ResourceGeneral Lab
Processing non-Newtonian Products: Determining the Pressure Drop for a Power-law Fluid along a Straight Circular Pipe
20 Mar 2017This application note demonstrates how formulae can be used to calculate pressure requirements for pumping fluid over long distances, the selection of optimum pump diameter as well as measurement and control of flow rate. In this example, power-law analysis is used to determine the shear rate value and the pressure drop across the pipe for transportation of a shampoo product. These values can be used to predict pressure requirements for achieving the required flow rate in a straight circular pipe.
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PumpsLaboratory pumps are devices used to move liquids and gases by vacuum or positive displacement. The pressures/vacuums generated are determined by the type of pump used. High vacuum pumps include diffusion, ion, roots and turbopumps; for primary/medium vacuum applications see rotary vane pumps, scroll & diaphragm pumps. For the positive displacement of liquids explore a range of syringe and peristaltic pumps, as well as fluid aspirators. Discover the best pumps in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.ViscometersViscometers are used to measure the viscosity of a fluid. Types of viscometer include rotational, vibrational and falling piston viscometers. Options for viscometers include modular, portable, benchtop and temperature compensation and density measurement features.Pressure Control