Повышение тепловых характеристик радиатора с вертикальным оребрением при использовании аэрозольно-испарительного охлаждения
Ключевые слова:
охлаждение, водовоздушный аэрозоль, туман, коэффициент теплоотдачи, радиаторАннотация
В данной работе проведено экспериментальное исследование конвекционного теплоотвода от вертикально расположенного радиатора с параллельными прямоугольными ребрами. Эксперименты проводились с целью изучения и оценки интенсификации теплоотдачи при различных мощностях нагрева за счет введения в воздух водовоздушного аэрозоля. Для данного исследования была разработана и сконструирована специальная экспериментальная установка, позволяющая проводить эксперименты по охлаждению как воздухом, так и водовоздушным аэрозолем. Влияние концентрации аэрозоля на интенсивность теплоотдачи было исследовано в диапазоне расхода воды mw = 90 – 430 мл/ч, в то время как температура поверхности изменялась от 29 до 110°C. Результаты экспериментов показали, что интенсификация теплоотдачи происходит по мере увеличения расхода воды и достигает максимума при mw = 430 мл/ч. Теплоотдача интенсифицируется в среднем в 1,28, 1,81, 2,37, 2,83 раз по сравнению с традиционным воздушным охлаждением в диапазоне mw = 90 – 430 мл/ч. Кроме того, было исследовано влияние водовоздушного охлаждения при различных: шаге между ребрами, количестве ребер и площади охлаждаемой поверхности.
Метрики
Библиографические ссылки
[APA]
1. Rong, H.Y., & Ming, C. (1995). Optimum Longitudinal Convective Fins Arrays. Int. Communications in Heat and Mass Transfer, 22(3), 445-460. Available: https://doi.org/10.1016/0735-1933(95)00029-X
2. Taheri, A., Moghadam, M.G., Mohammadi, M., Mohammad, P.-F., & Mohammad S. (2020). A new design of liquid-cooled heat sink by altering the heat sink heat pipe application: Experimental approach and prediction via artificial neural network. Energy Conversion and Management, 206, 112485. Available: https://doi.org/10.1016/j.enconman.2020.112485
3. Mira-Hernández, C., Clark, M.D., Weibel, J.A., & Garime S.V. (2018). Development and validation of a semi-empirical model for two-phase heat transfer from arrays of impinging jets. International Journal of Heat and Mass Transfer, 124, 782-793. Available: https://doi.org/10.1016/j.ijheatmasstransfer.2018.03.047
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16. Yalcin, H.G., Baskaya, S., & Sivrioglu, M. (2008). Numerical analysis of natural convection heat transfer from rectangular shrouded fin arrays on a horizontal surface. International Communications in Heat and Mass Transfer, 35(3), 299-311. Available: https://doi.org/10.1016/j.icheatmasstransfer.2007.07.009
17. Barrow, H., & Pope, C.W. (2007). Droplet evaporation with reference to the effectiveness of water-mist cooling. Applied energy, 84(4), 404-412. Available: https://doi.org/10.1016/j.apenergy.2006.09.007
18. Kudo, T., Sekiguchi, K., Sankoda K., Namiki, N., & Nii S. (2016). Effect of ultrasonic frequency on size distributions of nanosized mist generated by ultrasonic atomization. Ultrasonics sonochemistry, 37, 16-22. Available: https://doi.org/10.1016/j.ultsonch.2016.12.019
19. Cengel, Y. Heat and Mass Transfer. A practical approach. Columbus (GA, USA): Mc-Graw Hill Education, 2003. 874 с.
20. Moffat, R.J. (1988). Describing the Uncertainties in Experimental Results. Experimental Thermal and Fluid Science, 1 , 3-17. Available: https://doi.org/10.1016/0894-1777(88)90043-x
21. Harahap, F., & McManus, H.N. (1967). Natural convection heat transfer from horizontal rectangular fin arrays. Journal of Heat Transfer, 89(1), 32–38. Available: https://doi.org/10.1115/1.3614318
22. Baskaya, S., Sivrioglu, M., & Ozek, M. (2000). Parametric study of natural convection heat transfer from horizontal rectangular fin arrays. International Journal of Thermal Sciences, 39(8), 797-805. Available: https://doi.org/10.1016/s1290-0729(00)00271-4
[ГОСТ Р 7.0.5–2008]
1. Rong H. Y., Ming C. Optimum Longitudinal Convective Fins Arrays // Int. Communications in Heat and Mass Transfer. 1995. Vol. 22(3). P. 445-460.
DOI: https://doi.org/10.1016/0735-1933(95)00029-X
2. A new design of liquid-cooled heat sink by altering the heat sink heat pipe application: Experimental approach and prediction via artificial neural network / A. Taheri, M.G. Moghadam, M. Mohammadi et al. // Energy Conversion and Management. 2020. Vol. 206. P. 112485.
DOI: https://doi.org/10.1016/j.enconman.2020.112485
3. Development and validation of a semi-empirical model for two-phase heat transfer from arrays of impinging jets / C. Mira-Hernández, M.D. Clark, J.A. Weibel, S.V. Garime // International Journal of Heat and Mass Transfer. 2018. Vol. 124. P. 782-793.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2018.03.047
4. Enhancing heat transfer in air-cooled heat sinks using piezoelectrically-driven agitators and synthetic jets / Y.Yu, T.W. Simon, M. Zhang et al. // International Journal of Heat and Mass Transfer. 2014. Vol. 184. P. 184-193.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2013.09.001
5. Altun A.H., Ziylan O. Experimental investigation of the effects of horizontally oriented vertical sinusoidal wavy fins on heat transfer performance in case of natural convection // International Journal of Heat and Mass Transfer. 2019. Vol. 139. P. 425-431.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2019.05.009
6. Experimental and numerical investigation of natural convection heat transfer of W-type fin arrays / K. Zhang, M.-J. Li, F.-L. Wang, Y.-L. He // International Journal of Heat and Mass Transfer. 2020. Vol. 152. P. 119315.
DOI: http://doi.org/10.1016/j.icheatmasstransfer.2021.105556
7. Taji, S.G., Parishwad G.V., Sane N.K. Enhanced performance of horizontal rectangular fin array heat sink using assisting mode of mixed convection // International Journal of Heat and Mass Transfer. 2014. Vol. 72. P. 250-259.
DOI: http://doi.org/10.1016/j.ijheatmasstransfer.2014.01.012
8. Güvenç A., Yüncü H. An experimental investigation on performance of fins on a horizontal base in free convection heat transfer // International Journal of Heat and Mass Transfer. 2001. Vol. 37(4-5). P. 409-416.
DOI: https://doi.org/10.1007/s002310000139
9. Abed A.H., Shcheklein S.E., Pakhaluev V.M. Investigation of heat transfer coefficient of spherical element using infrared thermography (IR) and gas-water droplets (mist) as working medium // IOP Conf. Ser.: Mat. Sc. Eng. 2019. Vol. 481(1). P. 012033.
DOI: https://doi.org/10.1088/1757-899x/481/1/012033 [eLIBRARY: 38723553]
10. Experimental and numerical study of air-water mist jet impingement cooling on a cylinder / C. Khangembam, D. Singh, J. Handique, K. Singh // International Journal of Heat and Mass Transfer. 2020. Vol. 150. P. 119368.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2020.119368
11. Yu F.W., Chan K.T. Improved energy performance of air-cooled chiller system with mist pre-cooling // Applied Thermal Engineering. 2011. Vol. 31(4). P. 537-544.
DOI: https://doi.org/10.1016/j.applthermaleng.2010.10.012
12. Lee S.L,, Yang Z.H., Hsyua Y. Cooling of a Heated Surface by Mist Flow // Journal of Heat Transfer. 1994. Vol. 116(1). P. 167-172.
DOI: https://doi.org/10.1115/1.2910851
13. Abed A.H., Shcheklein S.E., Pakhaluev V.M. Experimental investigation of hydrodynamics and heat transfer of sphere cooling using air/water mist two phase flow // IOP Conf. Ser.: Mat. Sc. Eng. 2019. Vol. 552(1). P. 012001.
DOI: https://doi.org/10.1088/1757-899x/552/1/012001
eLIBRARY: https://www.elibrary.ru/item.asp?id=41612376
14. Analysis of evaporating mist flow for enhanced convective heat transfer / N. Kumari, V. Bahadur, M. Hodes et al. // International Journal of Heat and Mass Transfer. 2010. Vol. 53(15-16). P. 3346-3356.
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2010.02.027
15. Enhanced cooling in a sealed cabinet using an evaporating-condensing dielectric mist / V. Bahadur, M. Hodes, A. Lyons et al. // 11th Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems. 2008. P. 1191-1198.
DOI: https://doi.org/10.1109/itherm.2008.4544396
16. Yalcin H. G., Baskaya S., Sivrioglu M. Numerical analysis of natural convection heat transfer from rectangular shrouded fin arrays on a horizontal surface // International Communications in Heat and Mass Transfer. 2008. Vol. 35(3). P. 299-311.
DOI: https://doi.org/10.1016/j.icheatmasstransfer.2007.07.009
17. Barrow H., Pope C.W. Droplet evaporation with reference to the effectiveness of water-mist cooling // Applied Energy. 2007. Vol. 84(4). P. 404-412.
DOI: https://doi.org/10.1016/j.apenergy.2006.09.007
18. Effect of ultrasonic frequency on size distributions of nanosized mist generated by ultrasonic atomization / T. Kudo, K. Sekiguchi, K. Sankoda et al. // Ultrasonics Sonochemistry. 2017. Vol. 37. P. 16-22.
DOI: https://doi.org/10.1016/j.ultsonch.2016.12.019
19. Cengel Y. Heat and Mass Transfer. A practical approach. Columbus (GA, USA): Mc-Graw Hill Education, 2003. 874 с.
20. Moffat R.J. Describing the Uncertainties in Experimental Results // Experimental Thermal and Fluid Science. 1988. Vol. 1. P. 3-17.
DOI: https://doi.org/10.1016/0894-1777(88)90043-x
21. Harahap F., McManus H.N. Natural convection heat transfer from horizontal rectangular fin arrays // Journal of Heat Transfer. 1967. P. 32–38.
DOI: https://doi.org/10.1115/1.3614318
22. Baskaya S., Sivrioglu M., Ozek M. Parametric study of natural convection heat transfer from horizontal rectangular fin arrays // International Journal of Thermal Sciences. 2000. Vol. 39(8). P. 797-805.
DOI: https://doi.org/10.1016/s1290-0729(00)00271-4
eLIBRARY: https://www.elibrary.ru/item.asp?id=15144648
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