4篇
您的检索式：作者名="Ahmad Azari"
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| 1 | An Experimental Study on Nanofluids Convective Heat Transfer Through a Straight Tube under Constant Heat Flux显示文摘In this work, the laminar convective heat transfer performance and the pressure drop of water-based nanofluids containing Al2O3, TiO2 and SiO2 nanoparticles flowing through a straight circular tube were experimentally investigated. The experimental results showed that addition of small amounts of nano-sized Al2O3 and TiO2 particles to de-ionized water increased heat transfer coefficients considerably, while the SiO2 nanofluids showed the opposite behavior attracting the authors' interests. An average of 16% and 8.2% increase in heat transfer coefficient were observed with the average of 28% and 15% penalty in pressure drop for Al2O3 and TiO2 nanofluids. | Ahmad Azari Mansour Kalbasi Masoud Derakhshandeh Masoud Rahimi | 2013 | Chinese Journal of Chemical Engineering2013，21，10： | 5 |
| 2 | An experimental comparison of water based alumina and silica nanofluids heat transfer in laminar flow regime显示文摘Experimental investigations were carried out to determine the convective heat transfer performance and pressure drop of Al2O3 /water and SiO2 /water nanofluids flowing through a circular tube. Measurements show that the addition of small amounts of nano-sized Al2O3 particles to the base fluid increases heat transfer coefficients considerably, while the result for the silica nanofluids contradicts with the alumina nanofluids and this leads to some interesting results. In the case of alumina nanofluids, an average increase of 16% in convective heat transfer coefficient is observed with an average penalty of 28% in pressure drop. Moreover, flow resistance increases significantly compared to the base fluid even at very low concentrations of nanofluids. Finally, measured heat transfer coefficients are compared with predicted ones from the correlation of Shah under the same conditions. | Azari Ahmad Kalbasi Mansour Derakhshandeh Masoud | 2013 | Journal of Central South University2013，20，12： | 2 |
| 3 | Thermal conductivity modeling of water containing metal oxide nanoparticles显示文摘The nano particles have demonstrated great potential to improve the heat transfer characteristics of heat transfer fluids.Possible parameters responsible for this increase were studied. The heat transfer profile in the nanolayer region was combined with other parameters such as volume fraction, particle radius thermal conductivity of the fluid, particle and nanolayer, to formulate a thermal conductivity model. Results predicting the thermal conductivity of nanofluids using the model were compared with experimental results as well as studies by other researchers. The comparison of the results obtained for the Cu O/water and Ti O2/water nanofluids studied shows that the correlation proposed is in closest proximity in predicting the experimental results for the thermal conductivity of a nanofluid. Also, a parametric study was performed to understand how a number of factors affect the thermal conductivity of nanofluids using the developed correlation. | Ahmad Azari | 2015 | Journal of Central South University2015，22，3： | 1 |
| 4 | Long‐Term Results of Split‐Skin Grafting in Combination with Excimer Laser for Stable Vitiligo显示文摘 | NAWAFAL‐MUTAIRI YASHPALMANCHANDA AZARIAL‐DOUKHI AHMADAL‐HADDAD | 2010 | Dermatologic Surgery2010，，4： | 1 |
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