A new estimation method of thermal diffusivity using analytical inverse solution for one-dimensional heat conduction

摘要: Abstract A new procedure to estimate thermal diffusivity has been developed by using a solution explicitly obtained from an inverse problem of one-dimensional unsteady heat conduction. This method merit being independent surface condition and is simpler than the existing methods, which commonly use direct conduction are strongly subject boundary condition. The can be estimated change in temperatures, includes some errors at two different points as uncertainty measurement. value thereby found good agreement with that tested materials, while conductivity needs reference give known material. makes simultaneous measurement both possible