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Name
ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT
Type
Journal
Items
95 Publications
Compatibility
OpenAIRE Basic (DRIVER OA)
OAI-PMH
http://www.azojete.com.ng/index.php/index/oai

 

  • DEVELOPMENT OF A MODEL FOR OPTIMUM SATURATION EFFICIENCY OF AN EVAPORATIVE COOLING SYSTEM

    The performance efficiency of an evaporative cooling system (fan and pad) under varied levels of parameters (water flow rate, pad thickness and air velocity) was evaluated using a 3-factor statistical design. A response equation was developed and was used to obtain the optimum levels of the parameters required for optimal operation of the evaporative cooling system. Simulation result of the response equation indicated that for optimum operation of the evaporative cooling system, a water flow ...

    DESIGN OF A 4-BIT MAGNITUDE COMPARATOR USING SIMULINK

    Dibal, P Y (2016)
    In this paper, the design of a 4-bit magnitude comparator using Simulink is presented. An overview of a magnitude comparator is carried out in the first section, in terms of its application in engineering. The second section presents the methodology of the design; thus, a closer look at the magnitude comparator is achieved by looking at its block diagram, its truth table, and the equations which characterize the truth table. The second section also presents the Simulink modelling environment,...

    DEVELOPMENT AND PERFORMANCE EVALUATION OF A RE-CIRCULATORY VEGETABLE MOISTURIZER

    A re-circulatory vegetable moisturizer for preventing wilting in vegetables was developed and its performance evaluation carried out. Freshly harvested Amaranthus vegetables were used for the experiments. The temperature and relative humidity were monitored daily. The vitamin A of this produce was determined at intervals of two days for 9 days. The effects of the storage parameters (temperature and relative humidity) on the nutritional value of the produce were determined using statistical an...

    COMPARISON OF DIFFERENT METHODS FOR DETERMINING SATURATED HYDRAULIC CONDUCTIVITY ON ALLUVIAL FLOODPLAIN SOILS IN A SEMI ARID ENVIRONMENT

    Soil saturated hydraulic conductivity is an important parameter for flow and transport related processes in the soil but the different methods of its measurement vary under different field conditions. The performance of three in situ  methods were evaluated at 20, 40 and 80 cm depths on an alluvial floodplain soil classified as fine loamy isohyperthermic aeric Trapaquept. TheGuelph permeameter method gave the lowest estimates of saturated hydraulic conductivity, possibly because of small samp...

    A CFD ANALYSIS OF A MICRO HORIZONTAL AXIS WIND TURBINE BLADE AERODYNAMICS

    This study investigates the performance of a micro Horizontal Axis Wind Turbine (HAWT) blade using Computational Fluid Dynamics (CFD). The 1.5 m long micro HAWT blade was designed using the Blade Element Momentum Theory (BEM). Parameters such as the chord length lift force, drag force, tip speed ratio, solidity, coefficient of performance, angle of attack, wind relative angle, Reynolds number, efficiency, axial and induction factors were determined. Based on the design parameters the micro bl...
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