Smart Moves Journal IJOSTHE (International Journal Online of Sports Technology & Human Engineering)
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128 research outputs found
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Thermal Analysis of Small Refrigerator Compartment by using CFD
No full textRefrigeration systems are extremely important in daily life, especially in terms of preserving food, health, and comfort. The objective of this project work is to make some effective changes in the design of a conventional refrigerating system so that performance of the evaporator can be optimized. The effects of the normal and perforated fin on the velocity and temperature distribution at different levels. To make a comparative analysis between various cases of with and without the fin refrigerating system. The analysis and modeling through CFD for refrigerators based on diffusion-absorption is presented as a feasible tool for the purpose of evaluating proposals in the internal design of the refrigerator. The present study considers that significant improvements can be achieved on the thermal profiles, by researching an optimal geometric plate-evaporator, in which the airflow is included as a parameter of great importance in the operability of the refrigerator and therefore, in the preservation of food supplies
Study of Challenges Associated with Hybrid Renewable Energy Resources
No full textDue to the fact that solar and wind energy are intermittent and unpredictable, greater penetration of their types into existing power systems, especially weak grids or island systems without adequate and sufficient storage capacity, could cause and create high technical problems . By integrating the two renewable resources in an optimal combination, the effects of the different nature of solar and wind resources can be partially offset and the overall system becomes more reliable and economical to use. This article discusses grid quality problems with grid connected renewable energy sources and grid quality problems are harmonics and voltage and frequency fluctuations as well as a description of grid connected PV generation system in this article
Review on Power Quality Enhancement and its effects on Micro Grid
No full textPower generation through the renewable energy sources has become more viable and economical than the fossil fuel based power plants. By integrating small scale distributed energy resources, microgrids are being introduced as an alternative approach in generating electrical power at distribution voltage level. The power electronic interface provides the necessary flexibility, security and reliability of operation between micro-sources and the distribution system. The presence of non-linear and the unbalanced loads in the distribution system causes power quality issues in the Microgrid system. This paper explores and reviews different control strategies developed in the literature for the power quality enhancement in microgrids
Study on Solar System Distribution System and Converter Topologies with Controlling Techniques
No full textPower generation faces a major challenge in meeting peak load requirements. Energy suppliers are highly dependent on fossil fuels due to the limited resources of non-renewable energy production. Therefore, researchers and scientists are looking for distributed generators (DGs) to provide additional power during peak periods of the energy curve. Solar energy gives them an extra twist to meet the load demand during this time. This paper describes the PV generator power system, inverter, inverter controller, transformer and mounting system offered
Improving Compressive Strength of Cement Concrete Mix by Using M-Sand and Bamboo Fiber
No full textIn the current world, concrete has become a very important part of the construction industry and the materials which are used in making concrete have evolved due to better quality of cement and better grade of coarse aggregates. The sand is an important part of concrete. It is mainly procured from natural sources. Thus the grade of sand is not under our control. The concrete cubes of M-20, M-25 & M-30 grade were threw in this trial explore work and tried to analyze different properties of concrete like compressive quality, workability. In this study M-sand is considered as a replacement of natural sand by 50, 70 & 90% by weight of sand in concrete design mix with 1% Bamboo fiber streams as an admixture. This study is carried out at the age of 7 and 28 days. In this work, the general properties of fresh and hardened concrete were tried and the outcomes were dissected. As concrete is a central material for the construction industry. In any case, in the present period where development is expanding quickly and development rate is coming to their statures, it is contrarily affecting our condition as well. So it is vital to utilize some optional materials as a part of concrete to minimize the cost, and to enhance the properties of concrete for better stability of the structures
Coordinated Multipoint Joint Transmission Algorithm with Cognitive Radio Network for Improvement in Advance Cellular Communication
No full textCognitive radio (CR) has been proposed as an innovation to improve the range use effectiveness by giving a sharp access of the unused/underutilized range to unlicensed clients. Then, coordinated multipoint joint transmission (JT) is another promising method to improve the presentation of cognitive radio system. In this paper, we propose a CR framework with coordinated mul-tipoint JT strategy. A logical model is created for the got signal-to-commotion proportion at a CR to decide the vitality recognition limit and the base number of required examples for vitality location based range detecting in a CR organize (CRN) with CoMP JT procedure. The exhibition of vitality identification based range detecting under the created expository model is assessed by recreation and saw as dependable. It is figured an enhancement issue for a CRN with coordinated multipoint JT strategy to design the channel assignment and client planning for expanding the base throughput of the clients
Review and Challenges of Future Technologies in Spectrum Management over Cognitive Radio Network
No full textCognitive radio is generally expected to be cutting edge in remote correspondences. Range administrative Boards of trustees in numerous nations have been finding a way to make the way for dynamic range get to utilizing this innovation and furthermore setting out the guidelines for its implementation. Global associations have likewise been taking a stab at normalizing and harmonization this tech-nology for different applications. This paper outlines meaning of Cognitive radio frameworks and portrays the condition of workmanship in the administrative and normalization activi-ties on cognitive radio everywhere throughout the world, which are esteemed to have essential impact on the eventual fate of remote interchanges. Cognitive radio ideas can be applied to an assortment of remote correspondences sce-narios, a couple of which are portrayed in this paper. At long last, in view of led overview through the specialized and administrative examination, a reliable end is given
A Review on Comparative Analysis of Leaf Spring by Using Different Variable Materials
No full textReducing weight while increasing or maintaining strength of products is getting to be highly important research issue in this modern world. Composite materials are one of the material families which are attracting researchers and being solutions of such issue. In this paper we describe design and analysis of polymer composite leaf spring. The objective is to compare the stresses, deformations and weight saving of composite leaf spring with that of steel leaf spring. The Automobile Industry has great interest for replacement of steel leaf spring with that of composite leaf spring, since the composite materials has high strength to weight ratio and good corrosion resistance. The material selected was glass fibre reinforced polymer (E-glass/epoxy) and is used against conventional steel. The design parameters can be selected and analysed with the objective of minimizing weight of the composite leaf spring as compared to the steel leaf spring
Design and Analysis of Hybrid Energy Storage System in DC Microgrid
No full textA microgrid is a restricted gathering of power sources and loads that typically work associated with and coordinated with the conventional wide region simultaneous network (macrogrid), as the quantity of DC-creating sustainable power sources is higher when contrasted with air conditioning producing sources, lesser converter units are required. This builds the general proficiency of DC microgrid. A DC small scale lattice framework is utilizing a force organize that empowers the presentation of a lot of sun oriented vitality utilizing circulated photovoltaic age units. This paper manages the plan and execution examination of a DC microgrid with battery-supercapacitor vitality stockpiling framework under factor supercapacitor working voltage. MATLAB 9.4 is utilizing to execute the model and investigation
Aspect Level Sentiment Analysis using Machine Learning Approach: A Comprehensive Review
No full textSentimental analysis is now used from product marketing specific to the detection of social behavior. Progress on Facebook, Twitter, Youtube and other microblogging and social networking sites has not only contributed to a change in social sites, but also to the way we use these sites and the way we do it. People are fundamentally changing their feelings and their points of view with the general public. In this paper a detailed study of different approaches for lexicon-based sentiment analysis are discussed. This paper also shows that efficiency of machine learning over traditional lexicon based sentiment analysis