In this work an attempt is made to simulate the life of a rotating element subjected to the phenomenon of fatigue fretting using finite element analysis. A numerical model is being proposed to analyse the fretting failure phenomenon. The model explores the physics of the problem...
Open access
Research Article10.9734/BJAST/2015/17442
The comparative study of the leachability of sewage sludge, sawdust and organic fraction of municipal solid (OFMSW) waste was conducted at different rainfall intensities. First, the natural moisture content of the three categories of waste were obtained. Samples of the wastes wer...
Open access
Research Article10.9734/BJAST/2015/17754
In this work, we give the power series solutions around an ordinary point, in the case of variable coefficients, homogeneous sequential linear conformable fractional differential equations of order 2α. Further, we introduce the conformable fractional Hermite differential equation...
Open access
Research Article10.9734/BJAST/2015/18590
Aim: The aim of the study is to investigate the methane content in Nigerian coal. Study Design: Fabrication of Sorption Isotherm Equipment and Experimental Analysis. Place and Duration of Study: Department of Petroleum and Gas Engineering, University of Port Harcourt Rivers State...
Open access
Research Article10.9734/BJAST/2015/18445
Ants are social insects and their behaviour is geared towards the survival of the colony rather than the survival of the individual. Because ants are almost blind, they move along by building chemical trails using a chemical substance called pheromone. These trails are used by an...
Open access
Research Article10.9734/BJAST/2015/18907
Task Scheduling deals with the set of tasks assigned to parallel multiprocessor system and the execution order of the schedule so that the total execution time is minimized. The role of a good scheduling algorithm is to efficiently assign each task to a processor depending on the...
Open access
Research Article10.9734/BJAST/2015/17171
Aims: The primary objective of this study is to investigate the treatment of Graves' Disease (GD) with radioactive iodine (131I-NaI), presenting the clinical symptoms suffered from patients, and evaluating the level of triiodothyronine (T3), thyroxine (T4) and thyroid-stimulating...
Open access
Research Article10.9734/BJAST/2015/15437
Thyroid gland secretes hormones that govern many of the functions in our body, such as the way the body uses energy, consumes oxygen and produces heat. Thyroid disorders typically occur when this gland releases too many or too few hormones. An overactive or underactive thyroid ca...
Open access
Research Article10.9734/BJAST/2015/17613
A series of WO3-ZrO2 catalysts containing 18% of WO3 were prepared from Zr(OH)4 pre-calcined at temperatures between 25 to 700°C, before W-introduction by impregnation. Thus, in accordance with that, the resulting parent Zr(OH)4 support possessed different degree of crystallinity...
Open access
Research Article10.9734/BJAST/2015/18557
Aims: The main goal of this research is to develop a fresh anthropometric database for disable population in Nigeria. Methodology: Adequate survey of anthropometric data of Nigeria paraplegics in South-Western Nigeria was carried out with a 31:19 male-female ratio. Suitable and r...
Open access
Research Article10.9734/BJAST/2015/17602
A twelve-week study was conducted to determine the effect of feed type on performance of Nera black hens in the humid tropical environment. One hundred and twenty (120) Nera Black hens of 28 weeks of age were used for the study at the Poultry Unit of the Department of Animal Scie...
Open access
Research Article10.9734/BJAST/2015/6051
Using synthetic refrigerants has led to ozone depletion, global warming and the associated climate change. This study therefore aimed at investigating the application of environmentally friendly options in the refrigeration industry of Uganda with the main emphasis on refrigerant...
Open access
Research Article10.9734/BJAST/2015/18033
The warm and humid climate of the Kwame Nkrumah University of Science and Technology (KNUST) necessitates that climate responsive buildings are thermally comfortable when laid down design principles are followed in the planning and construction of dwellings. An example of a clima...
Open access
Research Article10.9734/BJAST/2015/17795
The supply of cold hours needed to the dormancy breaking of shoots is the limiting factor for the cultivation of temperate climate fruit trees in warmer regions. In subtropical conditions, it is necessary to use chemical products to promote uniform sprouting. This research aimed...
Open access
Research Article10.9734/BJAST/2015/18194
Aliyu Musa Aliyu, Sadiq Muhammad Munir, Musa Umaru, Ibrahim Aris Mohammed, Oyewole Adedipe, Baba Yahaya Danjuma, Adegboyega Ehinmowo & Solomon Alagbe·Current Journal of Applied Science and Technology·2015
Aims: A hybrid Nonlinear Programming–Simulated Annealing method has been applied to solving the constrained offline gasoline recipe optimisation problem using constraint partitioning. Methodology: The method was demonstrated by applying it to a small blending case study with eigh...
Open access
Research Article10.9734/BJAST/2015/18348