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  2. Bedform - Wikipedia

    en.wikipedia.org/wiki/Bedform

    These phase diagrams [1]: 1 [9] are used for two main purposes: i) for prediction of bed states in a known flow and sediment transport condition, and, ii) as a tool for the reconstruction of paleoenvironments from a known bed state or sedimentary structure. Despite the great utility of such diagrams, they are very difficult to construct, making ...

  3. Sheet flow - Wikipedia

    en.wikipedia.org/wiki/Sheet_flow

    The concentration of particles usually spreads out in a straight line, and the Rouse distribution works in the water column above the sheet-flow layer where the particles are less concentrated. However, velocity distribution formulas are still being refined to accurately describe particle velocity profiles in steady or oscillatory sheet flows. [2]

  4. Process flow diagram - Wikipedia

    en.wikipedia.org/wiki/Process_flow_diagram

    A process flow diagram (PFD) is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and designations.

  5. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    P&IDs are originally drawn up at the design stage from a combination of process flow sheet data, the mechanical process equipment design, and the instrumentation engineering design. During the design stage, the diagram also provides the basis for the development of system control schemes, allowing for further safety and operational ...

  6. Check valve - Wikipedia

    en.wikipedia.org/wiki/Check_valve

    The water to the slide flows through a pipe which doubles as the tower holding the steps to the slide. When the facility with the slide closes for the night, the check valve stops the flow of water through the pipe; when the facility reopens for the next day, the valve is opened and the flow restarts, making the slide ready for use again. [13]

  7. What Is the Triple Sheet Method? How to Use This Simple Bed ...

    www.aol.com/lifestyle/triple-sheet-method-simple...

    Step 2: Add the First Flat Sheet. As you place the flat sheet on the bed, make sure the finished side faces down. Starting from the foot of the bed and working your way up the sides, tuck the ...

  8. We’re putting the top sheet debate to bed - AOL

    www.aol.com/news/putting-top-sheet-debate-bed...

    Experts say you should wash your sheets — meaning your pillowcases, fitted sheet and top sheet (if you use one) — once a week. Bed sheets get dirty very quickly, Azodi says.

  9. Sedimentary structures - Wikipedia

    en.wikipedia.org/wiki/Sedimentary_structures

    Flow regimes in single-direction (typically fluvial) flow, which at varying speeds and velocities produce different structures, are called bedforms. In the lower flow regime, the natural progression is from a flat bed, to some sediment movement (saltation etc.), to ripples, to slightly larger dunes. Dunes have a vortex in the lee side of the dune.