Identification of basic thermal technical characteristics of building materials

Title:

Identification of basic thermal technical characteristics of building materials

Creator:

Šťastník, Stanislav, Vala, Jiří, and Kmínová, Hana

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:b3712c85-90fa-419e-b4f0-4edc70b4bbb4
uuid:b3712c85-90fa-419e-b4f0-4edc70b4bbb4

Subject:

building heat transfer, PDEs of evolution, inverse problems, Fourier method, Newton iterations, and incertainties in laboratory measurements

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

Modelling of building heat transfer needs two basic material characteristics: heat conduction factor and thermal capacity. Under some simplifications these two factors can be determined from a rather simple equipment, generating heat from one of two aluminium plates into the material sample and recording temperature on the contacts between the sample and the plates. However, the numerical evaluation of both characteristics leads to a non-trivial optimization problem. This article suggests an efficient numerical algorithm for its solution, based on the weak formulation of certain initial and boundary problem for the heat transfer equation, on the classical Fourier analysis and on the Newton iterative method, and demonstrates its practical application.

Language:

English

Rights:

http://creativecommons.org/publicdomain/mark/1.0/
policy:public

Coverage:

[561]-576

Source:

Kybernetika | 2007 Volume:43 | Number:4

Harvested from:

CDK

Metadata only:

false