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Description
  • Článek popisuje vyvíjenou metodu měření základních tepelně technických veličin (tepelná kapacita, součinitel teplotní vodivosti a součinitel tepelné vodivosti) vhodné pro pórovité materiály. A zejména se zaměřuje na matematické algoritmy užité k vyhodnocení měřených dat. Vyhodnocení dat v tomto případě představuje netriviální optimalizační problém při jehož řešení se využívá klasické Fourierovy analýzy a Newtonovy iterační metody. (cs)
  • 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.
  • 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. (en)
Title
  • Identification of Basic Thermal Technical Characteristics of Building Materials
  • Určení základních tepelně technických charakteristik stavebních materiálů (cs)
  • Identification of Basic Thermal Technical Characteristics of Building Materials (en)
skos:prefLabel
  • Identification of Basic Thermal Technical Characteristics of Building Materials
  • Určení základních tepelně technických charakteristik stavebních materiálů (cs)
  • Identification of Basic Thermal Technical Characteristics of Building Materials (en)
skos:notation
  • RIV/00216305:26110/07:PU70212!RIV08-MSM-26110___
http://linked.open.../vavai/riv/strany
  • 561-576
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021630511)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 425285
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26110/07:PU70212
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • measurement of thermal properties, thermal conductivity, thermal capacity, Fourier analysis, numerical algorithm (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [C92496B02821]
http://linked.open...i/riv/nazevZdroje
  • Kybernetika
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 43
http://linked.open...iv/tvurceVysledku
  • Vala, Jiří
  • Šťastník, Stanislav
  • Kmínová, Hana
http://linked.open...n/vavai/riv/zamer
issn
  • 0023-5954
number of pages
http://localhost/t...ganizacniJednotka
  • 26110
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