Modern Steam Turbines
There are two basic types of steam turbines: Impulse and Reaction turbines. The impulse turbine is normally used for high and intermediate steam turbines, whereas the reaction turbine is used…
What’s the Biggest Machine in the World?
The world's biggest machines are behemoths so large that the biggest dinosaurs look like bath toys in comparison. These devices combine thousands of tons of steel and other building materials…
Boiler Efficiency Calculation Simplified
A practical and simple method for calculating the efficiency of coal fired boilers is given in this article. Practical assumptions are used to simplify the otherwise elaborate calculations of the…
The OPOC Engine – Greener Internal Combustion?
New OPOC engine developments are causing a resurgence in interest in the engines. They offer the possibility of significant efficiency gains, possibly making them the green engine of the future.…
The Point Where Horsepower and Torque Curves Cross
At first glance, torque-power charts seem to show that at a certain engine speed, the two curves cross. Does this really happen? Is it a magic point or just a…
How to Design a Shaft for a Constant Load
The shaft is a basic mechanical component of many machines. This article will discuss drive shaft design concepts and formulas by explaining a design problem for a shaft for a…
AWS Welding Symbols for Five Most Useful Weld Types
AWS welding symbols are widely accepted for welding drawings. AWS symbols and ANSI symbols are same. He we discuss five common AWS symbols in some detail. All AWS welding symbols…
What is a Belleville Spring Washer
In many practical situations, you may have come across washers that were not totally flat, but curved in nature. These curved washers are called Belleville spring washers. How They Look…
Design an Idler for a Conveyor Belt System
The idlers are an important part of a belt conveyor system; they provide stability to the conveyed materials. There are mainly three types of idles used in the industry namely,…
Five Hydraulic Component Symbols You Should Learn Before Reading or Designing Hydraulic Schematics
Learning hydraulic component symbols is the essential first step toward reading hydraulic schematics. We will discuss glossary of ISO hydraulic symbols here. There are many hydraulic symbols used in industry for designing…
