MHD Flow of a Uniformly Stretched Vertical Permeable Membrane in the Presence of Zero Order Reaction and Quadratic Heat Generation

We present a magneto - hydrodynamic flow of a uniformly stretched vertical permeable surface undergoing Arrhenius heat reaction. The analytical solutions are obtained for concentration, temperature and velocity fields using an asymptotic approximation, similar to that of Ayeni et al 2004. It is shown that the temperature field and the velocity field depend heavily on the thermal grashof numbers, heat generation/absorption, magnetic induction, chemical reaction parameters and reaction order. It is also established that maximum velocity occurs in the body of the fluid close to the surface and not the surface

Influence of Power-law Exponent on an Unsteady Endothermic Reaction

In [6], the solution of a steady Arrhenious endothermic chemical reaction where the exponential term was reduced to a power-law approximation was studied. A numerical solution obtained using a shooting technique with second order Runge-Kutta scheme showed that the minimum temperature of the reactant increases as the power-law index increases. In this paper, the scope of the work was extended to a solution of an unsteady Arrhenious endothermic reaction using shooting technique [3]. The result showed that the temperature of the reactant depends greatly on the power-law exponent. The temperature of the reactant increases as the power-law exponent α increase, whereas the temperature decreases as the Frank- Kamenestkii parameter β increases

Occurrence of Rhabditis Dubia in Cattle Dungs in Lagos State, Nigeria

Prevalence of Rhabditis dubia (eggs and worms) in cattle dungs were carried out in ten different abattoirs of Lagos State. A total of 2,000 samples of cattle dungs were examined for the occurrence of both the eggs and worms. The result showed that cattle dungs collected in these areas were highly infected with worms and eggs of Rhabditis dubia which causes Rhabditiasis among the cattle. The prevalence of Rhabditis dubia (worms) was the highest at Mile 12 with percentage prevalence of 25.0% was observed in cattle dungs at Isolo. The percentage prevalence of eggs of Rhabditis dubia was highest at Oshodi with 56.5% while the least percentage prevalence of 9.0% of eggs was recorded in cattle dungs at Egbeda. The overall percentage prevalence of worms was 44.9% while that of eggs was 26.1%. There was a significant difference (t = 1.320; p < 0.05) of worms and eggs detected in the cattle dungs. Keywords: Occurrence/Prevalence Rhabditis dubia, eggs, worms, cattle and dungs Correspondence: Prof. S.O. Adewole; Ekiti State University, Department of Zoology, Faculty of Science, P.m.b 5363, Ado-Ekiti, Ekiti-State, Nigeria

Occurrence of Rhabditis Dubia in Cattle Dungs in Lagos State, Nigeria

Prevalence of Rhabditis dubia (eggs and worms) in cattle dungs were carried out in ten different abattoirs of Lagos State. A total of 2,000 samples of cattle dungs were examined for the occurrence of both the eggs and worms. The result showed that cattle dungs collected in these areas were highly infected with worms and eggs of Rhabditis dubia which causes Rhabditiasis among the cattle. The prevalence of Rhabditis dubia (worms) was the highest at Mile 12 with percentage prevalence of 25.0% was observed in cattle dungs at Isolo. The percentage prevalence of eggs of Rhabditis dubia was highest at Oshodi with 56.5% while the least percentage prevalence of 9.0% of eggs was recorded in cattle dungs at Egbeda. The overall percentage prevalence of worms was 44.9% while that of eggs was 26.1%. There was a significant difference (t = 1.320; p < 0.05) of worms and eggs detected in the cattle dungs. Key Words: Occurrence/Prevalence Rhabditis dubia, eggs, worms, cattle and dungs

Leaback of Pulsatile Flow of Particle Fluid Suspension Model of Blood Under Periodic Body Acceleration

We considered a two-phase model flow of blood subject to both pulsative pressure gradient due to normal heart action and a periodic body acceleration. The leakback of flow due to the fact that the velocity of the red cell is greater than the mean velocity is derived using the method of characteristics. The variation in body acceleration amplitude though affects the velocity profile in the capillary tubes, it has no effect on the leakback in the tubes. Leakback is mainly determined by the balance of the viscous drag and the driving force of the applied pressure gradient. Key words: Leakback, Pulsatile Flow, Fluid Suspension, Periodic Acceleration, Viscous Drag. (Global Journal of Mathematical Sciences: 2002 1 (1&2): 13-16

Poiseuille Flow of Fluid Whose Viscosity is Temperature Dependent

We discuss a fluid flowing between two parallel plates. We assume a Poiseuille flow. Furthermore, we assume thatthe viscosity μ, depends on temperature T. We show that the velocity equation has two solutions. Graph featuresprominently in the presentation