AFM, Maison de la Mécanique, 39/41 rue Louis Blanc - 92400 Courbevoie
Abstract
Round jets having a Mach number of 0.9 and a
Reynolds number of 1700 are computed by direct numerical simulations using a
characteristic-type formulation and high-order compact finite differences. Two
simulations are carried out where the ratio of inflow to ambient temperature is equal to
1 (isothermal jet) and to 2 (anisothermal one) respectively. The influence of the jet
temperature on the main features of the flow and its associated sound field is
investigated