Convection | Definition, Examples, Types, & Facts | Britannica
网页2024年9月5日 · convection, process by which heat is transferred by movement of a heated fluid such as air or water. Natural convection results from the tendency of most fluids to expand when heated—i.e., to become less dense and to rise as a …
Convection - Wikipedia
网页Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy). When the cause of the convection is unspecified, convection due to the effects of thermal expansion and buoyancy can be …
What Is Convection? - Heat Definition, Types of Convection, …
网页Convection is the process of heat transfer by the bulk movement of molecules within fluids such as gases and liquids. The initial heat transfer between the object and the fluid takes place through conduction, but the bulk heat …
Convection – The Physics Hypertextbook
网页Convection is the transfer of internal energy into or out of an object by the physical movement of a surrounding fluid that transfers the internal energy along with its mass. Although the heat is initially transferred between the object and the fluid by conduction, the bulk transfer of energy comes from the motion of the fluid.
Convection: Definition and Examples - Science Facts
网页2023年1月2日 · Convection is the heat transfer process from one region to another due to the movement of fluids like air or water. The initial heat transfer occurs through conduction, but the primary transfer occurs through convection. It is the dominant form of heat transfer in liquids and gases.
13 Examples Of Convection In Everyday Life - StudiousGuy
网页Convection refers to the process of transfer of heat or energy through a fluid (gas or liquid) from high temperature to low temperature. Convection is one of the three types of heat transfer; the other two being radiation and conduction.
Convection - Energy Education
网页Convection is a way for heat to move, also referred to as a heat transfer mechanism. This transfer of heat happens when a fluid such as air or water is in motion. Convection is driven by temperature differences across that fluid.
Convection - Heat transfer - CCEA - GCSE Physics (Single Science …
网页Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy.
14.6: Convection - Physics LibreTexts
网页2022年2月20日 · Convection is heat transfer by the macroscopic movement of mass. Convection can be natural or forced and generally transfers thermal energy faster than conduction. The table gives wind-chill factors, indicating that moving air has the same chilling effect of much colder stationary air.
Convection (heat transfer) - Wikipedia
网页Convection (or convective heat transfer) is the transfer of heat from one place to another due to the movement of fluid. Although often discussed as a distinct method of heat transfer, convective heat transfer involves the combined processes of conduction (heat diffusion) and advection (heat transfer by bulk fluid flow).