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Numerical study of active mixing over a dynamic flow field in a T-jets mixer-In...
Ertugrul Erkoç; Cláudio P. Fonte; Madalena M. Dias; José Carlos B. Lopes; Ricardo J. SantosThe flow field in a 2D T-jets mixer was simulated to study the effect of the pulsation/modulation of the jets flow rate on the dynamics of mixing. Different strategies, frequencies and amplitudes of the opposed jets flow rate modulation were tested. The modulation frequencies were set as multiples of the natural oscillation frequencies of the dynamics flow field. The natural flow frequencies are determined from...
Mixing dynamics control in RIM machines
Ertugrul Erkoç; Ricardo J. Santos; Maria I. Nunes; M. M. Dias; José Carlos B. LopesA novel control scheme for assessing mixing on reaction injection moulding is introduced and the results of its implementation are presented. The control scheme is based on the dynamic measurement of static pressure in the feeding lines to the mixing chamber injectors. The pressure signal oscillates with a frequency which allows assessing the flow regime inside the mixing chamber. Here, the pressure signal freq...