat across the border of the system due to a difference in temperature between the system and its surroundings. Heat can move from one location to another in a variety of ways. The following are the various heat transfer modes:

  • Conduction – The process in which heat flows from objects with higher temperature to objects 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 carry away the energy from the emitting body. Radiation takes place through a vacuum or transparent medium which can be either solid or liquid.

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