 # Category - Heat Transfer

## Energy balance calculation for heat exchanger

Energy balance calculation is often done for designing a heat exchanger to determine operating parameters for hot and cold fluids such as - inlet / outlet...

## Calculation of overall heat transfer coefficient

Problem Statement
Determine the overall heat transfer coefficient 'U' for heat transfer occurring from superheated steam in a steel pipe to atmosphere, with...

## Heat transfer coefficients for heat exchangers

Steady state convective heat transfer on either side of a heat exchanger (hot or cold side) can be expressed with following figure and equation,

## Heat Transfer – Convection of Heat

Heat transfer by convection generally occurs between a fluid and a solid surface and convective heat transfer is accompanied by motion of the fluid. This is...

## Thermal Conductivity Values for Metals

Following list of thermal conductivity values for metals can be used for heat transfer calculations around different applications.

Metal
Thermal...

## Sample Problem – Insulation thickness calculation for a pipe

Sample Problem Statement
Calculate insulation thickness (minimum value) required for a pipe carrying steam at 1800C. The pipe size is 8" and the maximum...

## Sample Problem – Heat transfer by conduction across a furnace wall

Sample Problem Statement
Determine the rate of heat transfer by conduction per unit area, by means of conduction for a furnace wall made of fire clay. Furnace...

## Heat Transfer – Conduction of Heat

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...

## Sample Problem – Logarithmic Mean Temperature Difference (LMTD) calculation

Sample Problem Statement
Calculate log mean temperature difference for the following shell and tube heat exchanger for two possible arrangements (i)...

## How to calculate LMTD when the formula fails?

Question - How do you calculate LMTD with the formula does not work?
Calculate log mean temperature difference for the following shell and tube heat exchanger...

## Steam Desuperheater

Superheated steam
Superheated steam is the steam available at a higher temperature than its dew point or saturation temperature at the corresponding pressure...

## Heat Transfer Equipment

Heat transfer equipment is found to be useful in a wide range of industries. They can be broadly defined as equipment used for transfer of heat from a hot...