Ejector meaning

An ejector is a device that utilizes pressure to remove material or substances from a system.


Ejector definitions

Word backwards rotceje
Part of speech noun
Syllabic division e-jec-tor
Plural The plural of the word "ejector" is "ejectors."
Total letters 7
Vogais (2) e,o
Consonants (4) j,c,t,r

An ejector is a device used in various industries to pump, mix, or compress different types of fluids or gases. It operates based on the Venturi effect, which states that as the velocity of a fluid increases, its pressure decreases. This principle allows ejectors to create a vacuum or suction effect, which is crucial for many applications.

How Does an Ejector Work?

At its core, an ejector consists of three main parts: a converging section, a throat, and a diverging section. The converging section narrows down the flow, increasing its velocity and decreasing pressure. As the fluid passes through the throat, its velocity reaches a maximum, creating a low-pressure zone. Finally, in the diverging section, the fluid slows down, and its pressure increases once again. This pressure difference is what enables the ejector to perform its intended function.

Applications of Ejectors

Ejectors are widely used in industries such as chemical processing, petroleum, aerospace, and environmental engineering. They can be found in processes like mixing liquids, pumping gases, creating a vacuum, or even air conditioning systems. Ejectors are versatile devices that play a crucial role in many industrial operations.

Benefits of Using Ejectors

One of the main advantages of ejectors is their simplicity. They have no moving parts, making them easy to maintain and operate. Additionally, ejectors can handle a wide range of temperatures and pressures, making them suitable for various environments. They are also energy-efficient, as they do not require external power sources to function, relying solely on the flow of the fluid or gas.

Ejectors are essential components in many industries, providing a cost-effective and reliable solution for fluid and gas handling. Their versatility and efficiency make them a popular choice for numerous applications. Whether it's creating a vacuum, mixing fluids, or pumping gases, ejectors play a vital role in modern industrial processes.


Ejector Examples

  1. The aircraft's ejector seat saved the pilot's life during an emergency.
  2. The ejector button on the DVD player is not working properly.
  3. The engineer fixed the malfunctioning ejector pump in the industrial system.
  4. The new trash compactor includes an automatic ejector feature for easy disposal.
  5. The spray bottle has an ejector nozzle for a fine mist of water.
  6. The train's ejector system cleared the tracks of debris quickly after the accident.
  7. The dentist used an ejector to remove excess water from the patient's mouth during the procedure.
  8. The spacecraft's ejector mechanism launched the satellite into orbit successfully.
  9. The automotive airbag system includes an inflator and ejector for safety in a collision.
  10. The water gun's ejector pump creates a powerful stream of water for summer fun.


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  • Updated 01/04/2024 - 23:14:58