Experimental Study of Laminar Heat Transfer to In-Tube Flow of Non-Newtonian Fluids

Joshi, S. D.; Bergles, A. E.

doi:10.1115/1.3244312

Cited by 39 publications

(15 citation statements)

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“…Hence, the effect of thermodependency is more pronounced for given ap~ and increasing the shear thinning of the fluid. This result confbrrns to the corrective factor for Nusselt correlation proposed by Mizushina et al [I I], and Joshi and Bergles [12].…”

Section: Liquid Solidification Fi Ee Zonesupporting

confidence: 82%

Study of cooling with solidification of a laminar thermodependent Herschel-Bulkley fluid flow in a convectively cooled annular duct

2001

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Summary. This article presents a numerical analysis of cooling with solidification for laminar HerschelBulkley fluid flow in an annular duct. The outer cylinder is subject to uniform cooling with the surrounding sink temperature below the freezing temperature of the fluid. The inner cylinder is considered adiabatic. It is assumed that all the physical properties of the fluid except the consistency K are constant. The K-T relation used is K = a exp (-bT). Under this cooling condition, the thermal entrance region consists of two parts. The first one is a liquid solidification free zone. The second one corresponds to the region where the solidification grows inward along the annular duct. The problem is governed by nine independent dimensionless numbers. Here, we focus on the effect of the rheological parameters and the thermodependency of K on the dynamic and thermal fields. The effects of the rheological parameters are analyzed through the flow behavior index n, and the relative dimension of the plug core flow ap,. Concerning the K-T variation effects, they can be described by the Pearson number Pn. Numerical results are obtained for the liquid-solidification free length zf, liquid-solid interface profile, pressure drop, axial velocity evolution, plug core dimension and local Nusselt number. They indicate how the effect of Pn depends on ape and n.

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Section: Liquid Solidification Fi Ee Zonesupporting

confidence: 82%

Study of cooling with solidification of a laminar thermodependent Herschel-Bulkley fluid flow in a convectively cooled annular duct

2001

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“…The equations proposed by Bassett and Welty (1975) and Joshi and Bergles (1980) when tested against the experimental data in Figures 5 and 6 respectively, demonstrate acceptable agreement. In Figure 5, except for the entrance region, Eq.…”

Section: Figure 6 Comparison Of Experimental Local Nusselt Number Witmentioning

confidence: 53%

“…Joshi and Bergles (1980) conducted experimental heat transfer study on HEMC (Cellulose ether powder) solutions, the results of which were tested against several correlating equations. The correlations of Bassett and Welty and Mahalingam et al were found to overestimate the Nusselt number for large values of Graetz numbers.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Heat Transfer to Pseudoplastic Fluids in Square and Circular Pipes

Lawal

Mujumdar

1987

Chemical Engineering Communications

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“…Results were presented in terms of detailed parametric relationships. To make the results useful to designers, correlations for Nusselt number, and a pressure drop parameter (friction Joshi and Bergles [106,108,125] analyzed laminarflow heat transfer in circular tubes, with uniform wall heat flux, for non-Newtonian fluids. They compared the results of the analytical study with available correlations.…”

Section: Laminar Internal Flowmentioning

confidence: 99%

heat in history Artwork—A Review of Research Work Done by Professor Arthur (Art) E. Bergles

Kandlikar¹

1998

Heat Transfer Engineering

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Professor Arthur E Bergles has made major contributions in a number ofareas in heat transfer. This article presents a review of300 papers published by him, and with his students and co-workers. through December 1996. Professor Bergles' research work can be broadlv categorized into seven areas: (I) enhanced heat transfer.(2) two-phase flow and heat transfer.(3) heat transfer 10 refrigerants (boiling and condensation). (4) cooling of electronic components, (5) laminar internal flow, (6) review and general articles, and (7) history of heat transfer. This research. conducted over more than 30 years, has produced a wealth of high-quality experimental data, theoretical models, and practical applications. One of the major objectives of this article is 10 highlight these contributions and identify their sources, to facilitate future researchers and designers in developing new theoretical models and in designing industrial equipment. The present article presents a comprehensive survey of his research work."The list of references is in a slightly different format. Since there are many articles with the same authors in a given year of publication, the articles are numbered and are listed in chronological order. The articles arc referenced by these numbers in the table and the text (within square brackets).

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Experimental Study of Laminar Heat Transfer to In-Tube Flow of Non-Newtonian Fluids

Cited by 39 publications

References 0 publications

Study of cooling with solidification of a laminar thermodependent Herschel-Bulkley fluid flow in a convectively cooled annular duct

Study of cooling with solidification of a laminar thermodependent Herschel-Bulkley fluid flow in a convectively cooled annular duct

Experimental Study of Heat Transfer to Pseudoplastic Fluids in Square and Circular Pipes

heat in history Artwork—A Review of Research Work Done by Professor Arthur (Art) E. Bergles

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