E-ISSN 2756-4843 | ISSN 0794-5698
 

Research Article 


Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel

babatunde aina.

Abstract
The effect of thermal radiation on steady fully developed natural convection flow in a vertical micro-channel is presented in this article. Effects of velocity slip and temperature jump conditions are taken into account due to their counter effects both on the volume flow rate and the rate of heat transfer. Due to the presence of thermal radiation, the momentum and energy equations are coupled system of ordinary differential equations. Governing coupled nonlinear equations are solved analytically by employing the perturbation analysis method to obtain an expression for fluid temperature, fluid velocity, rate of heat transfer and skin friction on the microchannel walls. The effect of various parameters controlling the physical situation such as thermal radiation, temperature difference, Knudsen number, and fluid wall interaction are discussed with the aid of line graphs and tables. Results indicate that both velocity and temperature enhanced with the increase of thermal radiation parameter.

Key words: Thermal Radiation; Natural Convection; Micro-channel; Velocity Slip; Temperature Jump


 
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Pubmed Style

aina b, . Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. Nig. J. Basic Appl. Sci.. 2020; 28(2): 20-28. doi:10.4314/njbas.v28i2.3


Web Style

aina b, . Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. http://www.njbas-udus.com/?mno=69943 [Access: March 25, 2021]. doi:10.4314/njbas.v28i2.3


AMA (American Medical Association) Style

aina b, . Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. Nig. J. Basic Appl. Sci.. 2020; 28(2): 20-28. doi:10.4314/njbas.v28i2.3



Vancouver/ICMJE Style

aina b, . Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. Nig. J. Basic Appl. Sci.. (2020), [cited March 25, 2021]; 28(2): 20-28. doi:10.4314/njbas.v28i2.3



Harvard Style

aina, b. & (2020) Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. Nig. J. Basic Appl. Sci., 28 (2), 20-28. doi:10.4314/njbas.v28i2.3



Turabian Style

aina, babatunde, and . 2020. Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. Nigerian Journal of Basic and Applied Sciences, 28 (2), 20-28. doi:10.4314/njbas.v28i2.3



Chicago Style

aina, babatunde, and . "Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel." Nigerian Journal of Basic and Applied Sciences 28 (2020), 20-28. doi:10.4314/njbas.v28i2.3



MLA (The Modern Language Association) Style

aina, babatunde, and . "Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel." Nigerian Journal of Basic and Applied Sciences 28.2 (2020), 20-28. Print. doi:10.4314/njbas.v28i2.3



APA (American Psychological Association) Style

aina, b. & (2020) Thermal Radiation Effect on Fully Developed Natural Convection Flow in a Vertical Micro-Channel. Nigerian Journal of Basic and Applied Sciences, 28 (2), 20-28. doi:10.4314/njbas.v28i2.3





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