نتایج جستجو برای: inverse heat transfer
تعداد نتایج: 547549 فیلتر نتایج به سال:
Fins are protrusions on a heat transfer surface to augment heat transfer rate from it. The increase in area exposed to convection in case of finned surfaces results in increased heat transfer rate. In this study heat transfer characteristics of a pin fin with perforation is numerically analyzed. A pin fin is fabricated and experiments are done under forced convection conditions. The experimenta...
The effect of temperature-dependent viscosity on heat transfer over a continuous moving surface with variable internal heat generation in micropolar fluids is studied. The fluid viscosity is assumed to vary as inverse linear function of temperature. The governing equations are transformed into dimensionless forms using the stream function and suitable variables then solved numerically using the...
In this paper, overall heat transfer coefficient and friction factor of water based γ-Al2O3 nanofluid in a double tube counter flow heat exchanger have been measured experimentally under turbulent flow condition. For better dispersion of γ-Al2O3 nanoparticles in distilled water, magnetic stirrer and ultrasonic vibrator (with a power of 240 kW and frequency of 35 kHz) were implemented. The stabi...
in this paper, turbulent mixed convective heat transfer of water and al2o3 nanofluid has been numerically studied in a horizontal tube under non-uniform heat flux on the upper wall and insulation in the lower wall using mixture model. for the discretization of governing equations, the second-order upstream difference scheme and finite volume method were used. the coupling of pressure and veloci...
در این پایان نامه هدف بدست آوردن شرایط مرزی روی دیواره لوله های حاوی سیالات بر اساس اندازه گیری میدان دمایی داخل جریان سیال می باشد. فهم کامل از ارتباط بین شرایط مرزی حاکم و میدان دمایی حاصل از آن کلید اصلی در طراحی حرارتی لوله ها می باشد. در فصل دوم کارهایی که تاکنون در زمینه مسائل معکوس در انتقال حرارت جابجایی داخل لوله انجام شده اند و روشهای بکار رفته برای حل آنها در این فصل بیان می شوند. آش...
in this paper, overall heat transfer coefficient and friction factor of water based γ-al2o3 nanofluid in a double tube counter flow heat exchanger have been measured experimentally under turbulent flow condition. for better dispersion of γ-al2o3 nanoparticles in distilled water, magnetic stirrer and ultrasonic vibrator (with a power of 240 kw and frequency of 35 khz) were implemented. the stabi...
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