Mohammad Abdur Rob | Bangladesh University of Engineering & Technology (original) (raw)
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Heat transfer phenomenon in a square cavity with a heated rectangular enclosure is performed nume... more Heat transfer phenomenon in a square cavity with a heated rectangular enclosure is performed numerically. Galerkin weighted residual finite element method is used to solve two-dimensional governing mass, momentum and energy equations for steady state, free convection flow in presence of Magnetohydrodynamic (MHD) effect. The observations are handled for different values of Rayleigh number (Ra) and Hartmann number (Ha). Various characteristics of streamlines, isothermal lines, heat transfer rate in terms of the average Nusselt number (Nu av) and average velocity magnitude (V av) are presented for different parameters. The effect of physical parameter (area of the heated rectangular enclosure, A) is also shown here. The results indicate that the flow models and velocity magnitude field are significantly dependent on the above mentioned parameters.
AIUB Journal of Science and Engineering (AJSE), 2020
Articles regarding water pollution of Turag river have been reviewed and compiled as a review pap... more Articles regarding water pollution of Turag river have been reviewed and compiled as a review paper from various published articles of international reputed journals annual/environmental reports of recognized organization and e-books. Besides, this work finds the interpretation of data and discussions published in different research papers. The water of Turag river is not fit for washing, underwater life and domestic supply because of the sever effect of the release of untreated industrial and domestic effluents. The water quality of Turag river. A wide range of contaminants are continuously introduced into the Turag river and their toxicity is a problem of increasing significance for ecological, evolutionary, and environmental reasons. The prevailing condition of the river is of serious concern, and there is an urgent need to take strict measures to ensure cleansing of the river and prevent further contamination. This review work provides views and proposals to explain the assessm...
Every challenging work needs self efforts as well as guidence of elders especially those who were... more Every challenging work needs self efforts as well as guidence of elders especially those who were very close to our heart. My humble effort I dedicate to My Mother (late) who taught me to trust in Allah, encouraging me to believe in myself and hard work. v ACKNOWLEDGEMENT In the name of Allah, the Most Merciful, the Most Kind. All praises for Almighty Allah, Whose uniqueness, oneness and wholeness is unchallengeable and without His help no work would have been possible to reach the goal.
Heat transfer phenomenon in a square cavity with a heated rectangular enclosure is performed nume... more Heat transfer phenomenon in a square cavity with a heated rectangular enclosure is performed numerically. Galerkin weighted residual finite element method is used to solve two-dimensional governing mass, momentum and energy equations for steady state, free convection flow in presence of Magnetohydrodynamic (MHD) effect. The observations are handled for different values of Rayleigh number (Ra) and Hartmann number (Ha). Various characteristics of streamlines, isothermal lines, heat transfer rate in terms of the average Nusselt number (Nu av) and average velocity magnitude (V av) are presented for different parameters. The effect of physical parameter (area of the heated rectangular enclosure, A) is also shown here. The results indicate that the flow models and velocity magnitude field are significantly dependent on the above mentioned parameters.
AIUB Journal of Science and Engineering (AJSE), 2020
Articles regarding water pollution of Turag river have been reviewed and compiled as a review pap... more Articles regarding water pollution of Turag river have been reviewed and compiled as a review paper from various published articles of international reputed journals annual/environmental reports of recognized organization and e-books. Besides, this work finds the interpretation of data and discussions published in different research papers. The water of Turag river is not fit for washing, underwater life and domestic supply because of the sever effect of the release of untreated industrial and domestic effluents. The water quality of Turag river. A wide range of contaminants are continuously introduced into the Turag river and their toxicity is a problem of increasing significance for ecological, evolutionary, and environmental reasons. The prevailing condition of the river is of serious concern, and there is an urgent need to take strict measures to ensure cleansing of the river and prevent further contamination. This review work provides views and proposals to explain the assessm...
Every challenging work needs self efforts as well as guidence of elders especially those who were... more Every challenging work needs self efforts as well as guidence of elders especially those who were very close to our heart. My humble effort I dedicate to My Mother (late) who taught me to trust in Allah, encouraging me to believe in myself and hard work. v ACKNOWLEDGEMENT In the name of Allah, the Most Merciful, the Most Kind. All praises for Almighty Allah, Whose uniqueness, oneness and wholeness is unchallengeable and without His help no work would have been possible to reach the goal.