Assessment of fast heat evolving processes using inverse analysis of calorimetric data

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00312590" target="_blank" >RIV/68407700:21110/17:00312590 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.07.118" target="_blank" >http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.07.118</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.07.118" target="_blank" >10.1016/j.ijheatmasstransfer.2017.07.118</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Assessment of fast heat evolving processes using inverse analysis of calorimetric data

Popis výsledku v původním jazyce

A computational method for an enhanced assessment of experimental data produced by isothermal calorimeters is presented. Based on the inverse analysis of transient heat transport in the calorimeter, the proposed technique enables reconstruction of fast heat evolving processes. A practical utilization of the developed method is emonstrated for the heat evolution in lime hydrate-water- and Portland cement–water systems where the computational assessment makes it possible to find seven to twelve times higher initial-peak heat power values than the calorimetric measurements. The high level of agreement of original experimental data with its computational representation, R2 = 0.9984 for the lime hydrate-water system and R2 = 0.9992 for the Portland cement–water system, confirms an overall good accuracy of the model. The capability of the developed computational method to correct intrinsic distortions, which are characteristic for specific calorimetric techniques, such as the heat consumption by device components and signal delay, makes good prerequisites for its applications inp hysics, chemistry, and engineering.

Název v anglickém jazyce

Assessment of fast heat evolving processes using inverse analysis of calorimetric data

Popis výsledku anglicky

A computational method for an enhanced assessment of experimental data produced by isothermal calorimeters is presented. Based on the inverse analysis of transient heat transport in the calorimeter, the proposed technique enables reconstruction of fast heat evolving processes. A practical utilization of the developed method is emonstrated for the heat evolution in lime hydrate-water- and Portland cement–water systems where the computational assessment makes it possible to find seven to twelve times higher initial-peak heat power values than the calorimetric measurements. The high level of agreement of original experimental data with its computational representation, R2 = 0.9984 for the lime hydrate-water system and R2 = 0.9992 for the Portland cement–water system, confirms an overall good accuracy of the model. The capability of the developed computational method to correct intrinsic distortions, which are characteristic for specific calorimetric techniques, such as the heat consumption by device components and signal delay, makes good prerequisites for its applications inp hysics, chemistry, and engineering.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20303 - Thermodynamics

Projekt

<a href="/cs/project/GBP105%2F12%2FG059" target="_blank" >GBP105/12/G059: Kumulativní časově závislé procesy ve stavebních materiálech a konstrukcích</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

International Journal of Heat and Mass Transfer

ISSN

0017-9310

e-ISSN

1879-2189

Svazek periodika

115

Číslo periodika v rámci svazku

December

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

831-838

Kód UT WoS článku

000413131200081

EID výsledku v databázi Scopus

2-s2.0-85026477309