Performance investigation and comparison of different turbulator shapes in solar water heating collector system

Khargotra, Rohit; Dhingra, Sunil; Chauhan, Ranchan; Singh, Tej

doi:10.1063/1.5033173

Cited by 14 publications

(5 citation statements)

References 1 publication

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“…The Experimental Efficiency Versus Day Time for Elliptical Pipes Solar Collector With and Without Coil InsertsThe validation is done between the results of present work and Jamal H [11]. work as shown in figure (5) to validate the results of outlet water temperature and ambient temperature with time of day for winter season and a good convergence in behavior is noticed.…”

mentioning

confidence: 68%

An Experimental Investigation of an Elliptical Risers Flat-Plate Collector using Coils Insert

Aabied¹,

Tjprc²

2019

IJMPERD

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A flat-plate solar collector system is investigated with five elliptical risers that utilized for heating the water. Two solar collectors are used with and without coil inserts. Four elliptical coils are used as inserts for each risers of the heat solar collector. The two heat collectors are operated during the periods from 3rd to 5th January2019 of winter season with constant tilted angle of 54oat sunny weather in Baghdad city (33.3oN and 44.3oE). The experimental results indicate that the solar collector system with elliptical coils inserts gave the best performance in term of outlet temperature about 13% more than that solar collector without inserts. Also, the efficiency of solar collector with coil inserts increased about 20% than that solar collector without inserts. The present results are compared with previous work and a good convergence in behavior is noticed.

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confidence: 68%

An Experimental Investigation of an Elliptical Risers Flat-Plate Collector using Coils Insert

Aabied¹,

Tjprc²

2019

IJMPERD

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“…They reported that the thermal efficiency increases when using a wire coil insert as compared to without a standard collector. Khargotra et al 17 conducted a comparison on the effects of different turbulators on the performance of a flat plate collector. They experimentally clarified the effect of using coil‐spring and twist tape inserts inside the absorber tube on the thermal efficiency and heat transfer of a flat‐plate collector.…”

Section: Intoductionmentioning

confidence: 99%

Numerical and experimental study of a thermosyphon closed‐loop system for domestic applications

2020

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A numerical and experimental study has been conducted to enhance the thermal performance of the thermosyphon system. The enhancement response focused on the temperature of both the working fluid within the system loop and water inside the tank. To achieve this, three models were investigated to increase the surface area of the riser pipe without changing the amount of the working fluid. The first one (model A) involved increasing the diameter of the riser pipe and inserting a closed tube inside it to maintain the same amount of working fluid. The second method (model B) involved adding toroidal fins around the riser pipe. However, the third model (model C) combined both models (A and B). The thermal performance of the thermosyphon system for the conventional model has been compared experimentally. Furthermore, numerical simulations for all cases have been done using commercial computational fluid dynamics, ANSYS R 19.3 software. The results show that there is good agreement between the experimental and numerical results. Furthermore, it is found that the thermal responses of models A and B are approximately equal and both are higher than that of the traditional model. Moreover, the thermal performance of model C is found to be higher than those of all the other models under study.

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“…The TT is usually made of metallic material, with proper dimensioning. TT is also considered the eddy generator that enhances the HT coefficient [ [14] , [15] , [16] , [17] , [18] ]. The goal of the current study is to provide the necessary information of twisted tape geometry fixed in the tube for the thermal enhancement of the system [ [19] , [20] , [21] , [22] , [23] ].…”

Section: Introductionmentioning

confidence: 99%

A review of different twisted tape configurations used in heat exchanger and their impact on thermal performance of the system

Khargotra

Kumar

Nadda

et al. 2023

Heliyon

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Performance investigation and comparison of different turbulator shapes in solar water heating collector system

Cited by 14 publications

References 1 publication

An Experimental Investigation of an Elliptical Risers Flat-Plate Collector using Coils Insert

An Experimental Investigation of an Elliptical Risers Flat-Plate Collector using Coils Insert

Numerical and experimental study of a thermosyphon closed‐loop system for domestic applications

A review of different twisted tape configurations used in heat exchanger and their impact on thermal performance of the system

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