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Parametric Analysis of Helical Coil Heat Exchanger
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In this article, the authors deal with the parametric analysis of the helical coiled heat exchanger with various correlations given by different researchers for specific conditions, and present a model for specific data.Abstract:
Heat exchangers are the important engineering systems with wide variety of applications including power plants, nuclear reactors, refrigeration and air-conditioning systems, heat recovery systems, chemical processing and food industries. Helical coil configuration is very effective for heat exchangers and chemical reactors because they can accommodate a large heat transfer area in a small space, with high heat transfer coefficients. This paper deals with the parametric analysis of the helical coiled heat exchanger with various correlations given by different researchers for specific conditions. The parametric analysis of these various correlations with specific data is presented in this paper.read more
Citations
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CFD analysis on heat and flow characteristics of double helically coiled tube heat exchanger handling MWCNT/water nanofluids
TL;DR: In this investigation, the heat transfer and pressure drop of the double helically coiled heat exchanger handling MWCNT/water nanofluids have been analyzed by the computational software ANSYS 14.5 and it is found that the simulation data hold good agreement with the experimental data.
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On the role of nanofluids in thermal-hydraulic performance of heat exchangers - a review
TL;DR: The primary purpose of this work is to emphasize the important role of nanofluids and how this category of advanced fluids can significantly increase the thermal efficiency of heat exchangers for possible future applications.
Journal ArticleDOI
Experimental Investigation of Coil Curvature Effect on Heat Transfer and Pressure Drop Characteristics of Shell and Coil Heat Exchanger
TL;DR: In this article, the average Nusselt numbers of the two sides of the heat exchangers and the overall heat transfer coefficients increased by increasing coil curvature ratio, and a significant increase of 33.2-7.7% was obtained in the HCT-Fanning friction factor when δ increases from 0.0392 to 0.1194 within the investigated ranges of different parameters.
Journal ArticleDOI
Effect of Coil Torsion on Heat Transfer and Pressure Drop Characteristics of Shell and Coil Heat Exchanger
Journal ArticleDOI
Design and thermal evaluation of shell and helical coil heat exchanger
TL;DR: In this paper, the design of shell and helical coil heat exchanger and its thermal evaluation with counter flow configuration were discussed. And the thermal analysis was carried out considering the various parameters such as flow rate of cold water, flow rates of hot water, temperature, effectiveness and overall heat transfer coefficient.
References
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Journal ArticleDOI
XVI. Note on the motion of fluid in a curved pipe
TL;DR: In this paper, the motion of fluid in a curved pipe is described as follows: "note on the motion in a curve pipe" and "the motion in the fluid in the curved pipe".
Journal ArticleDOI
Note on the motion of fluid in a curved pipe
W. R. Dean,J. M. Hurst +1 more
TL;DR: In this paper, it is assumed that the actual secondary motion is replaced by a uniform stream; conditions in the central part of the section mainly determines the motion and the appropriate velocity of the stream can be determined from the relation that has been found experimentally between the rate of flow in a curved pipe and the pressure gradient.
Journal ArticleDOI
A review of flow and heat transfer characteristics in curved tubes
Paisarn Naphon,Somchai Wongwises +1 more
TL;DR: In this paper, a literature review on heat transfer and flow characteristics of single-phase and two-phase flow in curved tubes is presented, where three main categories of curved tubes; helically coiled tubes, spirally coiling tubes, and other coiled tube, are described.
Journal ArticleDOI
Effect of secondary fluid motion on laminar flow heat transfer in helically coiled tubes
Journal ArticleDOI
Streamline Flow through Curved Pipes
TL;DR: In this paper, the authors defined a numerical coefficient, defined as F d /8 μv representing the increase of resistance due to curvature, d, diameter of pipe, D, mean diameter of coil.