Correlations for Convective Laminar Heat Transfer of Carreau Fluid in Straight Tube Flow

Sun Kyoung Kim
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Sun Kyoung Kim: Department of Mechanical System Design Engineering, Seoul National University of Science and Technology, Dasan Bldg. Room 234, 232 Gonreung-ro, Nowon-gu, Seoul 01811, Korea

Energies, 2022, vol. 15, issue 7, 1-13

Abstract: Correlations for the Nusselt number for the fully-developed laminar flow of Carreau fluids through circular pipe subject to a uniform heat flux have been sought. Based on the mathematical expression, the Nusselt number could be obtained by numerical integration. To evaluate the Nusselt number for many conditions, an efficient integration method has been proposed. Using the obtained Nusselt number for different material constants and flow conditions, an improved correlation method has been proposed. The proposed correlation could reduce the maximum error from 3% to 0.9%.

Keywords: nusselt number; carreau fluid; laminar flow; circular tube; correlation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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