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An experimental study of natural and mixed convection over cooled vertical room wallVenko, Samo ...Energy demands for cooling of the buildings will increase in the future due to expected climate changes and increased intensity of the urban islands. Thermo-active building systems show a high ... potential for reducing energy needs for cooling of the buildings. This article presents an experimental study of natural and mixed convection over thermally activated cooling wall. Mixed convection regime is generated by ventilation supply air jet flowing through longitudinal ceiling slot downward parallel to the cooled wall. Experimental results were used for developing of multiparametric models for local convective heat transfer coefficients for natural and mixed convection. Those models were afterwards used in TRNSYS simulation tool for modeling of the thermal response and energy consumption for cooling of typical office room with thermal activated cooled wall. Decrease in energy usage resulting from more intense convective heat transfer in case of mixed convection is presented.Vir: Energy and buildings. - ISSN 0378-7788 (Vol. 68, Part A, Jan. 2014, str. 387-395)Vrsta gradiva - članek, sestavni delLeto - 2014Jezik - angleškiCOBISS.SI-ID - 13277211
Avtor
Venko, Samo |
Vidal de Ventós, Daniel |
Arkar, Ciril |
Medved, Sašo
Teme
thermo-active building systems |
TABS |
thermally activated cooled wall |
natural convection |
mixed convection |
experimental study |
reduction of cooling loads |
reduction of mechanic cooling |
toplotno aktivirane gradbene konstrukcije |
toplotno aktivirana stena za hlajenje |
naravna konvekcija |
mešana konvekcija |
eksperimentalne raziskave |
zmanjšanje hladilnih obremenitev |
zmanjšanje mehanskega hlajenja
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Venko, Samo | 29305 |
Vidal de Ventós, Daniel | ![]() |
Arkar, Ciril | 11809 |
Medved, Sašo | 03408 |
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