Sample Problem Statement

Design a vertical gas-liquid separator or a Knock Out Drum for separation of liquid droplets entrained in fuel gas flow. The liquid in...

# Category - Key equations for Process Engineers

Problem Statement

Calculate the compressibility factor (Z factor) for air at the following temperature and pressure condition -

P = 15 barg

T =...

Conduction of heat in a solid wall is expressed using Fourier's equation for heat conduction,

T : Temperature at a point in wall

θ : Time

k : Thermal...

Fluid viscosity is an important fluid property in fluid dynamics. Fluid viscosity represents the frictional resistance within the fluid to shearing force...

Flow coefficient of a device represents the ease for a fluid flow to pass through the device. High flow coefficient of a device such as restriction orifice or...

Incompressible Flow

For incompressible fluids, Bernoulli's equations simply states that the combined kinetic energy, gravitational static energy and pressure...

Net Positive Suction Head or NPSH for pumps can be defined as the difference between liquid pressure at pump suction and liquid vapor pressure, expressed in...

Compressibility factor of gases is a thermodynamic property which is used to modify the ideal gas equation for real gases.

For Ideal gases, Ideal gas equation...

A system can reach from state A to state B following different paths. These paths followed by a system while undergoing a change of state, are termed as...

The behaviour of an Ideal gas is described by the following equation,

PV = nRT

where,

P = Pressure (bar, atmosphere, Pa)

V = Gaseous volume (m3, cm3)

n =...

Heat capacity of a system can be defined as the quantum of heat required to increase the temperature of the system by unity.

Specific heat is a property of...

For any flow through a pipe line, the pressure drop per unitlength of the line depends on the type and phase of thefluid flowing throughthe line, roughness of...