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Calculating k Values for Pipe Insulation

Calculating k Values for Pipe Insulation. By Russell Peterson & Chris Mabey. Water Heater for the Developing World. Minimize heat loss in pipes outside of the fire. Problem. Find out if clothing would be a good insulator for pipes on the water heater.

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Calculating k Values for Pipe Insulation

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  1. Calculating k Values for Pipe Insulation By Russell Peterson & Chris Mabey

  2. Water Heater for the Developing World • Minimize heat loss in pipes outside of the fire

  3. Problem • Find out if clothing would be a good insulator for pipes on the water heater. • Compare the k values for clothing to those of an emergency blanket and foam pipe insulation.

  4. Problem Setup Plastic Bottle Twater Tsurroundings Insulation

  5. Measured Temperatures and Transient Conduction Model to determine h

  6. Measured Temperatures and Lumped Capacitance Model to determine h

  7. Calculations

  8. Conclusion • Calculated k values • Pipe Insulation= 0.0212 • Shirt = 0.0015 • Emergency Blanket= 3.84 e -5 • Clothes have a good k value but they need to be thick to provide adequate insulation • Emergency blanket is an excellent insulator but would be difficult to obtain in developing countries.

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