Thematic Structure in Scientific Texts

Lazim, Nor Hazila Mat; Hassan, Ariezal Afzan

doi:10.37052/jb.19(2)no5

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“…Heat transfer field holds the promises; it is the most important field that could be helpful in such issue. It can reduce the wasted energy significantly in the case of employing an effective and well functional technique in many applications, such as electronic device cooling, heat exchangers, and nuclear reactor cooling [3][4][5][6][7]. In general, the desired magnification of gained heat could be achieved by primarily two techniques.…”

Section: Introductionmentioning

confidence: 99%

Augmentation of Heat Transfer in Corrugated Tube Using Four-Start Spiral Wall

Smaisim

2018

QJES

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This article dealt with an important heat transfer field, which is passive heat transfer technique represented by corrugated tube. The study conducted numerically by ANSYS Fluent 14. The motivation behind the current study was to clarify the characteristics and merits of such tube geometry in terms of heat transfer and pressure drop. The obtained results reported under constant heat flux, temperature-dependent thermo-physical properties and Reynolds number range of 300-1500. Results show good heat transfer enhancement of 6.15-33.24% in spite of an increase in friction factor of 1.80-2.93 times the smooth values. The corrugated tube with φ =4.76×10 -2 has the top thermal 1.16-1.25 for all Reynolds number. The most important finding is that the gained heat transfer is much more than the increase in pressure loss until a certain threshold of Reynolds number about 900, later, the pressure loss increase and dominates over the heat gained. The effect of Prandtl number on the heat transfer for three types of fluids produced too. A criterion correlation equation of Nusselt number developed to describe the cases of four starts spirally corrugated tubes by deviation ±3% compared with the simulation results.

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Section: Introductionmentioning

confidence: 99%

Augmentation of Heat Transfer in Corrugated Tube Using Four-Start Spiral Wall

Smaisim

2018

QJES

View full text Add to dashboard Cite

show abstract

Thematic Structure in Scientific Texts

Cited by 1 publication

References 0 publications

Augmentation of Heat Transfer in Corrugated Tube Using Four-Start Spiral Wall

Augmentation of Heat Transfer in Corrugated Tube Using Four-Start Spiral Wall

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