# Category: Calculations ### Constant force spring: properties and design equations

Constant force springs differ from traditional helically-wound springs. They are made from pre-tensioned, high yield strips of metal (often stainless steel) as opposed to wire. ### Mollier Diagram – A Basic Guide

Most engineering installations and equipment are subjected to (and designed to withstand) a variety of atmospheric conditions and over a wide range of temperature, pressure, ### Structural Concepts – Static and dynamic load basics

Defining and understanding the basic structural concepts of engineering and how they are expressed in physics and mathematics is a key aspect for students. This ### Volumetric Flow Rate Equation

Before defining the volumetric flow rate equation and how to apply it, let’s explore the concept of volumetric flow and how the principle is used ### Resonant Frequency Equation: mechanical, electrical and acoustic

Resonant frequency can apply to many areas of the physical sciences or engineering. Thus, there is more than one resonant frequency equation, depending on the ### Compression Springs – Types, calculations and more

Compression springs are mechanical devices that are specifically designed to be induced to axial compression loads. They can usually also be extended as well as ### Gauge Symmetry for Boneheads – a brief explanation of the fundamentals.

Have you ever wondered why gauge symmetry is synonymous with electromagnetism equations? Anytime the topic comes up, it reminds us of Maxwell’s electrodynamics. Gauge field ### Reynolds Number Calculator and Formula (Equation)

Below is  a handy Reynolds Number Calculator. The Reynolds number (Re) is a dimensionless quantity that is used to determine what type of fluid flow to ### Basic stress analysis calculations

Mechanical engineers need to be able to calculate things! One of the most important things a mechanical engineer must know are basic stress analysis calculations. ### What do calculations actually mean?

Engineers are supposed to do calculations. That’s what we do. We calculate everything from strength and mass flow, temperature rise and heat transfer, fuel consumption and ### Thermal design basics: materials and calculations ### Ball Bearings: Guide to selection, applications & calculations

This article helps mechanical engineers understand the selection of ball bearings depending upon the application and load conditions. Primarily the article helps you calculate the 