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Parameter identification and uncertainty evaluation in quasi-dynamic test of so...
Rodrigues, João Carlos Teixeira; Facão, Jorge; Carvalho, Maria JoãoABSTRACT: This work presents a comparison between two methods used for parameter identification and calculation of parameter uncertainty applied to the measured data of solar thermal collectors when tested according to ISO 9806:2017. One method is using a weighted least square (WLS) fit and the partial derivative approach described in the GUM (the Guide to the Expression of Uncertainty in Measurement). The seco...
UNISOL: solar combistore evaluation and optimization
Amorim, Ricardo; Facão, Jorge; Rodrigues, João Carlos Teixeira; Carvalho, Maria JoãoIn the frame of UNISOL project, a test bench was installed to perform tests of a combistore which includes a two-way heat exchanger already submitted to a national patent application. The present work describes the main characteristics of the test bench installed and the tests performed with the objective of optimization of the configuration of the inner storage tank of the combistore (two way heat exchanger), ...
UNISOL: solar combistore evaluation and optimization
Amorim, Ricardo; Facão, Jorge; Rodrigues, João Carlos Teixeira; Carvalho, Maria JoãoIn the frame of UNISOL project, a test bench was installed to perform tests of a combistore which includes a two-way heat exchanger already submitted to a national patent application. The present work describes the main characteristics of the test bench installed and the tests performed with the objective of optimization of the configuration of the inner storage tank of the combistore (two way heat exchanger), ...