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Calibration and Testing of Thermal Simulation Models of Air Heaters
KTH, Superseded Departments, Building Sciences and Engineering.
KTH, Superseded Departments, Building Sciences and Engineering.
2004 (English)In: ASHRAE Transactions, ISSN 0001-2505, Vol. 110, no Part II, 158-166 p.Article in journal (Refereed) Published
Abstract [en]

Detailed measurements of the thermal characteristics of one one-row and one four-row ducted, hydronic air heating coil have been performed. The measurements were made in a carefully designed and produced laboratory setup, capable of creating almost perfect step changes of both water flow rate and supply temperature. The heater's steady-state characteristics were first modeled. The model was then calibrated with a set of measurements by means of parameter estimation. Then a couple of dynamic models, based on the calibrated steady-state models, were tested. Both the calibrations and the behavior of the dynamic models are discussed. It is shown that if the base has careful calibration of the steady-state characteristics, simple uncalibrated dynamic models can be used. The measurement files are available on CD for anyone interested in testing heater simulation models.

Place, publisher, year, edition, pages
2004. Vol. 110, no Part II, 158-166 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-80388Scopus ID: 2-s2.0-20444390972OAI: oai:DiVA.org:kth-80388DiVA: diva2:496278
Note
QC 20120313Available from: 2012-02-09 Created: 2012-02-09 Last updated: 2017-12-07Bibliographically approved

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Mundth, ElisabethMalmström, Tor-Göran
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