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Naik N, Channa, Borate, Krishna S., Verma, Munna, Bansode, Vaibhav H., Kannaiah, Shekar, Lamani, Venkatesh T, Majdi, Hasan Sh., Mohammad, Salah J. (1404). Heat Transfer Enhancement in Rectangular Channels with Punched V-Ribs: An Experimental Investigation. هنرهای کاربردی, (), -. doi: 10.22075/jhmtr.2025.38168.1772
Channa Keshava Naik N; Krishna S. Borate; Munna Verma; Vaibhav H. Bansode; Shekar Kannaiah; Venkatesh T Lamani; Hasan Sh. Majdi; Salah J Mohammad. "Heat Transfer Enhancement in Rectangular Channels with Punched V-Ribs: An Experimental Investigation". هنرهای کاربردی, , , 1404, -. doi: 10.22075/jhmtr.2025.38168.1772
Naik N, Channa, Borate, Krishna S., Verma, Munna, Bansode, Vaibhav H., Kannaiah, Shekar, Lamani, Venkatesh T, Majdi, Hasan Sh., Mohammad, Salah J. (1404). 'Heat Transfer Enhancement in Rectangular Channels with Punched V-Ribs: An Experimental Investigation', هنرهای کاربردی, (), pp. -. doi: 10.22075/jhmtr.2025.38168.1772
Naik N, Channa, Borate, Krishna S., Verma, Munna, Bansode, Vaibhav H., Kannaiah, Shekar, Lamani, Venkatesh T, Majdi, Hasan Sh., Mohammad, Salah J. Heat Transfer Enhancement in Rectangular Channels with Punched V-Ribs: An Experimental Investigation. هنرهای کاربردی, 1404; (): -. doi: 10.22075/jhmtr.2025.38168.1772

Heat Transfer Enhancement in Rectangular Channels with Punched V-Ribs: An Experimental Investigation

Journal of Heat and Mass Transfer Research
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 17 آبان 1404
نوع مقاله: Full Length Research Article
شناسه دیجیتال (DOI): 10.22075/jhmtr.2025.38168.1772
نویسندگان
Channa Keshava Naik N* 1؛ Krishna S. Borate2؛ Munna Verma2؛ Vaibhav H. Bansode3؛ Shekar Kannaiah4؛ Venkatesh T Lamani5؛ Hasan Sh. Majdi6؛ Salah J Mohammad7
1Department of Mechanical Engineering, BGS College of Engineering and Technology, Bangalore-560086 (Affiliated to Visvesvaraya Technological University, Belagavi), Karnataka, India.
2Department of Mechanical Engineering, Bhagwant University, Ajmer-305004, Rajasthan, India.
3Department of Mechanical Engineering, SKNCOE, Pune-41, Maharashtra, India.
4Department of Mechanical Engineering, Ballari Institute of Technology and Management, Ballari, India.
5Department of Mechanical Engineering, BMS College of Engineering , Bangalore (Affiliated to Visvesvaraya Technological University, Belagavi), Karnataka, India.
6Department of Chemical Engineering and Petroleum Industries, Al-Mustaqbal University College, Babylon 51001, Iraq
7Civil Engineering Department, Dijlah University College, Baghdad-00964, Iraq.
تاریخ دریافت: 09 تیر 1404،  تاریخ بازنگری: 26 مهر 1404،  تاریخ پذیرش: 17 آبان 1404 
چکیده
In recent decades, researchers have focused on passive techniques that use vortex generators (VGs) to enhance the transport of heat. By trying to decrease the flow's pressure drop, this study aims to examine the strength of the vortex produced by VGs. The result shows that the winglet vortex generators' increased attack angles produce stronger secondary flows, which improve fluid mixing and heat transfer coefficient. Experiments were carried out in the Reynolds number range of 4096 to 20,480 in the current study to assess pressure drop and heat transfer enhancement. The study's findings show that, with comparatively modest errors, the measured coefficients of heat transport from the test data have a same inclination as per trend. Compared to CRWVGs, RWVGs exhibit a lower pressure drop, however with a marginal reduction in heat transfer enhancements. Heat transfer performance was only decreased (by about 2.1%), when holes were added to RWVGs. But because of increased flow resistance, these improvements came with a higher pressure drop, for which RWVGs reached 35.37% and for CRWVGs even higher at 60°.
کلیدواژه‌ها
Heat transfer؛ attack angle؛ pressure decrease؛ and vortex intensity
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