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  2. Shower - Wikipedia

    en.wikipedia.org/wiki/Shower

    A shower head. A shower head is a perforated nozzle that distributes water over solid angle a focal point of use, generally overhead the bather. A shower uses less water than a full immersion in a bath. Some shower heads can be adjusted to spray different patterns of water, such as massage, gentle spray, strong spray, and intermittent pulse or ...

  3. Instantly upgrade your bathroom with this incredible shower ...

    www.aol.com/lifestyle/instantly-upgrade-your...

    What reviewers say. Nearly 40,000 Amazon customers are in love with the SparkPod Shower Head; in fact, "Best ever shower head" is the common theme among the reviews. "This is literally the best ...

  4. This easy-to-install showerhead will make your bathroom 'feel ...

    www.aol.com/lifestyle/this-easy-to-install...

    What reviewers say. Over 40,000 Amazon customers have given the SparkPod shower head a perfect five-star rating. "Luxury is the word!" exclaimed one satisfied shopper. "So easy to install. I'm a ...

  5. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An ordinary electric shower often but not always has three heat settings: high (5.5 kW), low (2.5 kW), or cold (0 W) to use when a central heater system is available or in hot seasons. Higher power (up to 7.5 KW) and lower power (up to 3.2 KW) versions are also made, as well as versions with 4 heat settings or a variable heat setting.

  6. Affinity laws - Wikipedia

    en.wikipedia.org/wiki/Affinity_laws

    The affinity laws (also known as the "Fan Laws" or "Pump Laws") for pumps/fans are used in hydraulics, hydronics and/or HVAC to express the relationship between variables involved in pump or fan performance (such as head, volumetric flow rate, shaft speed) and power. They apply to pumps, fans, and hydraulic turbines. In these rotary implements ...

  7. Total dynamic head - Wikipedia

    en.wikipedia.org/wiki/Total_dynamic_head

    In fluid dynamics, total dynamic head (TDH) is the work to be done by a pump, per unit weight, per unit volume of fluid.TDH is the total amount of system pressure, measured in feet, where water can flow through a system before gravity takes over, and is essential for pump specification.

  8. Centrifugal pump selection and characteristics - Wikipedia

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

    Friction Head – The friction head accounts for the frictional losses in the pumping system. The value of the friction head can be found from available data-tables depending on the flow parameters such as fluid viscosity, pipe dimensions, flow rate, etc. Total Head – It is obtained by adding the friction and static heads.

  9. Water recycling shower - Wikipedia

    en.wikipedia.org/wiki/Water_recycling_shower

    The first recycling shower, operated by a hand pump, was patented in England in 1767 by the stove maker William Feetham. [1] This recycling shower used the pump to push the water into a basin above the user's head. To receive the water, the user pulled a chain to release the water from the basin.