پیوندهای مفید
آمار
| تعداد نشریات | 8 |
| تعداد شماره‌ها | 422 |
| تعداد مقالات | 5,533 |
| تعداد مشاهده مقاله | 6,392,005 |
| تعداد دریافت فایل اصل مقاله | 5,490,648 |
بررسی تجربی انتقال حرارت جابه‌جایی دوغاب مواد تغییر فاز درون لولهای همراه با پرههای پروانه‌ای | ||
| نشریه مهندسی مکانیک امیرکبیر | ||
| مقاله 12، دوره 52، شماره 6، شهریور 1399، صفحه 1561-1576 اصل مقاله (2.04 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22060/mej.2018.14356.5843 | ||
| نویسندگان | ||
| مصطفی مشتاق1؛ احمد جامه خورشید* 2؛ احمد آذری3؛ حسن بازای4 | ||
| 1دانشکده مهندسی نفت، گاز و پتروشیمی، دانشگاه خلیج‌فارس | ||
| 2دانشکده مهندسی نفت، گاز و پتروشیمی، دانشگاه خلیج‌فارس، بوشهر | ||
| 3هیات علمی دانشکده نفت، گاز و پتروشیمی/ دانشگاه خلیج فارس | ||
| 4دانشجو | ||
| چکیده | ||
| در این مطالعه به بررسی اثر اضافه نمودن مواد تغییر فاز به سیال پایه آب و تولید دوغاب مواد تغییر فاز، پرداخته شد. بدین منظور یک دستگاه آزمایشگاهی آماده شد و مورد استفاده قرار گرفت. بخش اصلی این دستگاه شامل لولهای بود که دوغاب مواد تغییر فاز از دورن آن عبور داده میشود. این لوله با سطح مقطع دایرهای میباشد که تحت شار حرارتی ثابتی قرار دارد و مجهز به 6 حسگر دما برای اندازهگیری دمای دیواره و همچنین 2 عدد حسگر دما جهت اندازهگیری دمای سیال ورودی و خروجی میباشد. علاوه بر اثر افزودن مواد تغییر فاز، اثر قرارگیری پرههای پروان های شکل درون لوله نیز مورد مطالعه قرار گرفت و نتایج به دست آمده از هر دو حالت با یکدیگر مقایسه شدند. نتایج نشان داد که افزودن مواد تغییر فاز به سیال پایه میتواند میزان انتقال حرارت را بهطور متوسط تا 41 درصد بهبود بخشد. همچنین با قرارگیری پرههای پروانه-ای در مسیر جریانهای آرام، میزان انتقال حرارت تا 234 درصد برای آب خالص و تا 180 درصد برای دوغاب 10 درصد وزنی مواد تغییر فاز افزایش پیدا کرد. دلیل این امر ایجاد اغتشاش در جریان و از بین رفتن لایهی مرزی گرمایی میباشد. | ||
| کلیدواژه‌ها | ||
| انتقال حرارت جابجایی؛ دوغاب مواد تغییر فاز؛ صفحه‌های پروانه‌ای شکل؛ ذخیره انرژی حرارتی؛ تبادلگر حرارتی | ||
| عنوان مقاله [English] | ||
| An Experimental Investigation of Convective Heat Transfer of Slurry Phase Change Material in a Tube with Butterfly Tube Inserts | ||
| نویسندگان [English] | ||
| mostafa moshtagh1؛ Ahmad Jamekhorshid2؛ Ahmad Azari3؛ hassan bazai4 | ||
| 1Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University | ||
| 2Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Bushehr | ||
| 3Assistant Professor of Chemical Engineering/ Persian Gulf University | ||
| 4Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University | ||
| چکیده [English] | ||
| In this study, the effect of adding of microencapsulated phase change material to pure water base fluid as a working fluid was investigated. To this end, a laboratory apparatus was prepared and used. The main part of this setup is a tube which is called test section. The test section has a circular cross- section under a constant heat flux and is equipped with 6 thermocouples for measuring wall temperature at 6 different points as well as 2 thermocouples to measure the inlet and outlet flow temperature into the tube. The effect of butterfly tube inserts was also studied and the results were compared with each other. The results indicated that adding phase change material to base fluid could improve the heat transfer rate up to 41%. In addition, when the butterfly blades were placed in the test section, it was observed that the heat transfer rate increased to 234% for pure water and up to 180% for the slurry with 10 wt% of microencapsulated phase change material. The blades increased heat transfer by creating turbulence in the flow and eliminating the thermal boundary layer. | ||
| کلیدواژه‌ها [English] | ||
| Convective heat transfer, Slurry phase change material, Butterfly tube inserts, Thermal energy storage, Heat exchanger | ||
| مراجع | ||
|
[1]H. Mohammed, G. Bhaskaran, N. Shuaib, and R.Saidur, "Heat transfer and fluid flow characteristics in microchannels heat exchanger using nanofluids: a review," Renewable and Sustainable Energy Reviews, vol. 15, pp. 1502-1512, 2011. [2] A. Azari and M. Derakhshandeh, "An experimental comparison of convective heat transfer and friction factor of Al2O3 nanofluids in a tube with and without butterfly tube inserts," Journal of the Taiwan Institute of Chemical Engineers, vol. 52, pp. 31-39, 2015. [3] M. A. Teamah, M. M. K. Dawood, and A. Shehata, "Numerical and experimental investigation of flow structure and behavior of nanofluids flow impingement on horizontal flat plate," Experimental Thermal and Fluid Science, vol. 74, pp. 235-246, 2016. [4] H. Yarmand, S. Gharehkhani, S. F. S. Shirazi, A. Amiri, M. S. Alehashem, M. Dahari, et al., "Experimental investigation of thermo-physical properties, convective heat transfer and pressure drop of functionalized graphene nanoplatelets aqueous nanofluid in a square heated pipe," Energy Conversion and Management, vol. 114, pp. 38-49, 2016. [5] L. Asmaie, M. Haghshenasfard, A. Mehrabani-Zeinabad, and M. N. Esfahany, "Thermal performance analysis of nanofluids in a thermosyphon heat pipe using CFD modeling," Heat and Mass Transfer, vol. 49, pp. 667-678, 2013. [6] B. Ruan, X. Gao, and H. Meng, "Numerical modeling of turbulent heat transfer of a nanofluid at supercritical pressure," Applied Thermal Engineering, vol. 113, pp. 994-1003, 2017. [7] A. Azari, M. Kalbasi, and M. Rahimi, "Numerical study on the laminar convective heat transfer of alumina/ water nanofluids," Journal of Thermophysics and Heat Transfer, vol. 27, pp. 170-173, 2013. [8] T. Kondo and T. Ibamoto, "Research on using the PCM for ceiling board," in Proceedings of the 9th International Conference on Thermal Energy Storage–Futurestock, 2003. [9] M. Farid and X. Chen, "Domestic electrical space heating with heat storage," Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, vol. 213, pp. 83-92, 1999. [10]F. Kuznik, J. Virgone, and J.-J. Roux, "Energetic efficiency of room wall containing PCM wallboard: a full-scale experimental investigation," Energy and buildings, vol. 40, pp. 148-156, 2008. [11]K. Peippo, P. Kauranen, and P. Lund, "A multicomponent PCM wall optimized for passive solar heating," Energy and buildings, vol. 17, pp. 259-270, 1991. [12]R. Kandasamy, X.-Q. Wang, and A. S. Mujumdar, "Transient cooling of electronics using phase change material (PCM)-basedheat sinks," Applied Thermal Engineering, vol. 28, pp. 1047-1057, 2008. [13]S. Baronetto, G. Serale, F. Goia, and M. Perino, "Numerical model of a slurry PCM-based solar thermal collector," in Proceedings of the 8th International Symposium on Heating, Ventilation and Air Conditioning, 2014, pp. 13-20. [14]E. Stamatiou and M. Kawaji, "Thermal and flow behavior of ice slurries in a vertical rectangular channel. Part I: Local distribution measurements in adiabatic flow," International Journal of Heat andMass Transfer, vol. 48, pp. 3527-3543, 2005. [15]A. Sarı and A. Biçer, "Thermal energy storage properties and thermal reliability of some fatty acid esters/building material composites as novel form-stable PCMs," Solar Energy Materials and Solar Cells, vol. 101, pp. 114-122, 2012. [16]L. Chen, T. Wang, Y. Zhao, and X.-R. Zhang, "Characterization of thermal and hydrodynamic properties for microencapsulated phase change slurry (MPCS)," Energy Conversion and Management, vol. 79, pp. 317-333, 2014. [17]W. Lu and S. Tassou, "Experimental study of the thermal characteristics of phase change slurries for active cooling," Applied Energy, vol. 91, pp. 366-374, 2012. [18]P. Zhang and Z. Ma, "An overview of fundamental studies and applications of phase change material slurries to secondary loop refrigeration and air conditioning systems," Renewable and Sustainable Energy Reviews, vol. 16, pp. 5021-5058, 2012. [19]X. Wang, J. Niu, and A. Van Paassen, "Raising evaporative cooling potentials using combined cooledceiling and MPCM slurry storage," Energy and Buildings, vol. 40, pp. 1691-1698, 2008. [20]S. K. Roy and B. L. Avanic, "Turbulent heat transfer with phase change material suspensions," International Journal of Heat and Mass Transfer, vol. 44, pp. 2277- 2285, 2001. [21]M. Huang, P. Eames, S. McCormack, P. Griffiths, and N. Hewitt, "Microencapsulated phase change slurries for thermal energy storage in a residential solar energy system," Renewable Energy, vol. 36, pp. 2932-2939, 2011. [22]M. Goel, S. Roy, and S. Sengupta, "Laminar forced convection heat transfer in microcapsulated phase change material suspensions," International journal of heat and mass transfer, vol. 37, pp. 593-604, 1994. [23]Y. Yamagishi, H. Takeuchi, A. T. Pyatenko, and N. Kayukawa, "Characteristics of microencapsulated PCM slurry as a heat-transfer fluid," AIChE Journal, vol. 45, pp. 696-707, 1999. [24]B. Chen, X. Wang, Y. Zhang, H. Xu, and R. Yang, "Experimental research on laminar flow performance of phase change emulsion," Applied thermal engineering, vol. 26, pp. 1238-1245, 2006. [25] X. Wang, J. Niu, Y. Li, X. Wang, B. Chen, R. Zeng, et al., "Flow and heat transfer behaviors of phase change material slurries in a horizontal circular tube," International journal of heat and masstransfer, vol. 50, pp. 2480-2491, 2007. [26] L. Wang and G. Lin, "Experimental study on the convective heat transfer behavior of microencapsulated phase change material suspensions in rectangular tube of small aspect ratio," Heat and Mass Transfer, vol. 48, pp. 83-91, 2012. [27] S. Song, W. Shen, J. Wang, S. Wang, and J. Xu, "Experimental study on laminar convective heat transfer of microencapsulated phase change material slurry using liquid metal with low melting point as carrying fluid," InternationalJournal of Heat and Mass Transfer, vol. 73, pp. 21-28, 2014. [28] S. Song, Q. Liao, W. Shen, Y. Ruan, and J. Xu, "Numerical study on laminar convective heat transfer enhancement of microencapsulated phase change material slurry using liquid metal with lowmelting point as carrying fluid," International Journal of Heat and Mass Transfer, vol. 62, pp. 286-294, 2013. [29] S. Doruk, O. N. Şara, A. Karaipekli, and S. Yapıcı, "Heat transfer performance of water and Nanoencapsulated n-nonadecane based Nanofluids in a double pipe heat exchanger," Heat and Mass Transfer, vol. 53, no. 12, pp. 3399-3408, 2017. [30] M. Delgado, A. Lázaro, C. Peñalosa, and B. Zalba Experimental analysis of the influence of microcapsule mass fraction on the thermal andrheological behavior of a PCM slurry," Applied Thermal Engineering, vol. 63, pp. 11-22, 2014. [31] A. B. Alquaity, S. A. Al-Dini, E. N. Wang, and B. S. Yilbas, "Numerical investigation of liquid flow with phase change nanoparticles in microchannels," International Journal of Heat and Fluid Flow, vol. 38, pp. 159-167, 2012. [32]R. Sabbah, M. M. Farid, and S. Al-Hallaj, "Micro- channel heat sink with slurry of water with micro- encapsulated phase change material: 3D-numerical study," Applied Thermal Engineering, vol. 29, pp. 445- 454, 2009. [33]M. I. Hasan, "Numerical investigation of counter flow microchannel heat exchanger with MEPCM suspension," Applied Thermal Engineering, vol. 31, pp. 1068-1075, 2011. [34]A. Azari and M. Derakhshandeh, "An experimental comparison of convective heat transfer and friction factor of Al 2 O 3 nanofluids in a tube with and without butterfly tube inserts," Journal of the Taiwan Institute of Chemical Engineers, vol. 52, pp. 31-39, 2015. [35]E. L. Alisetti and S. K. Roy, "Forced convection heat transfer to phase change material slurries in circular ducts," Journal of thermophysics and heat transfer, vol. 14, pp. 115-118, 2000. [36]H. Lu, H. R. Seyf, Y. Zhang, and H. Ma, "Heat transfer enhancement of backward-facing step flow by using nano-encapsulated phase change material slurry," Numerical Heat Transfer, Part A: Applications, vol. 67, pp. 381-400, 2015. [37]M. Sheikholeslami and S. Abelman, "Two-phase simulation of nanofluid flow and heat transfer in an annulus in the presence of an axial magnetic field," IEEE Transactions on Nanotechnology, vol. 14, pp. 561-569, 2015. [38]D. Wen and Y. Ding, "Experimental investigation into convective heat transfer of nanofluids at the entrance region under laminar flow conditions," International journal of heat and mass transfer, vol. 47, pp. 5181-5188 2004. [39] H. J. Jouybari, S. Saedodin, A. Zamzamian, M. E. Nimvari, and S. Wongwises, "Effects of porous material and nanoparticles on the thermal performance of a flat plate solar collector: An experimental study," Renewable Energy, vol. 114, pp. 1407-1418, 2017. | ||
|
آمار تعداد مشاهده مقاله: 749 تعداد دریافت فایل اصل مقاله: 1,224 |
||