Convection is a heat transfer by particles of the fluid (liquid or gas) with the heat energy in a liquid or gas move and take the place of particles that is transferred from hot places to cooler places. Natural Convection is the heat transfer from a body to or from a fluid without the body or the fluid moving, and the Forced Convection is the heat transfer from a body to or from a fluid with fluid movement.
Related Definitions in the Project: The Process Engineering