# Engineering ToolBox

## Tools and Basic Information for Design, Engineering and Construction of Technical Applications

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### Water - Enthalpy (H) and Entropy (S)

Figures and tables showing the enthalpy and entropy of liquid water as function of temperature - SI and Imperial Units

### Coefficients of Linear Thermal Expansion

Linear temperature expansion coefficients for aluminum, copper, glass, iron and other common materials

### Critical Temperatures and Pressures for some Common Substances

Critical temperatures and pressures for some common substances - air, alcohol, ether, oxygen and more

### Modulus of Elasticity or Young's Modulus - and Tensile Modulus for common Materials

Young's Modulus - Tensile Modulus or Modulus of Elasticity - for steel, glass, wood and other common materials

### Thermal Conductivity of common Materials and Gases

Thermal conductivity of gases, insulation products, aluminum, asphalt, brass, copper, steel and other common materials

### Density of jet fuel as function of temperature

Variations in jet fuel density are shown as function of temperatur, together with volume correction factors.

### Steel Pipe Dimensions - ANSI Schedule 40

Internal and external diameters, areas, weights, volumes and number of threads for ANSI schedule 40 steel pipes

### Absolute, Dynamic and Kinematic Viscosity

Dynamic, absolute and kinematic viscosities - convert between *CentiStokes (cSt), centipoises (cP), Saybolt Universal Seconds (SSU) and degree Engler*

### Conversion Chart - from Inches to mm

Convert fractional and/or decimal inches to metric mm - and vice versa

### Autoignition temperature and flash point of different hydrocarbons

Autoignition temperature and flash point ( °C and °F) of different types of hydrocarbons with varying carbon number up to C12

### Water - Density, Specific Weight and Thermal Expantion Coefficient

Definitions, online calculator, figures and tables giving Density, Specific Weight and Thermal Expansion Coefficient of liquid water at temperatures ranging from 0 to 360 °C and 32 to 680°F - in Imperial and SI Units

### Flanges and Bolt Dimensions ASME/ANSI B16.5 - Class 150 to 2500

Diameters and bolt circles for standard ASME B16.5 flanges - 1/4 to 24 inches - Class 150 to 2500

### Wire Gauge Converter - AWG versus square mm

American Wire Gauge (AWG) versus square mm cross sectional area

### Hydrocarbons, alcohols and acids - boiling points

Boiling temperature (°C and °F) with varying carbon number up to C33

### Area Moment of Inertia - Typical Cross Sections I

Area Moment of Inertia, Moment of Inertia for an Area or Second Moment of Area for typical cross section profiles

### American Wide Flange Beams - W Beam

Dimensions of American Wide Flange Beams ASTM A6 - Imperial units

### Water - Thermodynamic Properties

Thermal properties of water - density, freezing temperature, boiling temperature, latent heat of melting, latent heat of evaporation, critical temperature and more

### Stress, Strain and Young's Modulus

Stress is force per unit area - strain is the deformation of a solid due to stress

### Friction and Friction Coefficients

Friction theory and coefficients of friction for ice, aluminum, steel, graphite and other common materials and materials combinations

### P&ID Diagram - Online Drawing Tool

Draw P&ID diagrams online in the browser with Google Docs

### Inches - Decimal Equivalents

Decimal equivalents of eights, sixteenths, thirty-seconds and sixty-fourths of an inch

### Air Properties

Density, specific heat, thermal conductivity, expansion coefficient, kinematic viscosity and Prandtl's number - air temperature ranging *-150 ^{ o}C to 400^{ o}C*

### Density, Specific Weight and Specific Gravity

An introduction to density, specific gravity and specific weight - formulas with examples

### Material Properties

Material properties for gases, fluids and solids - densities, specific heats, viscosities and more

### Water - Dynamic and Kinematic Viscosity

Figures and tables showing viscosity of water at temperatures ranging from 0 to 360 °C (32 to 675 °F) - Imperial and SI Units

### Conversion Chart - from Inches to mm

Convert fractional and/or decimal inches to metric mm - and vice versa

### • Acoustics

Room acoustics and acoustic properties - decibel A, B and C - Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation

### • Air Psychrometrics

The study of moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content

### • Basics

The SI-system, unit converters, physical constants, drawing scales and more

### • Combustion

Boiler house topics - fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency

### • Drawing Tools

2D and 3D drawing tools

### • Dynamics

Motion - velocity and acceleration, forces and torques

### • Economics

Engineering economics - cash flow diagrams, present value, discount rates, internal rates of return - IRR, income taxes, inflation

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### • Electrical

Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors

### • Environment

Climate, meteorology, sun, wind and environmental resources

### • Fluid Mechanics

The study of fluids - liquids and gases. Involves velocity, pressure, density and temperature as functions of space and time

### • Gases and Compressed Air

Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves

### • HVAC Systems

Heating, ventilation and air conditioning systems - design and dimensions

### • Hydraulics and Pneumatics

Hydraulic and pneumatic systems - fluids, forces, pumps and pistons

### • Insulation

Heat transfer and heat loss from buildings and technical applications - heat transfer coefficients and insulation methods and to reduce energy consumption

### • Material Properties

Material properties for gases, fluids and solids - densities, specific heats, viscosities and more

### • Mathematics

Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more

### • Mechanics

Forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more

### • Miscellaneous

Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more

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### • Physiology

Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more

### • Piping Systems

Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams

### • Process Control

Instrumentation and process control systems, design and documentation

### • Pumps

Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more

### • Standard Organizations

National and International organizations producing codes and standards - ANSI, ISO, DIN, BSi and more

### • Statics

Loads - force and torque, beams and columns

### • Steam and Condensate

Steam & condensate systems- properties, capacities, pipe sizing, systems configuration and more

### • Thermodynamics

Effects of work, heat and energy on systems

### • Water Systems

Hot and cold water service systems - design properties, capacities, sizing and more