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  2. Submersible pump - Wikipedia

    en.wikipedia.org/wiki/Submersible_pump

    A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

  3. File:OceanGate Titan schematic.svg - Wikipedia

    en.wikipedia.org/wiki/File:OceanGate_Titan...

    English: Schematic providing overall dimensions of the Titan submersible designed and built by OceanGate. Titan is depicted in a side view, with the forward hatch to the left. The pressure hull consists of three major components: two hemispherical titanium end caps, joined to a cylindrical carbon fiber composite hull via titanium interface ...

  4. List of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/List_of_spreadsheet_software

    It supports multiple tabs, VBA macro and PDF converting. [10] Lotus SmartSuite Lotus 123 – for MS Windows. In its MS-DOS (character cell) version, widely considered to be responsible for the explosion of popularity of spreadsheets during the 80s and early 90s. [citation needed] Microsoft Office Excel – for MS Windows and Apple Macintosh ...

  5. OceanGate’s Titan submarine relied on ‘idiotic’ Excel spreadsheet

    www.aol.com/oceangate-titan-submarine-relied...

    OceanGate used a hand-typed Excel spreadsheet to track its ill-fated Titan submersible, according to a former contractor for the firm.. A hearing into OceanGate’s Titan sub, which imploded ...

  6. Specific pump power - Wikipedia

    en.wikipedia.org/wiki/Specific_pump_power

    Specific Pump Power (SPP) is a metric in fluid dynamics that quantifies the energy-efficiency of pump systems. It is a measure of the electric power that is needed to operate a pump (or collection of pumps), relative to the volume flow rate. It is not constant for a given pump, but changes with both flow rate and pump pressure.

  7. Groundwater flow equation - Wikipedia

    en.wikipedia.org/wiki/Groundwater_flow_equation

    Used in hydrogeology, the groundwater flow equation is the mathematical relationship which is used to describe the flow of groundwater through an aquifer.The transient flow of groundwater is described by a form of the diffusion equation, similar to that used in heat transfer to describe the flow of heat in a solid (heat conduction).

  8. Centrifugal pump selection and characteristics - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_pump_selection...

    This is a crucial parameter for pump selection and is a popularly used parameter for ascertaining industrial requirements. By eliminating the inlet head, we remove the effect of the supplied pressure to the pump and are left with only the pump’s energy (head) contribution to the fluid flow. Schematic representation of pressure heads in a pump.

  9. Peristaltic pump - Wikipedia

    en.wikipedia.org/wiki/Peristaltic_pump

    The flow rate is an important parameter for a pump. The flow rate in a peristaltic pump is determined by many factors, such as: Tube inner diameter – higher flow rate with larger inner diameter. Pump-head outer diameter – higher flow rate with larger outer diameter. Pump-head rotational speed – higher flow rate with higher speed.