PUMPING WATER AND SAND

• Names:
• Ahmed Mohamed Abd El Salam
• Ahmed Ali Farouq
• Ahmed Alaa Khalaf
• Nader emad aziz
• Saif mohamed
• Ahmed Alaa EL Din EL Sayed

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Supervised by:

DR.Kamal Abd Elaziz

DR.Rola Afify

History of centrifugal pump

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1687 by denise pepi

1849 iron centrifugal pump

1851 change the design

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CENTRIFUGAL PUMP �

• Designs of centrifugal pumps 1863

WHAT IS TWO PHASE FLOW?

multiphase flow is the interactive flow of two or more distinct phases with common interfaces in, say, a conduit. Each phase, representing a volume fraction (or mass fraction) of solid, liquid or gaseous matter, has its own properties, velocity, and temperature

Types of two phase:-

1.Gas-liquid flows.

2.Gas-Solid flow

3.Liquid-Liquid flow

SHAPES OF TWO FLOW PHASE

THE FLUID FLOW MEASURING

• Orifice Plate

• Venturi tube

. Flow Nozzles

ORIFICE PLATE

Advantages:

 Orifice plate is very simplest

 Cost effective

Disadvantages:

 It only support those fluid that are homogeneous is nature.

VENTURI TUBE

• Advantages:
•  Perfect working behavior prediction.
•  Very high pressure recovery efficiency of 90 %

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• Disadvantages:
•  Have high initial cost.
•  Difficult to install and remove

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FLOW NOZZLES

Advantages

 Installation is easy and is cheaper when compared to venturi meter

 Has high coefficient of discharge.

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Disadvantages

 Pressure recovery is low