Pipe Friction Essay

Introduction:
Energy loss is a problem that engineers face. It is caused by friction in pipes which is also called the friction head loss and that happens because of viscosity and pipe wall friction. Energy loss also happens due to local losses which occur at valves and sharp bends. Local losses are also known as minor losses because their effect is normally small in long pipelines. To understand the relationship between Reynold’s number and friction factor, the pipe friction experiment has been done. This experiment was also done to notice differences between results using a variety of equations.

Objectives:
Analyzing the relationship between Reynolds’ number (Re) and friction factor (λ) is the aim of this experiment. In addition to comparing the …show more content…
To get the flow of water through a specific pipe, suitable valves should be opened and closed.

Experiment Results:

Dimensions of specimen: Length of pipe = 1 m Diameter of pipe = 0.0076 m Viscosity = 1.13*10^-6 m^2/s

SN Volume
(liters) Time
T
(Sec) Flow Rate Q (m^3/sec) Pipe Diameter d (m) Velocity (m/sec) Reynold's No.
Re Friction Factor λ Measured Head Loss hf
(m H2O) Remarks (V×〖10〗^(-3))/T 4Q/(πd^2 ) ud/(1.14×〖10〗^(-6) ) h_f/(L/d×u^2/2g) h_1-h_2
`1 0.125×〖10〗^(-3) 10 1.25×〖10〗^(-5) 0.0076 0.27554 1853.18 0.03333 0.017 Laminar
2 0.548×〖10〗^(-3) 21 2.609×〖10〗^(-5) 0.0076 0.57511 3867.99 0.03516 0.078 Transitional
3 0.178×〖10〗^(-3) 15 1.186×〖10〗^(-5) 0.0076 0.26143 1758.29 0.03272 0.015 Laminar
4 0.348×〖10〗^(-3) 10 3.48×〖10〗^(-5) 0.0076 0.76711 5159.32 0.02999 0.118 Turbulent
5 3×〖10〗^(-3) 30 1×〖10〗^(-4) 0.0076 2.20436 14825.7 0.02669 0.87 Turbulent
6 6×〖10〗^(-3) 52 1.153×〖10〗^(-4) 0.0076 2.54162 17094 0.02559 1.109