OSCILLATORY HEAT TRANSFER COEFFICIENTS IN TRANSIENT NATURAL CONVECTION IN SQUARE CAVITIES

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MOLKI M.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:1996 | Volume:20 | Issue:3 Page(s): 351-359

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Information Journal Paper

Title

OSCILLATORY HEAT TRANSFER COEFFICIENTS IN TRANSIENT NATURAL CONVECTION IN SQUARE CAVITIES

Author(s)

MOLKI M.

Keywords

HEAT TRANSFER; NATURAL CONVECTION; CAVITY; OSCILLATION

Abstract

Transient natural convection in a square cavity is studied numerically. Before the onset of heat transfer, the temperature is uniform throughout the cavity. Then the side walls are heated and cooled by +Delta T and -Delta T,respectively. The top and bottom walls are insulated. The problem is formulated by the unsteady 2-D differential equations. In this study, Ra ranged from 10(-1) to 10(10) with Pr fixed at 0.71. The differential equations are solved by a control-volume-based finite difference method. With the unsteady formulation, the results are presented for the transient and steady states. It is found that, at higher Pa, the heat transfer coefficient has an oscillatory behavior as it approaches the steady solution Isotherms are also examined at different times.

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APA: Copy

MOLKI, M.. (1996). OSCILLATORY HEAT TRANSFER COEFFICIENTS IN TRANSIENT NATURAL CONVECTION IN SQUARE CAVITIES . IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 20(3), 351-359. SID. https://sid.ir/paper/529451/en

Vancouver: Copy

MOLKI M.. OSCILLATORY HEAT TRANSFER COEFFICIENTS IN TRANSIENT NATURAL CONVECTION IN SQUARE CAVITIES . IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 1996;20(3):351-359. Available from: https://sid.ir/paper/529451/en

IEEE: Copy

M. MOLKI, “OSCILLATORY HEAT TRANSFER COEFFICIENTS IN TRANSIENT NATURAL CONVECTION IN SQUARE CAVITIES ,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 20, no. 3, pp. 351–359, 1996, [Online]. Available: https://sid.ir/paper/529451/en

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