With the ubiquity of wearable gadgets, alongside the advancement of clouds and cloudlet innovation, there has been expanding need to give better medical care. The preparing chain of medical information mostly incorporates information accumulation, information stockpiling and information sharing, and so forth. Customary medicinal services system regularly requires the conveyance of medical information to the cloud, which includes clients' delicate data and causes correspondence vitality utilization. For all intents and purposes, medical information sharing is a basic and testing issue. Subsequently in this paper, we develop a novel social insurance system by using the adaptability of cloudlet. The elements of cloudlet incorporate security insurance, information sharing and intrusion detection. In the phase of information accumulation, we initially use Number Theory Research Unit (NTRU) strategy to scramble client's body information gathered by wearable gadgets. Those information will be transmitted to close cloudlet in a vitality productive design. Furthermore, we exhibit another trust model to help clients to choose trustable accomplices who need to share put away information in the cloudlet. The trust display additionally causes comparable patients to speak with each other about their infections.
Now a day's Computational Fluid dynamics (CFD) is playing a vital role in all the fields. To improve the efficiency of mixed flow pump, Computational Fluid Dynamics analysis is one of the advanced tools used in the industry. A detailed CFD analysis was done to predict the flow pattern inside the impeller which is an active pump component. From the results of CFD analysis, the velocity and pressure in the outlet of the impeller is predicted. CFD analyses are done using Ansys software. These outlet flow conditions are used to calculate the efficiency of the impeller. The calculated value of efficiency from the empirical relations is 55%. The optimum inlet and outlet vane angles are calculated for the existing impeller by using the empirical relations. The CAD models of the mixed flow impeller with optimum inlet and outlet angles are modeled using CAD modeling software Catia-V5R19. To find the relationship between the vane angles and the impeller performance the optimum vane angle is achieved step by step. Three CAD models are modeled with the vane angles between existing and optimum values. These models are analyzed individually to find the performance of the impeller. In the first case, outlet angle is increased by 5°. From the outlet flow conditions, obtained from the CFD analysis, it is evident that the reduced outlet recirculation and flow separation cause the improved efficiency. By changing the outlet angle the efficiency of the impeller is improved to 59%. In the second case inlet angle is decreased by 10%. The efficiency of the impeller in this case is 61%. From this analysis it is understood that the changes in the inlet vane angle did not change the efficiency of the impeller as much as the changes in outlet angle. From the CFD analysis the efficiency of the impeller with optimum vane angles is calculated as 65%. Thus, efficiency of the mixed flow impeller is improved by 18.18% by changing the inlet and outlet vane angles.
Weeds are the major deterrent to the development of sustainable crop production. Since weeds dictate most of the crop production practices and causes enormous losses (37 per cent) due to their interference. Farmers follow several practices for managing weeds in different crops/cropping systems of which at present the use of herbicides are on the top due to the scarcity of labors. The sustainability of these systems is being questioned because of environmental, social and economic concern over the quality of rural life. Enhancing the crop competitiveness through preventive methods, cultural practices, mechanical methods, plant breeding, biotechnology, biological control and crop diversification will be the central thesis in new paradigms of weed management. Integration of above techniques will be key to sustainable weed management that maintain or enhance the crop productivity, profitability and environmental quality. This article explores the scope of sustainable weed management, growing concern over herbicides resistance, environmental and health hazards of pesticides including herbicides and declining profitability are the major challenges of high input agriculture. The goal of this review is to facilitate the development of ecologically based alternative methods for sustainable weed management that will support crop production systems, which require less tillage, herbicide and other inputs. To accomplish this goal, research efforts must be radically expanded in crop ecology and in the development of ecologically based technologies for weed management. Adoption of sustainable agricultural practices reduces the intensity of soil manipulation thereby creates an unfavorable condition for weed seed germination, reduces the organic matter depletion and soil erosion. Thus, the sustainable approaches could be an option for weed and soil management which leads to sustainable crop production.
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