Author(s): Rajesh Kumar Chaodhary, Ajaib S. Banyal

Email(s): rajesh90945@gmail.com , ajaibbanyal@rediffmail.com

DOI: 10.5958/2349-2988.2017.00010.9   

Address: Rajesh Kumar Chaodhary, Ajaib S. Banyal
Department of Mathematics, Govt. College Nadaun, Dist. Hamirpur, (HP) INDIA 177033
*Corresponding Author

Published In:   Volume - 9,      Issue - 1,     Year - 2017


ABSTRACT:
The thermal instability of a couple-stress fluid acted upon by uniform vertical magnetic field and heated from below is investigated. Following the linearized stability theory and normal mode analysis, the paper mathematically established the condition for characterizing the oscillatory motions which may be neutral or unstable for free and perfectly conducting boundaries at the top and bottom of the fluid. It is established that all non decaying slow motions starting from rest, in a couple-stress fluid of infinite horizontal extension and finite vertical depth, which is acted upon by uniform vertical magnetic field opposite to gravity and a constant vertical adverse temperature gradient, are necessarily non oscillatory, in the regime where R is the thermal Rayleigh number, F is the couple-stress parameter and is the magnetic Prandtl number. The result is important since the exact solutions of the problem investigated in closed form, are not obtainable.


Cite this article:
Rajesh Kumar Chaodhary, Ajaib S. Banyal. Instability in Couple-Stress Fluid in the Presence of Magnetic Field. Research J. Science and Tech. 2017; 9(1):55-61. doi: 10.5958/2349-2988.2017.00010.9


Recomonded Articles:

Author(s): Ashwani Awasthi, Shashi Kant Tripathi, Ashok Kumar Tiwari

DOI: 10.5958/2349-2988.2018.00019.0         Access: Open Access Read More

Author(s): Bhushan A. Bhairav, Prajakta A. Kokane, Ravindra B. Saudagar

DOI: 10.5958/2349-2988.2016.00022.X         Access: Closed Access Read More

Author(s): Karimoun Massalatchi Illyassou, Mamane Illa, Rabani Adamou, Aboubacar Maitournam, Abdou Baoua

DOI: 10.5958/2349-2988.2018.00006.2         Access: Open Access Read More

Author(s): A.K. Meena, Kiran Sharma, Vikas Jain, Bhavana Pal, Ajit K., Uttam Singh, R. Singh , M.M. Rao

DOI:         Access: Open Access Read More

Author(s): Pooja Yadav, Ayush Victor, V M Berlin Grace, C. Vani

DOI: 10.5958/2349-2988.2018.00039.6         Access: Closed Access Read More

Author(s): B. Vishali, J. Venkatesu Naik

DOI: 10.5958/2349-2988.2017.00108.5         Access: Open Access Read More

Author(s): Koushik Sadhukhan, Dhara Dholakia, Anasuya L Bhadalkar

DOI: 10.5958/2349-2988.2018.00023.2         Access: Open Access Read More

Author(s): S. K. Painkra, D.P. Singh, A. S. Chauhan

DOI:         Access: Open Access Read More

Author(s): Rahul Gedam, Sanskriti Sharma

DOI:         Access: Open Access Read More

Author(s): Ch. Murali Krishna, K. R. Sekhar, C.S.K. Raju, G. V. Reddy, P. Prakash

DOI: 10.5958/2349-2988.2017.00098.5         Access: Open Access Read More

Author(s): B. Madhusudhana Rao1*, V. Nagendramma2, C.S.K. Raju3, A. Leelaratnam4, P. Prakash5;

DOI: 10.5958/2349-2988.2017.00096.1         Access: Open Access Read More

Author(s): Monika, Neena Sareen, Deepali Dhawan, Suman Sharma

DOI: 10.5958/2349-2988.2018.00017.7         Access: Open Access Read More

Research Journal of Science and Technology (RJST) is an international, peer-reviewed journal, devoted to science and technology...... Read more >>>

RNI: Not Available                     
DOI: 10.5958/2349-2988 


Recent Articles




Tags