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All published articles 700

Effect of Prandtl Number and Inclination Angle on MHD Natural Convection in Inclined Open Square Cavity

Sheikh Anwar Hossain, M. A. Alim & Satrajit Kumar Saha · Physical Science International Journal · 2017

MHD natural convection and fluid flow in a two-dimensional open and inclined square cavity with a heated circular cylinder was considered in this work. The opposite wall to the opening side of the cavity was first kept to constant heat flux q, at the same time the surrounding flu...

Open access Research Article 10.9734/PSIJ/2017/33067

Deposition of Silicon Films from Liquid Cyclopentasilane Precursors Using High Pressure Spray System

H. Frey, R. Lauth, H. R. Khan, N. Eisenreich & A. Koleczko · Physical Science International Journal · 2017

Si- films were deposited from liquid precursors, especially cyclopentasilane using a high pressure spray deposition system based on an electronically controlled piezo-injector in a inert gas atmosphere. This equipment might be applicable to other liquid precursors and targeted th...

Open access Research Article 10.9734/PSIJ/2017/33788

Far-infrared Spectra of the Alloy of Germanium-Antimony-tellurium in the Glassy and Crystalline State

V. A. Ryzhov & D. Arsova · Physical Science International Journal · 2017

Far-infrared spectra of a germanium-antimony-tellurium alloy in the glassy and crystalline states have been measured and analyzed in the frequency range 20–400 cm-1 at room temperature. The absorption in this range is due to the phonon modes of the structural units of crystalline...

Open access Research Article 10.9734/PSIJ/2017/33572

Health Detriment Associated with Exposure to Natural Radioactivity from the Soil of Ondo and Ekiti States South Western, Nigeria

A. E. Ayodele, A. M. Arogunjo, J. I. Ajisafe & O. T. Arije · Physical Science International Journal · 2017

The health detriment associated with human exposure to primordial radionuclides from the earth crust has been a major source of concern to public health observers across the globe. The level of such detriment can be mitigated by continuous monitoring in order to ascertain that th...

Open access Research Article 10.9734/PSIJ/2017/32273

Corrosion Inhibition of Mild Steel and Aluminium in 1 M Hydrochloric Acid by Leaves Extracts of Ficus sycomorus

K. D. Ogwo, J. C. Osuwa, I. E. Udoinyang & L. A. Nnanna · Physical Science International Journal · 2017

Inhibitory effects of Ficus sycomorus leaves extracts on the corrosion of mild steel and aluminium in 1 M hydrochloric acid (HCl) solution was studied at temperature of 30°C using gravimetric technique. Corrosion rates of mild steel and aluminium in the aggressive medium were foun...

Open access Research Article 10.9734/PSIJ/2017/32708

Design and Development of an Improved Palm Kernel Shelling Machine and Separator

I. T. Adejugbe, O. A. Oyegunwa, D. D. Iliya, J. O. Aigbogun, A. T. Oyelami & S. O. O. Olusunle · Physical Science International Journal · 2017

A palm kernel processing (Cracking and Separating) unit was developed to crack effectively various sizes/diameters of palm kernel as well as to separate the palm kernel from the shell with the aim of reducing the challenges encountered during the production of palm kernel Oil. Th...

Open access Research Article 10.9734/PSIJ/2017/26627

Variability of Microwave Radio Refractivity and Field Strength over Some Selected Locations in Nigeria

Adekunle Titus Adediji, Samuel Oluwadare Adebusola & Joseph Sunday Ojo · Physical Science International Journal · 2017

In this study, results of the variation of radio field strength derived from the computation of surface refractivity through measurements of temperature, relative humidity and pressure across seven locations ((Akure (7.15°N, 5.12°E), Lagos (6.30°N, 3.20°E), Abuja (7.10°N, 9.25°E)...

Open access Research Article 10.9734/PSIJ/2017/33447

Approximation of the Dew Point Temperature Using a Cost Effective Weather Monitoring System

E. Ukhurebor Kingsley, O. Azi Samuel, C. Abiodun Isaac & Enoyoze Esosa · Physical Science International Journal · 2017

In this era of global warming, research in weather measurement and prognostications are becoming more and more pertinent; getting the latest weather information and taking the necessary precautions have become a major issue all over the world. Dew point temperature is an importan...

Open access Research Article 10.9734/PSIJ/2017/32862

Effects of MHD Thermal Radiation and Heat Source of Viscous Flow over a Nonlinearly Stretching Sheet with Viscous Dissipation

Shiva Prasad Rayapole & Anand Rao Jakkula · Physical Science International Journal · 2017

This investigation is undertaken to study effects of MHD thermal radiation and heat source of viscous flow over a nonlinearly stretching sheet with viscous dissipation. The governing equations of the problem are transformed into non-linear ordinary differential equations by using...

Open access Research Article 10.9734/PSIJ/2017/32824

A Comparison of Various Evapotranspiration Models for Estimating Reference Evapotranspiration in Sokoto, North Western, Nigeria

D. O. Akpootu & M. I. Iliyasu · Physical Science International Journal · 2017

Evapotranspiration (ET) is an important component of the hydrological cycle and its accurate quantification is crucial for the design, operation and management of irrigation systems. Agricultural planning depending on evapotranspiration suffers due to inaccuracy in its estimation...

Open access Research Article 10.9734/PSIJ/2017/32720

Structural and Magnetic Properties of Nano Cu-Zn-Zr Ferrite for Magnetic Temperature Transducer (MTT)

O. M. Hemeda, M. M. El-Shahawy & H. E. Khedr · Physical Science International Journal · 2017

Cu1-xZnx+yZryFe2-2yO4 (Cu-Zn-Zr ferrite) series of compositions with x= (zero, 0.4, 0.6, 0.8, 1) when y= (0.05, and 0.1) nanoparticles were synthesized using citrate sol-gel method. The prepared nanoparticles were characterized by X-ray diffraction (XRD) and transmission electron...

Open access Research Article 10.9734/PSIJ/2017/33042