Engineering Tools
Conversions
Common Wiring Circuits
Material Properties
- Specific Heats Solids
Specifics heats for many common materials in solid-state. It also includes volume weights, the heat of fusion, and melting point temperature. - Specific Heats Liquids
Specifics heats for many common materials in a liquid state. It also includes volume weights, the heat of vaporization, and boiling point temperature. - Specific Heats Gases and Vapors
Specifics heats for many common materials in gas or vapor state. It also includes volume weights. - Material Emissivities
Emissivity for common metals with values for polished, medium oxide, and heavy oxide finishes.
Charts & Graphs
- Strip Heater Watt Densities @ 700 F Surface Temperatures
Watt densities on a Strip Heater that produce 700 F on the heater surface at various air temperatures and airflow velocities. - Finned Strip Heater Watt Densities @ 600 – 700 F Surface Temperatures
Watt densities on a Finned Strip Heater that produce 600 to 700 F on the heater surface at various air temperatures and airflow velocities. - Finned Strip Heater Watt Densities @ 800 – 900 F Surface Temperatures
Watt densities on a Finned Strip Heater that produce 800 to 900 F on the heater surface at various air temperatures and airflow velocities. - Finned Tubular Heater Watt Densities @ 800 – 900 F Surface Temperatures
Watt densities on a Finned Tubular Heater that produce 800 to 900 F on the heater surface at various air temperatures and airflow velocities. - Tubular Heater Wattage Densities Versus Surface Temperatures
Resulting heater surface temperatures at various watt densities and air flows. - Maximum Watt Densities in Air
Maximum watt densities for various heater types and sheath materials within natural convection air heating applications. - Maximum Watt Densities Based on Sheath Material and Heater Type
Maximum watt densities for various heater sheath materials based on heater construction (not limited by application). - Maximum Watt Densities Based on Application
Maximum allowable heater watt density for a select list of common materials being heated. - Heat Losses From Uninsulated Metal Surfaces
Watts per square foot of heat loss through uninsulated steel and copper surfaces. - Heat Losses From Insulated Surface
Watts per square foot of heat loss through insulated surfaces. - Wind Velocity Heat Loss Correction Factors
The multiplier for adjusting heat loss based on wind velocity effect.
Quick Estimates
- Wattage Required To Heat Air Flows
The wattage required to heat air at various CFM flows and temperature rises - Wattage Required To Heat Water In An Insulated Tank
The wattage required to heat water in a tank based on known gallons or cubic feet with a target temperature increase in degrees F. - Wattage Required To Heat Flowing Water
The wattage required to heat flowing water-based on known gallons per minute flow rate or cubic feet per minute with a target temperature increase in degrees F. - Wattage Required To Heat Oil In An Insulated Tank
The wattage required to heat oil in a tank based on known gallons or cubic feet with target temperature increase in degrees F. - Wattage Required To Heat Flowing Oil
The wattage required to heat flowing oil based on known gallons per minute flow rate or cubic feet per minute with a target temperature increase in degrees F. - Wattage Required To Heat A Room
The wattage required to heat a room based on known cubic feet (Length x Width x Height of room). Four heating curves are provided based on thermal conditions such as insulation and related construction. - Wattage Output At Operating Voltages Other Than Rated
Charts compare output wattage when units are operated at input voltages other than the actual rating. - Amperage For Wattage and Voltage Combinations
Resulting amperage values for several wattages and voltage combinations, including single-phase and 3 phase circuits - Surface Area (FT2) for Cylindrical Tanks
The surface area of tanks ranging in diameters from 2 feet to 50 feet and wall tank height from 1/2 foot to 50 feet
