Year 2011, Volume 35 , Issue 3, Pages 367 - 378 2011-03-01

Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion
Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion

Marneni NARAHARI [1] , M. Yunus NAYAN [2]


An analytical study of free convection flow near an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and constant mass diffusion was performed. The mathematical model reduced to a system of coupled linear partial differential equations for the velocity, the temperature, and the concentration; the closed-form exact solutions were obtained by the Laplace transform method. Representative velocity and temperature profiles were graphed and the numerical values of the skin friction and the Nusselt number were calculated. The effects of different system parameters, such as the radiation parameter, buoyancy ratio, Grashof number, Prandtl number, Schmidt number and time on the velocity, temperature, skin friction, and Nusselt number, were examined in detail. It was observed that the velocity increased for aiding flows, whereas it decreased for opposing flows. The velocity decreased with increasing Schmidt number and radiation parameter. The skin friction decreased in the presence of aiding flows whereas it increased in the presence of opposing flows. Furthermore, the skin friction increased with increasing Schmidt number and radiation parameter.
An analytical study of free convection flow near an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and constant mass diffusion was performed. The mathematical model reduced to a system of coupled linear partial differential equations for the velocity, the temperature, and the concentration; the closed-form exact solutions were obtained by the Laplace transform method. Representative velocity and temperature profiles were graphed and the numerical values of the skin friction and the Nusselt number were calculated. The effects of different system parameters, such as the radiation parameter, buoyancy ratio, Grashof number, Prandtl number, Schmidt number and time on the velocity, temperature, skin friction, and Nusselt number, were examined in detail. It was observed that the velocity increased for aiding flows, whereas it decreased for opposing flows. The velocity decreased with increasing Schmidt number and radiation parameter. The skin friction decreased in the presence of aiding flows whereas it increased in the presence of opposing flows. Furthermore, the skin friction increased with increasing Schmidt number and radiation parameter.
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Primary Language tr
Journal Section Articles
Authors

Author: Marneni NARAHARI

Author: M. Yunus NAYAN

Dates

Publication Date : March 1, 2011

Bibtex @ { tbtkengineering144940, journal = {Turkish Journal of Engineering and Environmental Sciences}, issn = {1300-0160}, eissn = {1303-6157}, address = {}, publisher = {TUBITAK}, year = {2011}, volume = {35}, pages = {367 - 378}, doi = {}, title = {Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion}, key = {cite}, author = {NARAHARI, Marneni and NAYAN, M. Yunus} }
APA NARAHARI, M , NAYAN, M . (2011). Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion. Turkish Journal of Engineering and Environmental Sciences , 35 (3) , 367-378 . Retrieved from https://dergipark.org.tr/en/pub/tbtkengineering/issue/12125/144940
MLA NARAHARI, M , NAYAN, M . "Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion". Turkish Journal of Engineering and Environmental Sciences 35 (2011 ): 367-378 <https://dergipark.org.tr/en/pub/tbtkengineering/issue/12125/144940>
Chicago NARAHARI, M , NAYAN, M . "Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion". Turkish Journal of Engineering and Environmental Sciences 35 (2011 ): 367-378
RIS TY - JOUR T1 - Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion AU - Marneni NARAHARI , M. Yunus NAYAN Y1 - 2011 PY - 2011 N1 - DO - T2 - Turkish Journal of Engineering and Environmental Sciences JF - Journal JO - JOR SP - 367 EP - 378 VL - 35 IS - 3 SN - 1300-0160-1303-6157 M3 - UR - Y2 - 2020 ER -
EndNote %0 Turkish Journal of Engineering and Environmental Sciences Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion %A Marneni NARAHARI , M. Yunus NAYAN %T Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion %D 2011 %J Turkish Journal of Engineering and Environmental Sciences %P 1300-0160-1303-6157 %V 35 %N 3 %R %U
ISNAD NARAHARI, Marneni , NAYAN, M. Yunus . "Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion". Turkish Journal of Engineering and Environmental Sciences 35 / 3 (March 2011): 367-378 .
AMA NARAHARI M , NAYAN M . Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion. Turkish Journal of Engineering and Environmental Sciences. 2011; 35(3): 367-378.
Vancouver NARAHARI M , NAYAN M . Free convection flow past an impulsively started infinite vertical plate with Newtonian heating in the presence of thermal radiation and mass diffusion. Turkish Journal of Engineering and Environmental Sciences. 2011; 35(3): 378-367.