Question
Download Solution PDFWhich of the following is a requirement for thermal insulation in materials?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFHeat Insulating Materials:
Heat insulating materials are essential for providing protection against extreme temperatures, whether hot or cold. These materials help in reducing heat transfer and maintaining desired temperatures within a space.
Key Characteristics:
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Pore Structure: Closed and air-filled pores are the most effective heat insulating materials. The presence of these pores in the material significantly reduces the transfer of heat, making them ideal for insulation.
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Thermal Conductivity: The coefficient of heat conductivity for these materials does not exceed 0.18 kcal/m·hr·°C. Lower thermal conductivity values indicate better insulating properties.
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Air-Filled Pores: The low heat conductivity of insulating materials is largely due to their air-filled pores, which act as barriers to heat transfer.
Last updated on May 28, 2025
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