Cite Icon Cite. Figure 1. View large Download slide. Nevertheless — as to be shown in this paper — for practical applications also a simple power law model can be used:.
Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Contribution to the Hydraulics of non-Newtonian Liquids. The rheological behavior of anaerobic digested sludge. Search ADS. The impact of temperature on the rheological behaviour of anaerobic digested sludge. Flow characteristics of primary and digested sewage sludge. Rheology evolution of sludge through high-solid anaerobic digestion. Turbulent flow of non-Newtonian systems.
High-solid anaerobic digestion of sewage sludge under mesophilic conditions: feasibility study. Rheological characterisation of municipal sludge: a review. Laminar, transitional and turbulent flow of Herschel—Bulkley fluids in concentric annulus.
Sludge pipe flow pressure drop prediction using composite power-law friction factor—Reynolds number correlations based on different non-Newtonian Reynolds numbers. The influence of temperature and SRT on high-solid digestion of municipal sewage sludge. Flow of non-Newtonian fluids — correlation of the laminar, transition, and turbulent-flow regions.
The influence of the anaerobic digestion process on the sewage sludges rheological behaviour. Rheological measurements of sewage sludge for various solids concentrations and geometry. Activated sludge rheology: a critical review on data collection and modelling. Rheologie von Belebtschlamm in Membranbelebungsreaktoren Rheology of waste activated sludge in membrane bioreactors.
Quantification of wastewater sludge dewatering. Pipe flow of highly concentrated sludge. Explicit equations for laminar flow of Herschel—Bulkley fluids. View Metrics. Initial results obtained 0 0. Currently there is no in-line measuring system commercially available that 60 can measure the rheology in real time. Water Sci. Chapter velocity distribution equations Eq. ISBN Rheological results for the sludge suspension are depicted From Fig. Flow Meas.
When observing and Applied Rheology: Engineering Applications. Butterworth- the estimated yield stress values, one can see that the results Heinemann, Oxford. Also, the of slurry locculation and dewatering based on electrokinetic and high estimated yield stress value of the investigated luid is an rheological phenomena. Pulp Paper Sci. Hydrotransport 18 — Paper presented at: British Hydromechanics Research Group correlations based on diferent non-Newtonian Reynolds numbers.
Hydrotransport 12 — Cambridge University Press, monitor. Heat Fluid Flow 7 — Also, the fluid density and viscosity need to be known. Clicking on the image will enlarge it so it can be read. The table at the right gives typical pipe roughness values for use with the Darcy Weisbach equation.
The calculations in this example spreadsheet proceed in three steps, after the needed data has been input. For hotter water with lower kinematic viscosity example 0. Since the Hazen-Williams method is only valid for water flow - the Darcy Weisbach method should be used for other liquids or gases. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro.
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