Real-time composition determination of gas mixtures

In this paper we describe the development of a model and system to analyse the compositions of gas mixtures up to 4 components. We present measurements with binary and ternary mixtures, on compositions with components that range over an order of magnitude in the value for the measured physical properties. The system is consists of a coriolis, density, pressure and thermal flow sensor. With this system it is possible to measure the viscosity, density, heat capacity and flow rate of the medium. We demonstrate that if the properties of the individual components are known, binary mixtures can be analyzed within 1 % and ternary within 2 % accuracy