CONVECTION
CONVECTION
The primary heat transfer mechanisms between liquids and gases are convection and radiation. Convection involves the transfer of heat through the motion of the fluids themselves, while radiation involves the transfer of heat through electromagnetic waves. Both mechanisms are important in processes like boiling, condensation, and atmospheric heat exchange.
This transfer of heat is called convection.
The transfer of heat through a fluid (liquid or gas) caused by molecular motion.
Heat transfer occurs whenever two or more objects of different temperatures are in contact with each other. Spilling hot water on yourself causes heat transfer from the water to you. When you drive your car the hot engine and radiator transfer heat to the surrounding air in order to cool the engine.
Convection is the transfer of heat through a fluid (liquid or gas) caused by molecular motion. As the fluid is heated, its molecules move faster and spread apart, becoming less dense. This creates convection currents that transport heat throughout the fluid.
Heat transfer by convection requires a fluid (liquid or gas) to transfer heat. The fluid circulates due to temperature differences, carrying heat from one place to another. Convection is more efficient in fluids compared to solids because molecules in fluids can easily move and transfer heat through their motion.
Convection. It is the transfer of heat through the movement of fluids such as liquids and gases. Heat is carried from one place to another by the circulating motion of the fluid.
Conduction: Transfer of heat in solids Convection: Transfer of heat in liquid and gases (convection currents are the motion of which the heat travels in, see hot air balloon's) Radiation: Transfer of heat through vacuum (space i.e no particles)
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The transfer of energy through a liquid or gas by the motion of currents is called convection. This process occurs when warmer, less dense fluid rises and cooler, denser fluid sinks, creating a circular motion that transfers heat. Convection is an important mechanism for distributing heat in fluids.
Kinetic theory and Heat transfer are both in motion, in Kinetic theory all states of matter are in vigorous motion and Heat transfer is associated with the motion of atoms or molecules.