[논문]Simulation study on an air flow window system with an integrated roll screen

doi:10.1016/S0378-7788(97)00012-1

Simulation study on an air flow window system with an integrated roll screen

Energy and buildings, v.26 no.3, 1997년, pp.317 - 325

Tanimoto, Jun (School of Engineering Sciences, Kyushu University, Kasuga-shi, Fukuoka, 816 Japan) , Kimura, Ken-ichi (Department of Architecture, School of Science and Engineering, Waseda University, Tokyo, Japan)

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AbstractA numerical calculation procedure for an air flow window (AFW) system integrated with a roll screen is presented. Both heat and air flows within the window elements such as the outside pane of glass, the outside air space, a venetian blind, the inside air space and a roll screen, are taken into account by considering the thermal and air flow networks. Agreements between measured and calculated results of temperatures and pressure differences through a series of experiments carried out in an environmental test chamber were observed. To identify the quantitative characteristics of an AFW integrated with a roll screen, a series of numerical simulations were performed with the results from using a large resistance to the air flow from the upper half area of the roll screen. These show that this was effective in terms of thermal characteristics and suggest that a tightly-meshed roll screen, situtated in the upper half area, is suitable for both environmental and design reasons. If the heated air flow generated from the inside air space to the room were dispersed properly, the thermal efficiency of the AFW integrated with a roll screen would be equal to a conventional AFW system. The effect of a cold draft passing though the roll screen is also discussed.

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참고문헌 (11)

Punttila 1983 4th Int. Symp. on the Use of Computers for Environmental Engineering Related to Buildings Heat transfer calculations of different types of window systems
1977 Performance of extract air windows
Gefwert 1981 Annual energy loss though a ventilation window
Enbom 1977 Solar Energy Recovery with Extract Air Window System
ASHRAE Trans. Ripatti 84-18 18 1984 Airflow window system-making fenestration the solution rather than the problem
1981 Evaluation of air flow windows
Aitken 1981 6th Int. Passive Solar Conference The use of air flow windows and blinds for building thermal control and for solar-assisted heating, cooling and Lighting
Gabirelsson 1977 10th World Energy Conference Extract air window; a key to better heat economy in buildings
Hirayama Vol. 2 1993 Experimental study on the air flow window constructed with roll shade Part 1
Tanimoto 1990 Proc. Int. CIB W67 Symp. on Energy, Moisture and Climate in Buildings Fundamental study on the indoor humidity regulation characteristics of porous building materials
Hirayama 1994 Proc. Ann. Meeting, SHASE Experimental study on the air flow window constructed with roll shade Part 2

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Simulation study on an air flow window system with an integrated roll screen

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