Managing the uncertainty of the U-value measurement using an auxiliary set along with a thermal camera

Papadakos, Georgios; Marinakis, Vangelis; Konstas, Christos; Doukas, Haris; Papadopoulos, Agis M.

doi:10.1016/j.enbuild.2021.110984

Cited by 10 publications

(4 citation statements)

References 45 publications

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“…The obtained values of coefficients c and contributions of uncertainty u(ω) are presented in Table 1. Evaluation of uncertainty budget in tables can be seen in other articles [44][45][46]. The value of u(ω) shown in the bottom right corner of the table was determined by means of Formula (22).…”

Section: The Uncertainty Budgetmentioning

confidence: 99%

Lack of Thermogram Sharpness as Component of Thermographic Temperature Measurement Uncertainty Budget

Dziarski

Hulewicz

Dombek

2021

Sensors

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The number of components of a thermographic temperature measurement uncertainty budget and their ultimate contribution depend on the conditions in which the measurement is performed. The acquired data determine the accuracy with which the uncertainty component is estimated. Unfortunately, when some factors have to be taken into account, it is difficult to determine the value of the uncertainty component caused by the occurrence of this factor. In the case of a thermographic temperature measurement, such a factor is the lack of sharpness of the registered thermogram. This problem intensifies when an additional macro lens must be used. Therefore, it is decided to commence research to prepare an uncertainty budget of thermographic measurement with an additional macro lens based on the B method described in EA-4/02 (European Accreditation publications). As a result, the contribution of factors in the uncertainty budget of thermographic measurement with additional macro lens and the value of expanded uncertainty were obtained.

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Section: The Uncertainty Budgetmentioning

confidence: 99%

Lack of Thermogram Sharpness as Component of Thermographic Temperature Measurement Uncertainty Budget

Dziarski

Hulewicz

Dombek

2021

Sensors

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“…The work highlighted some practical advices as well as the need for proper Region of Interest (ROI) selection, to reduce errors. In the work by Papadakos et al [138], the envelope of an existing building (made by porous clay bricks or perforated bricks) was investigated with HFM, theoretical method and via QIRT.…”

Section: Quantitative Infrared Thermography (Qirt)mentioning

confidence: 99%

Non-destructive techniques (NDT) for the diagnosis of heritage buildings: Traditional procedures and futures perspectives

Tejedor

Lucchi

Bienvenido-Huertas

et al. 2022

Energy and Buildings

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“…The budget is presented in Table 1. Evaluation of uncertainty budget in tables can be seen in other articles [29], [30]. Similarly, on the basis of equation ( 6), the uncertainty budget for τa was determined.…”

Section: The Uncertainty Budgetmentioning

confidence: 99%

Uncertainty of Thermographic Temperature Measurement with an Additional close-up Lens

Dziarski

Hulewicz

2021

Measurement Science Review

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The thermographic temperature measurement is burdened with uncertainty. This non-contact temperature measurement method makes it possible to measure the temperature of the electrical device under load. When the observed object is small (a few square millimeters) the spatial resolution of the thermographic cameras is often insufficient. In this case, the use of the additional macro lens is needed. After using an additional lens, the uncertainty of the thermographic measurement is different from the uncertainty of thermographic measurement without an additional lens. The values of the uncertainty contributions depend on the conditions during the measurement and the used methodology. The authors constructed an uncertainty budget of thermographic temperature measurement with an additional macro lens, based on EA-4/02 (European Accreditation publications). The uncertainty contributions were also calculated. On the basis of the calculated values of the uncertainty contributions, it was determined which factor had the greatest impact on the value of the thermographic temperature measurement with an additional lens.

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Managing the uncertainty of the U-value measurement using an auxiliary set along with a thermal camera

Cited by 10 publications

References 45 publications

Lack of Thermogram Sharpness as Component of Thermographic Temperature Measurement Uncertainty Budget

Lack of Thermogram Sharpness as Component of Thermographic Temperature Measurement Uncertainty Budget

Non-destructive techniques (NDT) for the diagnosis of heritage buildings: Traditional procedures and futures perspectives

Uncertainty of Thermographic Temperature Measurement with an Additional close-up Lens

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