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Abstract
A similarity parameter has been obtained for a confined turbulent jet system of constant cross section for which the nozzle fluid and the surrounding fluid have different densities. This parameter was derived from the time smoothed equations of motion with certain simplifying assumptions. Velocity, temperature and tracer concentration profiles were measured on such a system with the similarity parameter, called the non-isothermal Craya-Curtet number, varied over a range of 0.22 to 1.2. The experimental data were correlated with the similarity parameter in a manner which supports its validity.
