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Talebian, Rasoul, Talebi, Mansour. (1401). An experimental study on pressuredrop of CNT/water nanofluid in a triple-tube heat exchanger. فناوری آموزش, 12(2), 225-236. doi: 10.22061/jcarme.2022.8582.2150
Rasoul Talebian; Mansour Talebi. "An experimental study on pressuredrop of CNT/water nanofluid in a triple-tube heat exchanger". فناوری آموزش, 12, 2, 1401, 225-236. doi: 10.22061/jcarme.2022.8582.2150
Talebian, Rasoul, Talebi, Mansour. (1401). 'An experimental study on pressuredrop of CNT/water nanofluid in a triple-tube heat exchanger', فناوری آموزش, 12(2), pp. 225-236. doi: 10.22061/jcarme.2022.8582.2150
Talebian, Rasoul, Talebi, Mansour. An experimental study on pressuredrop of CNT/water nanofluid in a triple-tube heat exchanger. فناوری آموزش, 1401; 12(2): 225-236. doi: 10.22061/jcarme.2022.8582.2150

An experimental study on pressuredrop of CNT/water nanofluid in a triple-tube heat exchanger

Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 7، دوره 12، شماره 2 - شماره پیاپی 24، اردیبهشت 2023، صفحه 225-236    اصل مقاله (693.4 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2022.8582.2150
نویسندگان
Rasoul Talebian1؛ Mansour Talebi* 2
1Islamic Azad University, Majlesi Branch, Isfahan, Iran
2Reactor and Nuclear Safety Research School, Nuclear Science and Technology Research Institute, Tehran, Iran
تاریخ دریافت: 18 آبان 1400،  تاریخ بازنگری: 29 مرداد 1401،  تاریخ پذیرش: 08 شهریور 1401 
چکیده
In the present study, the pressure drop of the nanofluid flow of carbon-water nanotubes (CNT/water) in a helical three-tube heat exchanger with constant fluid physical properties has been experimentally evaluated. For this purpose, first, the experimental device was designed and manufactured and then the carbon-water nanotube nanofluid with volume percentages of 0.01%, 0.1%, and 0.5% was prepared and stabilized. For the experiment, two triple-tube helical heat exchangers with different geometries are considered, in which the diameter of the middle pipe varies in two geometries. The pitch of the helical coil is 100mm and the helix radius is 9.235mm. The experiment was performed on Dean numbers between 1000 and 5000. The measured and calculated data were according to the available correlation in the literature with an error of less than 4%. It is found that at low volumetric percentages of CNT, the pressure drop is almost equal to that of the base fluid, and with increasing volumetric percentage of nanoparticles, the pressure drop also increases. By changing the geometry of the tube (decreasing the middle diameter of the tube), the pressure drop decreases.
کلیدواژه‌ها
Pressure-drop؛ Friction factor؛ Helical heat exchangers؛ Nanofluid؛ Experimental study
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