Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator
This study introduces a novel grooved cone turbulator (GCT) designed to enhance the thermal efficiency of a heated tube. The performance of the GCT-equipped tube was compared to that of a simple cone turbulator (SCT) and a plain tube. To investigate the impact of the GCT's geometric characteris...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-02-01
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| Series: | Case Studies in Thermal Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X2401743X |
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| author | Bing Mei Azher M. Abed Pinank Patel Ankit Kedia Hamdi Ayed Abir Mouldi Ibrahim Mahariq |
| author_facet | Bing Mei Azher M. Abed Pinank Patel Ankit Kedia Hamdi Ayed Abir Mouldi Ibrahim Mahariq |
| author_sort | Bing Mei |
| collection | DOAJ |
| description | This study introduces a novel grooved cone turbulator (GCT) designed to enhance the thermal efficiency of a heated tube. The performance of the GCT-equipped tube was compared to that of a simple cone turbulator (SCT) and a plain tube. To investigate the impact of the GCT's geometric characteristics on hydrothermal parameters, tests were conducted on varying groove diameters (2.5–10 mm), twist angles (0–270°), and pitch lengths (40–70 mm). The results demonstrate that heat transfer is directly correlated with both groove diameter and twist angle, while it is inversely correlated with pitch length. Notably, the use of the GCT increased the Nusselt number and friction factor by as much as 762 % compared to the plain tube and by 221 % compared to the SCT-equipped tube. Among the three configurations tested—plain tube, SCT-equipped tube, and GCT-equipped tube—the GCT achieved the highest thermal enhancement factor (TEF) of 3.42. This optimal TEF of 3.42 was attained with a GCT featuring a twist angle of 90°, a groove diameter of 10 mm, and a pitch length of 5 cm. |
| format | Article |
| id | doaj-art-7137a8507e9749409d380e3482da4587 |
| institution | Kabale University |
| issn | 2214-157X |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj-art-7137a8507e9749409d380e3482da45872025-02-02T05:27:14ZengElsevierCase Studies in Thermal Engineering2214-157X2025-02-0166105712Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulatorBing Mei0Azher M. Abed1Pinank Patel2Ankit Kedia3Hamdi Ayed4Abir Mouldi5Ibrahim Mahariq6College of Construction Engineering, Yunnan Agricultural University, Kunming, Yunnan, 650000, ChinaAir Conditioning and Refrigeration Techniques Engineering Department, College of Engineering and Technologies, Al-Mustaqbal University, Babylon, 51001, Iraq; Al - Mustaqbal Center for Energy Research, Al-Mustaqbal University, Babylon, 51001, Iraq; Corresponding author. Al - Mustaqbal Center for energy research, Al-Mustaqbal University, 51001, Babylon, Iraq.Department of Mechanical Engineering, Faculty of Engineering & Technology Marwadi University, Rajkot, 360003, Gujarat, India; Corresponding author. Department of Mechanical Engineering, Faculty of Engineering & Technology Marwadi University, Rajkot, Gujarat, India.NIMS School of Mechanical and Aerospace Engineering, NIMS University Rajasthan, Jaipur, IndiaDepartment of Civil Engineering, College of Engineering, King Khalid University, Abha, 61421, Saudi Arabia; Higher Institute of Transport and Logistics of Sousse, University of Sousse, Sousse, 4023, TunisiaDepartment of Industrial Engineering, College of Engineering, King Khalid University, Abha, 61421, Saudi ArabiaGUST Engineering and Applied Innovation Research Center (GEAR), Gulf University for Science and Technology, Mishref, Kuwait; Department of Mathematics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 602105, Tamil Nadu, India; Applied Science Research Center, Applied Science Private University, Amman, Jordan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan; Corresponding author. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.This study introduces a novel grooved cone turbulator (GCT) designed to enhance the thermal efficiency of a heated tube. The performance of the GCT-equipped tube was compared to that of a simple cone turbulator (SCT) and a plain tube. To investigate the impact of the GCT's geometric characteristics on hydrothermal parameters, tests were conducted on varying groove diameters (2.5–10 mm), twist angles (0–270°), and pitch lengths (40–70 mm). The results demonstrate that heat transfer is directly correlated with both groove diameter and twist angle, while it is inversely correlated with pitch length. Notably, the use of the GCT increased the Nusselt number and friction factor by as much as 762 % compared to the plain tube and by 221 % compared to the SCT-equipped tube. Among the three configurations tested—plain tube, SCT-equipped tube, and GCT-equipped tube—the GCT achieved the highest thermal enhancement factor (TEF) of 3.42. This optimal TEF of 3.42 was attained with a GCT featuring a twist angle of 90°, a groove diameter of 10 mm, and a pitch length of 5 cm.http://www.sciencedirect.com/science/article/pii/S2214157X2401743XDouble-pipe heat exchangerGrooved cone turbulator (GCT)Pressure dropHeat transfer |
| spellingShingle | Bing Mei Azher M. Abed Pinank Patel Ankit Kedia Hamdi Ayed Abir Mouldi Ibrahim Mahariq Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator Case Studies in Thermal Engineering Double-pipe heat exchanger Grooved cone turbulator (GCT) Pressure drop Heat transfer |
| title | Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator |
| title_full | Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator |
| title_fullStr | Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator |
| title_full_unstemmed | Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator |
| title_short | Numerical investigation on thermal-fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator |
| title_sort | numerical investigation on thermal fractional characteristics inside a heated tube enhanced with a novel grooved cone turbulator |
| topic | Double-pipe heat exchanger Grooved cone turbulator (GCT) Pressure drop Heat transfer |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X2401743X |
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