REE 307Fluid Mechanics II

Lecture 3October 18, 2017

Dr./ Ahmed Mohamed Nagib Elmekawy

Zewail City for Science and Technology

Losses in pipes

2

• Major Losses (Primary)• Minor Losses (Secondary)

3

• Major Losses

4

• Major Losses

5

• Major Losses

Colebrook Equation

Losses

6

• Minor Losses

7

• Minor Losses

8

• Minor Losses

9

• Minor Losses

10

• Minor Losses

11

• Minor Losses

12

• Minor Losses

13

• Minor Losses

14

• Minor Losses

15

• Minor Losses

16

• Minor Losses

17

18

19

20

Pipe Joints

Pipe Joints

Pipe Joints

Pipe Fittings

Pipe Fittings – Expansion Joint

Pipe Fittings

Pipe Fittings

Pipe Fittings

Pipe Fittings

Pipe Fittings

Pipe Fittings - Lateral

Pipe FittingsGlobe Valve

Pipe FittingsGlobe Valve

Pipe FittingsGlobe Valve

Pipe FittingsCheck Valve

Pipe FittingsCheck Valve

Pipe FittingsCheck Valve

Pipe FittingsCheck Valve

Pipe FittingsGate Valve

Pipe FittingsGate Valve

Pipe FittingsSafety Valve

Pipe Fittings- Valves

42

Valves are used to control the direction, flow rate, and pressure of fluids

GATE VALVE GLOBE VALVE

CHECK VALVE CONTROL VALVE

PLUG VALVE BALL VALVE

BUTTERFLY VALVE

Pipe Fittings

Pipe Fittings

A Single line plumbing drawing example

TEE

PIPELINE

TANK

36.0040.00

GateValve

Pipe Fittings

A Double line plumbing drawing example

Pipe Fittings

ELBOW

TEE

ELBOW

COUPLING(JOINT) CHECK VALVE

REDUCER45°ELBOW

GLOBE VALVECROSS

PLUG

UNIONGATE VALVE LATERAL

CAP

Pipe Fittings

Piping Isometric Drawing

Isometric Drawing

P&I

P&I