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EXPERIMENTAL-STUDY OF UNSTEADY FORCED-CONVECTION IN A DUCT WITH AND WITHOUT ARRAYS OF BLOCK-LIKE ELECTRONIC COMPONENTS
Date
1993-01-01
Author
LI, W
KAKAC, S
HATAY, FF
OSKAY, R
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An experimental apparatus was designed, built and used to study the behavior of transient forced convection in a rectangular duct with and without barriers due to a sinusoidal heat input at the inlet. to simulate the electric heating and cooling inside the computer. A wide range of Reynolds number (400 less-than-or-equal-to Re less-than-or-equal-to 20,000) and inlet frequencies (0.01 Hz less-than-or-equal-to beta less-than-or-equal-to 0.08 Hz) was covered in this experimental study for both laminar and turbulent flow. The experiments are carried out in the thermal entrance region with the fully developed velocity profile. The temperature variation at several locations along the duct was measured and recorded, and the experiment results showed that the oscillation at different locations are the sine variation with the same period as the heat input, while its amplitude decayed exponentially along the duct. The decay indexes are obtained from the experimental investigation under different conditions and presented in tabular and graphical forms.
Subject Keywords
General Engineering
URI
https://hdl.handle.net/11511/67765
Journal
WARME UND STOFFUBERTRAGUNG-THERMO AND FLUID DYNAMICS
DOI
https://doi.org/10.1007/bf01579624
Collections
Department of Mechanical Engineering, Article
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BibTeX
W. LI, S. KAKAC, F. HATAY, and R. OSKAY, “EXPERIMENTAL-STUDY OF UNSTEADY FORCED-CONVECTION IN A DUCT WITH AND WITHOUT ARRAYS OF BLOCK-LIKE ELECTRONIC COMPONENTS,”
WARME UND STOFFUBERTRAGUNG-THERMO AND FLUID DYNAMICS
, vol. 28, pp. 69–79, 1993, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/67765.