Property
Thermal conductivity (λ) v1.0
Active
URL: https://opendictionary-ecstest.test-bim.com/organization/25869347-9422-4528-ac1c-65954fa4061d/dictionary/9287e0cf-0039-4370-9a67-daf4043be075/property/9e1bfc0e-4c4c-4a59-aaf4-cc13b06a631d
GUID: 01e5097c-dea9-4520-a621-623bab1c07bd
Definition
The standardized, empirically tested lambda value defining the intrinsic rate at which thermal energy transfers through a specific material matrix via molecular vibration.
Description
Mandatory for calculating the total dynamic thermal resistance of complex building envelopes and specifying industrial cryogenic piping insulation.
Example
0.04
Technical definition
Data type
Float
Unit
Watt Per Meter Kelvin (W/(m·K))
Quantity Kind
Thermal Conductivity
Usage
Property groups (1)
References
Reference documents (4)
- ASTM C518 Steady-State Thermal Transmission Heat Flow Meter Method v1.0
- EN 12664 Thermal transmittance (U-value) Dry Materials v1.0
- EN 12667 Thermal transmittance (U-value) Thick Products v1.0
- ISO 8301 Heat Transfer Thermal transmittance (U-value) v1.0