1.
F Giovannetti; M Kirchner
Performance and reliability of insulated glass collector prototypes Proceedings Article
In: ISES, (Hrsg.): Conference Proceedings EuroSun 2014, Aix-les-Bains, France, 2014.
@inproceedings{Giovannetti2014cb,
title = {Performance and reliability of insulated glass collector prototypes},
author = {F Giovannetti and M Kirchner},
editor = {ISES},
doi = {10.18086/eurosun.2014.16.07},
year = {2014},
date = {2014-09-19},
booktitle = {Conference Proceedings EuroSun 2014},
address = {Aix-les-Bains, France},
abstract = {Insulated glass collectors represent a novel design intended for improved building integration, combining a multiple window glazing with a flat plate collector. Gas-filled gaps and low-emittance glass coatings can provide for a high performance, comparable to that of commercially available flat plate products by reducing the overall thickness from 90-100 mm to 50 mm. The paper presents the results of our investigations on optimized triple-glazed, argon-filled prototypes. Aim of the work is to compare different absorber technologies and integration solutions and to identify the most suitable design with regards to aesthetical appearance and long-term reliability. Efficiency measurements according to EN ISO 9806 confirm the findings of previous investigations: zero-loss efficiency η0 between 0.74 and 0.79 as well as an effective heat loss coefficient a40 between 4.2 and 4.5 W/m²K are reported, depending on the specific design considered. Indoor and outdoor reliability tests show promising results: no significant decrease of gas concentration has been detected in most cases and no degradation of the collector components, even after long-term exposure. Due to the gas-tightness of the unit, outgassing has been identified as a critical aspect to be taken into special consideration in the collector design and in the choice of components and materials.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Insulated glass collectors represent a novel design intended for improved building integration, combining a multiple window glazing with a flat plate collector. Gas-filled gaps and low-emittance glass coatings can provide for a high performance, comparable to that of commercially available flat plate products by reducing the overall thickness from 90-100 mm to 50 mm. The paper presents the results of our investigations on optimized triple-glazed, argon-filled prototypes. Aim of the work is to compare different absorber technologies and integration solutions and to identify the most suitable design with regards to aesthetical appearance and long-term reliability. Efficiency measurements according to EN ISO 9806 confirm the findings of previous investigations: zero-loss efficiency η0 between 0.74 and 0.79 as well as an effective heat loss coefficient a40 between 4.2 and 4.5 W/m²K are reported, depending on the specific design considered. Indoor and outdoor reliability tests show promising results: no significant decrease of gas concentration has been detected in most cases and no degradation of the collector components, even after long-term exposure. Due to the gas-tightness of the unit, outgassing has been identified as a critical aspect to be taken into special consideration in the collector design and in the choice of components and materials.
2.
F Giovannetti; M Kirchner; F Kliem; T Hoeltje
Development of an Insulated Glass Solar Thermal Collector Artikel
In: Energy Procedia, Bd. 48, S. 58-66, 2014, ISSN: 1876-6102, (Proceedings of the 2nd International Conference on Solar Heating and Cooling for Buildings and Industry (SHC 2013)).
@article{Giovannetti2014c,
title = {Development of an Insulated Glass Solar Thermal Collector},
author = {F Giovannetti and M Kirchner and F Kliem and T Hoeltje},
doi = {10.1016/j.egypro.2014.02.008},
issn = {1876-6102},
year = {2014},
date = {2014-04-01},
journal = {Energy Procedia},
volume = {48},
pages = {58-66},
note = {Proceedings of the 2nd International Conference on Solar Heating and Cooling for Buildings and Industry (SHC 2013)},
keywords = {},
pubstate = {published},
tppubtype = {article}
}