Journal ArticleDOI
Effect of geometric size of curved delta winglet vortex generators and tube pitch on heat transfer characteristics of fin-tube heat exchanger
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TLDR
In order to further improve the heat transfer performance of compact heat exchanger, curved delta winglet vortex generators with different geometric sizes are experimentally studied for circular tube-and-fin this paper.About:
This article is published in Experimental Thermal and Fluid Science.The article was published on 2017-04-01. It has received 97 citations till now. The article focuses on the topics: Heat transfer enhancement & Annular fin.read more
Citations
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Journal ArticleDOI
Numerical simulation of heat transfer enhancement in a plate-fin heat exchanger using a new type of vortex generators
TL;DR: In this paper, the effect of different vortex generators on fin-plate heat exchanger performance with a triangular channel cross-section is examined by considering the channel temperature and heat transfer coefficient.
Journal ArticleDOI
Heat transfer enhancement using different types of vortex generators (VGs): A review on experimental and numerical activities
Muhammad Awais,Arafat A. Bhuiyan +1 more
TL;DR: In this paper, the authors present a comprehensive review on heat transfer augmentation and pressure loss reduction of compact heat exchanger (CHXs) by using interrupted surfaces in the form of vortex generators (VGs).
Journal ArticleDOI
Heat transfer enhancement in fin-and-tube heat exchangers – A review on different mechanisms
TL;DR: A detailed review of experimental and numerical researches upon different mechanisms of heat transfer enhancement in fin-and-tube heat exchangers is performed and the relevant influences and operating conditions are thoroughly reviewed in this paper.
Journal ArticleDOI
Double-sided delta-wing tape inserts to enhance convective heat transfer and fluid flow characteristics of a double-pipe heat exchanger
Agung Tri Wijayanta,Indri Yaningsih,Indri Yaningsih,Muhammad Aziz,Takahiko Miyazaki,Takahiko Miyazaki,Shigeru Koyama +6 more
TL;DR: In this article, double-sided delta-wing (T-W) tape inserts were designed to enhance convective heat transfer of a double-pipe heat exchanger, which will boost the thermal performance of heat exchangers.
Journal ArticleDOI
Experimental investigation of heat transfer performance of corrugated tube with spring tape inserts
TL;DR: Turbulent forced convection in a corrugated tube with spring tape is investigated experimentally, for Reynolds numbers ranging from 10,000 to 50,000 as mentioned in this paper, where the working fluid is air.
References
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Journal ArticleDOI
Contributions to the Theory of Single-Sample Uncertainty Analysis
TL;DR: The concepts presented here were developed in connection with heat transfer and fluid mechanics research experiments of moderately large size and which may frequently require three experiments to be conducted.
Journal ArticleDOI
Sensible heat and friction characteristics of plate fin-and-tube heat exchangers having plane fins
TL;DR: In this paper, 15 samples of plate fin heat exchangers with different geometrical parameters, including the number of tube rows, fin spacing and fin thickness are tested and compared in an induced flow open wind tunnel.
Journal ArticleDOI
Heat transfer enhancement by winglet-type vortex generator arrays in compact plain-fin-and-tube heat exchangers
TL;DR: In this article, the potential of winglet type vortex generator arrays for air-side heat transfer enhancement is experimentally evaluated by full-scale wind-tunnel testing of a compact plain-fin-and-tube heat exchanger.
Journal ArticleDOI
Experimental investigations of thermal and flow characteristics of curved trapezoidal winglet type vortex generators
Guobing Zhou,Qiuling Ye +1 more
TL;DR: In this paper, the performance of a pair of new vortex generators, curved trapezoidal winglet (CTW) has been experimentally investigated and compared with traditional vortex generators using dimensionless factors, which indicated the advantages of using this kind of vortex generators for heat transfer enhancement.
Journal ArticleDOI
Experimental investigations of heat transfer enhancement by plane and curved winglet type vortex generators with punched holes
Guobing Zhou,Zhizheng Feng +1 more
TL;DR: In this article, the performance of curved winglet VGs with and without punched holes was investigated using dimensionless numbers, and the results showed that the hole punched at lower position in vertical direction and at the centerline of lateral direction presents better heat transfer enhancement and thermohydraulic performance.
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Heat transfer enhancement by winglet-type vortex generator arrays in compact plain-fin-and-tube heat exchangers
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Guobing Zhou,Zhizheng Feng +1 more