Applications of Energy Balance Equation

Question 1

Device that increases the velocity at the expense of pressure (v2>v1)

Answer 1

Nozzle

Question 2

Device that decreases the velocity of the fluid that results in increase in pressure (v1>v2)

Answer 2

Diffusers

Question 3

Devices that generate work from a working fluid (negative pressure)

Answer 3

Turbines/Expander

Question 4

Devices used to increase the pressure of a fluid by the supply of work through a rotating shaft (positive pressure)

Answer 4

Compressors/Fans/Pumps

Question 5

Any flow-restricting device such as an adjustable valve, porous plug or capillary tube

Answer 5

Throttling Valve