Total fluid [flow]Fluide total [débit]Gesamtmedium [Durchfluss]

quotient of the specific heat of a substance at constant pressure and the specific heat at constant volume

density of a process material calculated to base conditions

temperature at which a liquid or vapour changes to the solid state at a given operating pressure

temperature at which one or more vapour components condense to liquid phase at a given operating pressure

temperature at which a vapour pressure reaches a given operating pressure

direction of flow that may occur at the instrument installation point

for a physical system exchanging quantities of heat with two bodies, during a reversible cycle, a positive state quantity characterizing each body and proportional to the quantity of heat exchanged with this body

density measured under operating conditions

velocity of a fluid in a process stream

characteristic number derived from the quotient of inertial forces and viscous forces of a fluid

pressure using absolute vacuum as the datum point

pressure using atmospheric pressure as the datum point

frequency of pulsation of a flow with corresponding behaviour

name of the total fluid

mass of material flowing per unit time

actual volume of fluid that passes a given point per unit time

volume of material flowing per unit time calculated to base conditions

temperature at which a solid changes to the vapor state at the given operating pressure

ratio of the height of liquid-vapor interface of a flow in a pipe to the inner pipe diameter