Evaluating the influence of radiative heat flux on convective heat transfer from a vertical plate in air using an improved heating plate

Michał Ryms; Witold Lewandowski

doi:10.1016/j.ijheatmasstransfer.2021.121232

Evaluating the influence of radiative heat flux on convective heat transfer from a vertical plate in air using an improved heating plate

Abstrakt

This article examines the influence of radiative heat flux on the accuracy of the results of free convective heat transfer in air. In order to carry out these tests, based on the experience gained during the operation of a plate heated on one side, compensated by a reverse heat loss flux counter-heater, a unique double-sided heating sandwich plate was designed and built, consisting of three thin epoxy resin plates reinforced with glass fibre. The paths of surface resistance thermometers were etched using photolithography on the two outer plates laminated on one side with copper. The traces of two resistance heaters were etched on both sides of the third, bilaterally laminated middle plate. This paper provides a detailed technical description of the new type of plate, the method of its implementation and determination of its operational range, calibration procedures (separately for integrated thermometers and heaters). Also described are the methods for conducting experimental tests in the vertical using the balance method in air and in water, and the gradient method using a thermal imaging camera and a detection mesh in order to validate the results obtained.

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Autorzy (2)

Michał Ryms dr hab. inż.
Witold Lewandowski prof. dr hab. inż.

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Kategoria:: Publikacja w czasopiśmie
Typ:: artykuły w czasopismach
Opublikowano w:: INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER nr 173,
ISSN: 0017-9310
Język:: angielski
Rok wydania:: 2021
Opis bibliograficzny:: Ryms M., Lewandowski W.: Evaluating the influence of radiative heat flux on convective heat transfer from a vertical plate in air using an improved heating plate// INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER -Vol. 173, (2021), s.121232-
DOI:: Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ijheatmasstransfer.2021.121232
Weryfikacja:: Politechnika Gdańska