Tesisat Dergisi 224. Sayı (Ağustos 2014)

MAKALE 52 Tesisat Dergisi Say× 224 - Aùustos 2014 ma s×cakl×k 288.3 K ve diùer duvar yüzey- lerindeki ortalama s×cakl×k ise 292 K’dir. ûekil 9 ’da odan×n z = 0.6 m, z = 1.8 m, z = 3 m düzlemlerindeki s×cakl×k daù×l×mlar× gösterilmiütir. Panellerin bulunduùu d×ü du- var yüzeyinden uzaklaüt×kça düzlemlerdeki hava s×cakl×klar×nda azalma görülmektedir. Hava s×cakl×ù× panel yüzeylerinde yükse- lirken pencere yüzeyinde düümektedir. Hava s×cakl×ù× odan×n genelinde homojene yak×n bir davran×ü göstermekte olup oda içerisindeki ortalama hava s×cakl×ù× 292.6 K’dir ( ûekil 10 ). Kaynaklar [1] OKAMOTO, S., KúTORA, H., YAMA- GUCHú H., OKA, T.. ‘A simplified cal- culation method for estimating heat flux from ceiling radiant panels’. Energy and Buildings, 2010 [2] DUDKIEWICZ, E., JEZOWIECKI, J. ‘Measured radiant thermal fields in industrial spaces served by high in- tensity infrared heater’. Energy and Buildings,. 2009 [3] ZMEUREANU, R., FAZIO, P. P., HAG- HúGAT, F.. ‘Thermal Performance of Radiant Heating Panels’. ASHRAE Transaction 1988 [4] HOWELL, R. H., SURYANARAYANA, S.. ‘Sizing of radiant heating sys- tems: Part I-Ceiling Panels’. ASH- RAE Transaction, 1990 [5] BERGLUND, L., RASCATI, R., MAR- KEL, M. L. ‘Radiant heating control for comfort during transient conditi- ons.’ ASHRAE Transaction, 1982. [6] ROTH, K., DIECKMANN, J., BROD- RICK, J.. ‘únfrared radiant heaters’. ASHRAE Journal, 2007 [7] MYHREN, J. A., HOLMBERG, S.. ‘Flow patterns and thermal comfort in a room with panel, floor and wall he- ating’. Energy and Buildings, 2008 [8] STETIU, C. ‘Energy and peak power savings potential of radiant cooling systems in U.S. commercial buil- ûekil 9. Oda Modeli úçin z = 0.6 m, z = 1.8 m, z = 3 m Düzlemlerindeki S×cakl×k Daù×l×mlar×. ûekil 10. Oda Modeli úçin Hava S×cakl×k Daù×l×m×n×n Hacimsel Gösterimi. dings.’ Energy and Buildings, 1999 [9] IMANARI, T., OMORI, T., BOGAKI, K. ‘Thermal comfort and energy consumption of the radiant ceiling panel system. Comparison with the conventional all-air system’. Energy and Buildings, 1999 [10] VANGTOOK, P., CHIRARATTANANON, S.. ‘An experimental investigation of application of radiant cooling in hot humid climate.’ Energy and Buildin- gs, 2006 [11] MIRIEL, J., SERRES, L. TROMBE, A.. Radiant ceiling panel heating-co- oling systems: experimental and simulated study of the performan- ces, thermal comfort and energy consumptions. Applied Thermal Engineering, 2002 [12] FANGER, P. O. ‘Thermal Comfort, Analysis and Application in Envi- ronment Engineering’. Danish Tech- nical Press, 1970 [13] EN ISO 7730 Ergonomics of thermal environment-Analytical determina- tion and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria, 2005 [14] ASHRAE Standart 55 Thermal envi- ronment conditions for human oc- cupancy, ASHRAE., 2003. [15] <http://www.mgm.gov.tr/ >, 11.02.2012. [16] <http://www.igdas.com.tr/ >, 01.04.2012.