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Spreadsheet For Calculating Size Of Motor Pump

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Spreadsheet For Calculating Size Of Motor Pump

Calculating Size Of Motor Pump

Calculating Size Of Motor Pump (developed by Mr. Jignesh Parmar)

Introduction

This spreadsheet calculates:

  • Pump hydraulic power
  • Motor-pump shaft power
  • Pump size and
  • Motor size

Some of the input information for pump:

  • Static Suction Head: (h1)
  • Static Discharge Head: (h2)
  • Is Pump Inlet Diameter equal to Outlet Diameter
  • Enter Pump Inlet Diameter
  • Enter Pump Outlet Diameter
  • Density of Liquid: (D)
  • Required Amount of Liquid at perticular Height
  • Required Time for getting Liquid at perticular Height
  • Frction Loass in Pipe
  • Pump Efficiency: (nP)
  • Motor Efficiency: (nM)
  • Safety Margin (As per Americal Petroleum Institute (API))

Calculating Size Of Motor Pump (developed by Mr. Jignesh Parmar)

Software: Calculating Size Of Motor Pump
Version: 10.06.2013 New
Developer: Jignesh Parmar
Size: 121.9 Kb
Price: Free
Download: Right here | Get Download Updates | Get Technical articles
Calculating Size Of Motor Pump

Calculating Size Of Motor Pump

Last Updated on Tuesday, 10 February 2015 05:02
 

Different Type of Lamps for Luminous

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Different Type of Lamps for Luminous

Introduction:

  • Artificial luminous radiation can be produced from electrical energy according to two principles:
  • Incandescence: It is the production of light via temperature elevation. The most common example is a filament heated to white state by the circulation of an electrical current. The energy supplied is transformed into heat by the Joule effect and into luminous flux.
  • Luminescence: It is the phenomenon of emission by a material of visible or almost visible luminous radiation. A gas (or vapours) subjected to an electrical discharge emits luminous radiation (Electroluminescence of gases). Since this gas does not conduct at normal temperature and pressure, the discharge is produced by generating charged particles which permit ionization of the gas.
  • The nature, pressure and temperature of the gas determine the light spectrum. Photoluminescence is the luminescence of a material exposed to visible or almost visible radiation (ultraviolet, infrared).When the substance absorbs ultraviolet radiation and emits visible radiation which stops a short time after energization, this is fluorescence.

Incandescent lamps:

  • Incandescent lamps are historically the oldest and the most often found in common use. They are based on the principle of a filament rendered incandescent in a vacuum or neutral atmosphere which prevents combustion.
    A distinction is made between:
  • Standard Incandescent bulbs
  • These contain a tungsten filament and are filled with an inert gas (nitrogen and argon or krypton).
  • Halogen Incandescent bulbs
  • These also contain a tungsten filament, but are filled with a halogen compound and an inert gas (krypton or xenon). This halogen compound is responsible for the phenomenon of filament regeneration, which increases the service life of the lamps and avoids them blackening. It also enables a higher filament temperature and therefore greater luminosity in smaller-size bulbs.
    The main disadvantage of incandescent lamps is their significant heat dissipation, resulting in poor luminous efficiency.

Fluorescent lamps

  • This family covers fluorescent tubes and compact fluorescent lamps. Their technology is usually known as “low-pressure mercury”.
  • In fluorescent tubes, an electrical discharge causes electrons to collide with ions of mercury vapor, resulting in ultraviolet radiation due to energization of the mercury atoms.
  • The fluorescent material, which covers the inside of the tubes, then transforms this radiation into visible light.
    Fluorescent tubes dissipate less heat and have a longer service life than incandescent lamps, but they do need an ignition device called a “starter” and a device to limit the current in the arc after ignition. This device called “ballast” is usually a choke placed in series with the arc.
  • Compact fluorescent lamps are based on the same principle as a fluorescent tube. The starter and ballast functions are provided by an electronic circuit (integrated in the lamp) which enables the use of smaller tubes folded back on themselves.
  1. Fluorescent tube
  2. HP mercury vapour
  3. High-pressure sodium
  4. Low-pressure sodium
  5. Metal halide
  6. LED

 

Last Updated on Tuesday, 04 November 2014 04:47 Read more...
 

L&T FM1QT Time Switch Programming Video

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FM1 QT Time Switches are used for a wide variety of applications. They are used for fixed time based daily/weekly applications. They are ideal for lighting applications (specially street lighting ) and are also used to control air conditioners in ATM, coolers, geysers, conveyors, pumps and exhaust fans.

 

 

Last Updated on Friday, 17 October 2014 11:57
 

Ingersoll Rand Service Centre

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Last Updated on Wednesday, 17 September 2014 10:13
 


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