Generalized Heat Conduction Transfer
Functions In Two Dimensional
Linear Systems Of Assigned Geometry
Author(s)
F. Marcotullio & A. Ponticiello
Abstract
Generalized heat conduction transfer
functions in two dimensional
linear systems of assigned geometry
F. Marcotullio & A. Ponticiello
Dipartimento di Energetica- Universitd di L 'Aquila
Monteluco di Roio - 67100 L'Aquila, Italy
ABSTRACT
The present paper deals with the search for transfer functions valid for the
whole class of object of an assigned two dimensional geometry. The basic
criterion was to turn the governing conduction equation and the transient
boundary conditions as well into dimensionless variables. The conclusion
was that the same the TFs hold for all systems provided the Nusselt number
(Nu) and the Fourier modulus (Fo) are equal. An appropriate TF's
coefficients table has been set-up for the central and the corner points of a
homogeneous solid square profile. The dimensionless time interval AFo was
selected according to the sampling theorem, i.e. to the cut-off frequency of
the system which depends on Nu. In addition, the Nu increment
Keywords
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