# Engineering

## Continuity Equation: A Complete Guide

The continuity equation describes the conservation of some quantity w that is being transported within a system. The Continuity Equation In general, the continuity equation […]

## Air Resistance Calculator

As an object moves through air, it will be subject to an air resistance force. This force is related to a number of parameters specific

## Equivalent Lengths of Pipe Fittings

Pipe fittings including tees, elbows, bends, couplings, and valves contribute a substantial amount of pressure loss in a piping system. Hence, it is important to

## Pipe Flow Calculator

Volumetric Flow Rate In Pipes The volumetric flow rate of a fluid through a pipe is not constant across the cross-section. In fact, the flow

## Moment of Inertia of I Beams

The moment of inertia (or area moment of inertia) of an object is an expression of that object’s tendency to resist bending. The moment of

## Conservation of Mass Equation Explained

In engineering, a fundamental concept is the conservation of mass, which states that the mass of a system, whether that system is static or dynamic,

Threaded fasteners work by tightening and allowing both the bolt and nut materials to elongate against each other, creating a clamping force that holds two

## Drag Equation Explained

The drag induced on an object moving through the air is an important value in aerodynamic calculations. For example, an airplane will need to have

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