Journal of Ultra Scientist of Physical Sciences - B
Voulume: 29
Issue: 5
Article No. 1
MHD Flow and Heat transfer characteristics of a micropolar nanofluid over an unsteady stretching sheet with prescribed surface heat flux
Dept of Mathematics , Mahatma Gandhi University, Nalgonda India
Mathematics, Osmania University, Hyderabad India
Abstract :

In this paper we study the MHD flow and heat transfer of micro polar Nano fluid with prescribed heat flux over an unsteady stretching sheet. The governed partial differential equations are highly nonlinear and they are converted into ordinary differential equations by using the similarity transformations. These equations are solved by implicit finite difference scheme known as Keller Box method. The effects of unsteadiness parameter (S), material parameter (m), viscosity (K), Prandtl number (Pr), Brownian motion parameter (Nb) and thermo phoresis parameter (Nt) on the flow and heat transfer characteristics are studied

Keyword : unsteady flow, Nanofluid, stretching sheet, micro polar fluid, Keller Box method
Paper Download Count : 464
View Count : 564
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Article No. 2
Influence of Heat transfer and Hall effects on a peristaltic pumping of a Newtonian fluid in a planar channel
Asst. Professor Department of Mathematics, Tadipatri Engineering College, Veerapuram, Tadipatri. Anantapur district - 515411 Andhra Pradesh India
Department of Mathematics, N.B.K.R. Institute of Technology, Nellore, (A.P.) India
Department of Mathematics, JNTUA College of Engineering Pulivendula, Pulivendula, (A.P.) India-516390
Abstract :

In this paper, we studied the effect of hall and heat transfer on the peristaltic pumping of a conducting Newtonian fluid in a channel under the long wavelength approximation. The expressions for the velocity and pressure gradient are obtained analytically. The effects of various pertinent parameters on the pumping characteristics and temperature field are studied in detail with the aid of graphs.

Keyword : Hall, Heat transfer, Hartmann number, viscous dissipation, peristaltic pumping
Paper Download Count : 387
View Count : 547
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Article No. 3
Modulation of Juvenile Hormone Analogue (Jha) Mimic on Larval Instars of Tropical Tasar Silk Insect (Lepidoptera: Saturniidae) to Elucidate the State of Silk Performance Parameters
Post-Graduate department of Biotechnology/ Zoology T.M. Bhagalpur University, Bhagalpur u2013 812 007 (Bihar) India
Post-Graduate department of Biotechnology/ Zoology T.M. Bhagalpur University, Bhagalpur u2013 812 007 (Bihar) India
Abstract :

The present paper deals with the effect of Samrudhi, a Juvenile Hormone Analogue (JHA) mimic on 5th instars larvae of Antherea mylitta D. and was studied at interval of 48, 72 and 96 hours for knowing silk performance parameters viz. larval weight, cocoon weight, shell weight and shell ratio (gm). The larvae were reared on arjun leavers (Terminalla arjuna) in the laboratory at temperature range 25+-2oC and 70+-5%RH. It was observed that the weight increased by 10-15% and silk weight by above 10%. The increase in cocoon yield was 8-10kg/100 dfls. Thus, the effect of Samrudhi on 5th instar larvae of Antheraea mylitta D. applied topically may be able to increase tasar silk productivity.

Keyword : Juvenile Hormone Analogue, tasar silkworm larvae, silk performance parameters, Arjun leaves
Paper Download Count : 457
View Count : 539
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