This paper presents reports on simulation and comparative analysis of single stage vapour compression refrigeration system performance for comparison of refrigerant fluids. A mathematical model was devised by applying the concept of energy balance in the thermodynamic cycle to th...
Open access
Research Article10.9734/BJAST/2015/16778
The electromagnetics is a source of plasma generation and acceleration in magnetoplasmadynamic thrusters. The Lorentz force and the Joule heating are the momentum and energy sources which act on the flow field there. In the present study, their effects are analyzed theoretically...
Open access
Research Article10.9734/BJAST/2015/17533
Based on a large span continuous rigid frame bridge in Chongqing, this paper studies the bridge linear, the vertical displacement and offset of the pier and the deformation of the expansion joints. Firstly, the deformation data of the bridge was artificially measured. And then, c...
Open access
Research Article10.9734/BJAST/2015/17397
Aim: The study seeks to examine factors that do stir up a professional valuer in initiating influence of his client on reported value figures. Study Design: A review of relevant literature, followed by an exposition of methodological approach and then a discussion of findings. Pl...
Open access
Research Article10.9734/BJAST/2015/17623
The use of power lines for transmission of broadband data for applications such as Internet access or home automation, is certainly very attractive, but the problem of electromagnetic interference and radiated caused by these new systems. Risk of interference to radio reception i...
Open access
Research Article10.9734/BJAST/2015/16615
Aims: The extractive performance of two solution solvents were studied for the complex extraction of phenols from model coal tar at varying conditions and variables. Study Design: Ordinary solvent extraction can preferentially extract phenolic compounds from the other composition...
Open access
Research Article10.9734/BJAST/2015/16693
Environmental and social responsibility has taken center stage in the corporate world. Companies operating in polluting industries are faced with stakeholders’ growing demand for environmental governance and are expected to account publicly for their environmental and social acti...
Open access
Research Article10.9734/BJAST/2015/17607
This research work deals with non condensing mode trilateral thermal cycles characterised by the conversion of heat into mechanical work undergoing optionally isothermal and adiabatic closed process based path functions. The proposed trilateral cycles are also characterised by it...
Open access
Research Article10.9734/BJAST/2015/17350
A Large scale dam named as Grand Ethiopian Renaissance Dam (GERD) is currently under construction on the Blue Nile River in Ethiopia. The final report of the International Panel of Experts (IPoE) on the GERD project which was submitted to the governments of Ethiopia, Sudan and Eg...
Open access
Research Article10.9734/BJAST/2015/17252
Aim: The study investigated the microbial degradation, kinetic and physicochemical studies of surface water contaminated with hydrocarbons of common interest (domestic purpose kerosene and diesel) by mixed culture of microorganism at ambient temperature (28-32°C). Methodology: Fo...
Open access
Research Article10.9734/BJAST/2015/16851
Microalgae ability to grow substantially in a short period of time has become a starting point in rapid biofuel production. To date, only certain microalgae species that produce large biomass, and has high fatty acid content can be turned into raw material in producing biofuel. O...
Open access
Research Article10.9734/BJAST/2015/16862
Aims: The paper describes four methods for extracting features of brain signals in frequency and time domain that can be used as parameters for identifying the face images of people. Place and Duration of Study: Human Computer Interface Lab, Karpagam University, India (July 2012-...
Open access
Research Article10.9734/BJAST/2015/14781
Diabetes mellitus, a life-threatening disease of our time was critically studied in this paper with the aim of designing a model that can be used to detect this disease so that people on their own and right in their homes can determine their health status as pertaining to this di...
Open access
Research Article10.9734/BJAST/2015/16718
This study analysed the prevalent learning styles (auditory, visual and tactile) among secondary school mathematics students and how this prevalence was influenced by students’ gender and age in Benue State, Nigeria. A sample of 191 students from five randomly selected secondary...
Open access
Research Article10.9734/BJAST/2015/16781
The study examined the perception and adaption of rice farmers to climate change in Ekiti State, Nigeria. Three Local Government Areas were purposively selected based on level of rice production in Ekiti. Well-structured and pre- tested interview schedule was used to collect rele...
Open access
Research Article10.9734/BJAST/2015/16707