The plug flow reactor model is a common method used in chemical engineering to predict the behavior of chemical reactions by assuming that there is no mixing in the reactor, allowing for a uniform flow. However, there are synonyms for this model with slight variations such as the laminar flow reactor model, in which the flow is streamlined along the reactor's length. Another variant is the tubular reactor model, in which the reaction occurs within a tube. Other synonyms include the ideal reactor model, which assumes that the chemical reaction takes place instantly and completely, and the continuous stirred-tank reactor model, which involves a mixture of uniform concentration and turbulent flow in the reactor.