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50 articles for “value-cost ratio”
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Evaluation of Inhana Rational Farming (IRF) Technology as a Cost Effective Organic Cultivation Method in Farmer’s Field
Abstract: AbstractInhana rational farming (IRF) technology was studied as an organic package of practice in farmers’ field using green gram (Samrat: PDM-84-139) as test crop. The study was conducted at Binuria village in Birbhum district of West Bengal during the crop season of 2013–14. The study area lies in 23.66°N and 87.63°E at about 179 ft above MSL, with level to nearly level landscape. The experiment was laid down as per …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 5, Issue 1, 2016 · pp. 1–16 Read article
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Evaluation of Different Organic ‘Packages of Practice’ in Young Tea Plantation: A case study under FAO-CFC-TBI Project at Maud Tea Estate, Assam, India
Abstract: AbstractMaintenance of young tea under organic package of practice is a challenging task and needs a proper intervention. The present study under FAO-CFC-TBI project was done at Maud Tea Estate, Assam, India to find out an effective pathway for growing healthy and productive young tea plants. Seven different organic packages of practice were chosen to evaluate their potential in terms of crop efficiency as well as soil quality rejuvenation. Crop …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 6, Issue 1, 2017 · pp. 10–16 Read article
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STRATEGIC EVALUATION OF COST AND BENEFIT ANALYSIS OF A RURAL WATER SUPPLY PROJECT: A CASE STUDY OF DEI-DEI COMMUNITY, ABUJA, NIGERIA
Abstract: Strategic evaluation of some rural water project in Nigeria is crucial for adequate water supply and public health. The aim of this research is to evaluate the cost and benefits for a proposed rural water supply scheme identifying the optimum alternatives to be chosen for the water supply scheme. To provide safe, adequate and reliable water supply and sanitation services to selected low-income rural communities through community-based arrangements and to …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 11–28 Read article
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Influence of Different Mulches on Weed Dynamics and Yield of Cucumber (Cucumis sativus cv. Malini) in Chitwan, Nepal
Abstract: AbstractAn experiment was conducted to study the effect of mulching materials on weed dynamics and yield characters of Malini variety of cucumber under drip irrigation condition during Feb to May 2018 in Chitwan district, Nepal. The experiment was laid in one factor Randomized Complete Block Design (RCBD) with 4 replications. Four different mulching materials- silver on black polyethylene mulch, black polyethylene mulch, rice straw mulch and rice husk mulch were …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 9, Issue 1, 2020 Read article
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Small Scale Horizontal Axis Wind Turbine
Abstract: In this work, the performance analysis of a designed small scale horizontal axis wind turbine (HAWT) has been presented and optimized by varying span length and chord length. The HAWT blades are shaped to generate maximum power from the wind at minimum cost. The blades are designed by using QBlade software and simulated in blade element method (BEM).The values of tip speed ratio and power coefficient have been obtained as …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 3, 2014 · pp. 26–32 Read article
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Evaluation of Effect of Sugar Cane Bagasse Ash Modified Cold Bituminous Emulsified Mix
Abstract: Initiatives are emerging worldwide to strike an equilibrium between the developments in infrastructure and control of environmental contamination by reusing wastes. About 70 % of the Indian population depends on agriculture, and abundant agricultural waste is generated each year. The use of these wastes in pavement construction provides a suitable solution to some of the ecological concerns and troubles associated with waste management. Sugarcane Bagasse Ash (SCBA) is a waste …
Published in Trends in Transport Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 30–42 Read article
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PAPR Reduction using Selective Mapping Method for OFDM Communication Systems
Abstract: AbstractSelective mapping method (SLM) is one of the most important techniques used for peak-to-average power ratio (PAPR) reduction of orthogonal frequency division multiplexing (OFDM) communication system. It is simple in implementation, gives distortionless transmission and reduces PAPR significantly. Mathematical modelling and Matlab simulation have been carried out to analyse its performances. At of CCDF, PAPR values for OFDM signal without applying any reduction technique is 11.5, 11.8, 12.1, 12.4 and …
Published in Journal of Communication Engineering & Systems · Vol. 5, Issue 3, 2015 · pp. 50–57 Read article
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Energy Saving Measures in Industrial Production: A Case Study
Abstract: The Energy Efficiency Project for the industries will improve energy efficiency in public and social facilities and enables environment for sustainable energy financing .The primary and secondary aim of this paper is to save energy that will results in economical environment friendly production practices. This paper proposes ideas that how energy saving can be executed in industries by the application of energy saving products. Case Studies have been carried out …
Published in Journal of Nuclear Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 6–9 Read article
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Numerical Investigation on Concrete Filled Steel Tube Composite Circular Columns Under General Loading
Abstract: Concrete-filled steel tube (CFST) composite columns are extensively utilized in civil engineering constructions because of their numerous structural advantages, such as superior seismic performance, high load- bearing capacity, fire resistance, remarkable ductility, and ability to absorb energy effectively, especially in areas prone to seismic activity. CFST columns are employed in tall buildings and bridges to enhance rigidity and increase bearing capacity, but their behavior can be affected by buckling. There …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 164–199 Read article
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Techno-Economic Analysis of Fixed and Single Axis Tracking Systems Using NPV and IRR Methods
Abstract: A low power, low cost, high utility value photovoltaic power generating system has been designed and developed with an intention of catering to the needs of the rural population located in far flung villages or hilly regions where electricity supply is either unavailable or is erratic. The proposed solar photovoltaic system has been subjected to rigorous performance evaluation using the four widely used performance metrics namely, Energy Gain, Panel Efficiency, …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 10, Issue 3, 2020 · pp. 34–45 Read article
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High Lift to Drag Ratio for 3D Printed Airfoil for UAV’s: An Experimental and Computational Study
Abstract: Airfoils play a pivotal role in the performance of aerodynamically designed bodies. Lift to Drag ratio is one of the primary parameters based on which the efficiency of airfoil’s are characterized. UAV’s are gaining acceptance around the world for the wide range of operations that can be remotely controlled. The primary objective of current work is to narrow in on an airfoil which is capable of producing high lift to …
Published in Journal of Aerospace Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 65–70 Read article
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Electric Vehicle Induction Motor Automated Drive System with Smart Battery Monitoring Performance for Range Exchanger
Abstract: This study describes the development of a model of an electric vehicle (EV) with a smart battery-powered inverter-controlled induction machine drive system. The computer simulation model in MATLAB Simulink is used to estimate the energy and power requirements of vehicles over standard driving cycles under various driving conditions. Here, using smart logic for battery performance, factors affecting range and energy use, helps to optimize maximum efficiency of battery and motor …
Published in Current Trends in Signal Processing · Vol. 10, Issue 3, 2020 · pp. 1–7 Read article
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Development of Lightweight Chassis and Efficient Drivetrain for Formula Student Applications
Abstract: The chassis and drivetrain of a Formula Student vehicle are designed, analyzed, and optimized in this research study with an emphasis on manufacturability, performance, and safety. The project emphasizes the use of advanced engineering tools such as SolidWorks for computer-aided design (CAD) and ANSYS for structural analysis to evaluate the chassis under various dynamic conditions. The primary objective is to ensure that the driver remains safe inside the cockpit while …
Published in Journal of Automobile Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 1–17 Read article
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Formulation of Load Chart Table for Precast Prestressed Double Tee Slab
Abstract: The increasing demand for office buildings, shopping malls, industrial facilities, and residential structures underscores the necessity for rapid construction systems. Among these, precast concrete structures have gained traction in the construction industry, with beam-to-column/wall connections playing a crucial role. Precast prestressed T-slabs, primarily used as floor slab elements, offer advantages such as longer spans (up to 12 m to 15 m) and simplified construction processes due to their one-way slab …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 42–53 Read article
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Simulation and Optimization of Syngas Generation Process (GTL Stage I) using ASPEN Hysys
Abstract: The process of gas to liquid (GTL) conversion has been divided into three sections (section I: natural gas treatment and syngas production; section II: is Fischer Tropsch Synthesis sections (Main Reactors) and Stage III: Upgrading and treatment section).This work is mainly for Stage I. whereby Natural gas dehydration unit is simulated using Tri-ethylene Glycol to dehydrate the natural gas which includes (Free Water Knockout Drum (FWKD), Absorber and Distillation). Sweetening …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 48–67 Read article
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Metaheuristic Design of Epoxy-Based Polymer Composites
Abstract: This research investigates the optimization of epoxy resin based polymer compositions in composite materials to enhance their mechanical and tribological properties for industrial applications. We examined the properties of composite materials by running experiments and optimizing these results using Firefly and five optimization algorithms to find the best steel and epoxy ratios. Our tests confirmed that higher dosages of steel powder increased materials' resistance to breaking and impacts yet lowered …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 769–791 Read article
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Electromagnetic and Dielectric Performance of Polymer–Ceramic Composite Substrates for Fractal-Based IoT-Antenna Fabrication
Abstract: Polymer–ceramic composite substrates play a crucial role in determining the electromagnetic performance, mechanical stability, and thermal reliability of radio-frequency devices. In this work, a polymer-based composite substrate is systematically investigated for its suitability in compact IoT and RFID antenna applications. A fractal-structured antenna is employed as a functional test platform to evaluate the dielectric behavior, impedance characteristics, and radiation efficiency of the composite substrate. Novelty of the proposed reader antenna …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1518–1534 Read article
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Experimental Validation and Implementation Framework for Optimized Methane Yield Prediction in Anaerobic Digestion
Abstract: The correct validation and realistic application of optimized anaerobic digestion (AD) models are essential steps in transferring biogas production systems to real-life. This paper outlines an experimental validation and deployment pipeline of an AI-optimized model of the methane yield prediction model based on the application of more advanced machine learning and Bayesian optimization methods. Others The validated surrogate-assisted optimization model was tested with controlled laboratory-scale AD experiments at optimized operating …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 4, Issue 1, 2026 · pp. 25–32 Read article
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COMBUSTION OPTIMIZATION OF 75 HP AGRICULTURAL TRACTOR DIESEL ENGINE TO MEET THE BHARAT STAGE (TREM) III A EMISSION NORMS
Abstract: Major challenged faced by most of the engine manufacturers with improving performance of heavy duty diesel vehicles is to meet the stringent exhaust emission norms, with least modification in design. Heavy duty diesel engines have been recently equipped with various electronically controlled components, such as turbocharger, fuel injection pump (FIP), exhaust gas recirculation (EGR), etc. Simplicity of design is to be maintained by optimizing the available emission control technique in …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 5, Issue 2, 2018 · pp. 10–25 Read article
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Assessing Soil Nutrients Through IoT for Enhanced Farming and Agricultural Intelligence
Abstract: Soil fertility is of paramount importance in agriculture, as it directly impacts the capacity of plants to flourish and develop. Recent advancements in technology, such as soil sensors and Arduino, offer effective means to assess soil nutrients. Key nutrients for agriculture, including nitrogen, phosphorus, and potassium (NPK), are vital for plant development and are considered primary contributors to soil fertility. Monitoring these nutrients enables farmers to gauge the specific needs …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 12, Issue 1, 2024 · pp. 1–9 Read article