Q.BONUS. Static mixing devices (that promote turbulent mixing in pipelines) provide an inexpensive way for mixing...
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Q.BONUS. Static mixing devices (that promote turbulent mixing in pipelines) provide an inexpensive way for mixing of fluids continuously in a pipeline. In a cosmetic factory, it is desired to mix two immiscible liquids in a pipeline using that static mixer. A typical static mixer design is shown in Fig. QB.1. All pipes are Sch 40 12 in in nominal size. Here, one stream (liquid-2) to be mixed enters the T-joints; turns around the 90° elbow; is dispersed within the other stream (liquid-1) as drops under turbulent flow. Finally the resultant mixture is formed. The resultant mixture is an emulsion, where water is dispersed within oil phase in form of very tiny drops. The density and viscosity of the resultant mixture are 918 kg/m³ and 46 mPa.s, respectively. For this mixing system, a) Find the mass and volumetric flow rates of the resultant mixture. [5 pts] b) Calculate the support forces for the static mixer given in Fig. QB.1 and show the support (reactive) forces on the figure. [15 pts] Liquid 1 is Mineral Oil: P1 = 891 kg/m U1 = 34 cP Qi = 0.8 m/h Liquid 1 Resultant Mixture Liquid 2 is Water: P2= 1000 kg/m H2 = 1 cP 1Liquid 2 Q2 = = Q1 /3 Figure QB.1. A schematic illustration of static mixer for mixing two immiscible liquids Q.BONUS. Static mixing devices (that promote turbulent mixing in pipelines) provide an inexpensive way for mixing of fluids continuously in a pipeline. In a cosmetic factory, it is desired to mix two immiscible liquids in a pipeline using that static mixer. A typical static mixer design is shown in Fig. QB.1. All pipes are Sch 40 12 in in nominal size. Here, one stream (liquid-2) to be mixed enters the T-joints; turns around the 90° elbow; is dispersed within the other stream (liquid-1) as drops under turbulent flow. Finally the resultant mixture is formed. The resultant mixture is an emulsion, where water is dispersed within oil phase in form of very tiny drops. The density and viscosity of the resultant mixture are 918 kg/m³ and 46 mPa.s, respectively. For this mixing system, a) Find the mass and volumetric flow rates of the resultant mixture. [5 pts] b) Calculate the support forces for the static mixer given in Fig. QB.1 and show the support (reactive) forces on the figure. [15 pts] Liquid 1 is Mineral Oil: P1 = 891 kg/m U1 = 34 cP Qi = 0.8 m/h Liquid 1 Resultant Mixture Liquid 2 is Water: P2= 1000 kg/m H2 = 1 cP 1Liquid 2 Q2 = = Q1 /3 Figure QB.1. A schematic illustration of static mixer for mixing two immiscible liquids
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Fundamentals of Electric Circuits
ISBN: 9780073301150
3rd edition
Authors: Matthew Sadiku, Charles Alexander
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