Heating Element Design

The following calculations give a guide to selecting an electrical resistance wire for your application

• Overview – heating element design and calculation
  An introduction to electrical resistance of tape and wire, a calculation of element resistance and a temperature-resistance table for RW80.
  Also includes downloadable spreadsheet for design guidelines
• Surface area loading
  Designing an element for a variety of applications and a guide to the appliance,  element type and suggested surface loading range
• Designing a round wire element
  A guide to calculations necessary for calculating element résistance for a variety of applications
• Coiled or spiral elements
  A table and diagrams allowing the user to locate the most suited round wire and diameter to form a close wound coil
• Designing a tape element
  Calculations and examples as in designing a round wire element
• Conversion factors
  Conversions between imperial and metric
• Ohms law
  An overview, diagram and calculation reminders