COMPUTATION OF NATURAL VENTILATION OF BUILDING USING LOOP ANALYSIS

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MOGHIMAN M.; MORADI F.

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Journal: JOURNAL OF SCHOOL OF ENGINEERING Year:2002 | Volume:14 | Issue:2 Page(s): 127-140

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Information Journal Paper

Title

COMPUTATION OF NATURAL VENTILATION OF BUILDING USING LOOP ANALYSIS

Author(s)

MOGHIMAN M. | MORADI F. | Issue Writer Certificate

Keywords

NATURAL VENTILATIONQ4

LOOP ANALYSISQ4

WIND EFFECTQ4

STACK EFFECTQ4

Abstract

In this paper the flow rates in naturally ventilated buildings are calculated using one dimensional LOOP ANALYSIS in which the buoyancy forces are balanced by the pressure drops due to friction. The equations are extended to take into account the effects of wind and stack in multiple floor buildings. The procedure is straight forward and yields the zone air change rates without recourse to a complicated and time consuming calculation. Interaction between loops of multiple zone of multiple floor buildings requires iterations. For turbulent NATURAL VENTILATION, the friction factor is determined from an experiinental formulation. The results show that the ventilation air change rates depend on the net heat .gain to the power 0.33 for entrace/exit duct domination over internal friction, 0.5 for internal friction dominated conditions, and 1 for wind dominated conditions. The results of the procedure also reveal the significant effects of inlet and outlet surface areas on the ventilation of naturally ventilated buildings. The comparison of LOOP ANALYSIS results with empirical methods shows good agreement.

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APA: Copy

MOGHIMAN, M., & MORADI, F.. (2002). COMPUTATION OF NATURAL VENTILATION OF BUILDING USING LOOP ANALYSIS. JOURNAL OF SCHOOL OF ENGINEERING, 14(2), 127-140. SID. https://sid.ir/paper/22614/en

Vancouver: Copy

MOGHIMAN M., MORADI F.. COMPUTATION OF NATURAL VENTILATION OF BUILDING USING LOOP ANALYSIS. JOURNAL OF SCHOOL OF ENGINEERING[Internet]. 2002;14(2):127-140. Available from: https://sid.ir/paper/22614/en

IEEE: Copy

M. MOGHIMAN, and F. MORADI, “COMPUTATION OF NATURAL VENTILATION OF BUILDING USING LOOP ANALYSIS,” JOURNAL OF SCHOOL OF ENGINEERING, vol. 14, no. 2, pp. 127–140, 2002, [Online]. Available: https://sid.ir/paper/22614/en

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