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A multistage centrifugal pump is a specific type of centrifugal pump featuring multiple impellers arranged in series on a single shaft. While a typical centrifugal pump uses a volute casing, a multistage pump employs a diffuser that serves a similar function. To guide the flow to the next impeller, a return passage channel is utilized. To conduct numerical flow simulations for multistage pumps, it is necessary to first perform an analysis of a single-stage pump and then further for the m...

Rolling element bearings are widely employed in the industrial and domestic machines and appliances due to their ease in mounting and efficient operational features. About 80% bearings found in the industrial machines happens to be the rolling bearings. Numerous factors contribute to the deterioration of these bearings, primarily including wear, ageing, environmental influences, improper installation, inadequate lubrication, and material fatigue. A defective bearing frequently leads to r...

The pursuit of precision and efficiency in manufacturing processes has driven the development of novel techniques to improve surface quality and reduce surface roughness in various industrial applications. This research explores the minimization of surface roughness induced after the surface grinding process on aluminium 7075 alloy (Al7075) workpiece surface through finishing with Ball End Magnetorheological Finishing (BEMRF) and Chemical Assisted Ball End Magnetorheological Finishing (C...

Stringent global environmental regulations have spurred research into alternative fuels. There had been a total of 216 medium (7-700 tonnes) oil spills and 55 large (> 700 tonnes) oil spills in the environment from 2000 to 2023, primarily caused by human negligence. These spills have significantly disrupted ecosystems, harming plant, animal, and human life. Despite its widespread use in automotive engines due to its availability, cost-effectiveness, and performance, mineral oil poses sev...

With the rise of the application of Machine learning in academia and industrial sector, clustering has become an important field of study. Clustering has been extensively used in studies involving unlabeled data, image processing and unsupervised learning. We have taken up the concept of clustering for our study and we have discussed the performance of two very popular and well used clustering algorithms and the application of clustering. The application of clustering has been discussed ...

Image description generation, an intricate cross-disciplinary work between com- puter vision and natural language processing (NLP), is intended to produce contex- tually precise and semantically rich textual descriptions of visual information. The proposed work is dedicated to filling significant research gaps in computerised image captioning by suggesting sophisticated deep-learning architectures that promote con- textual knowledge, semantic density, and generality across multimedia app...

The movement of vehicles on an unpaved terrain is a common requirement in many fields including agriculture, forestry, automobile, planetary rovers and defence. Other than surface topographical features, the most important parameter to the movement of vehicles is the underlying soil condition. Acquiring the data by conventional methods is laborious and cumbersome task. The alternative means have therefore been explored by various researchers. One of the most effective ways employed for ...

Diesel engines continue to hold a dominant position in the global energy and transportation divisions due to their high efficiency, robustness, and cost-effectiveness. According to the International Energy Agency (IEA), diesel engines account for over 40% of the energy used in global transportation and are pivotal in freight logistics, power generation, and agricultural mechanization. In India, diesel engines power approximately 70% of freight vehicles and over 60% of agricultural machine...

Univalent Function Theory (UFT) is a fascinating branch of Complex Analysis. The ele- gance of UFT lies in its ability to derive significant insights from relatively simple geometric considerations. Owing to its strong focus on geometric interpretations, UFT constitutes a fundamental part of Geometric Function Theory (GFT), where such geometric prop- erties play a central and significant role. The thesis provides a comprehensive study of subclasses of analytic functions, offering sharp c...

In this report, analysis of Junctionless Accumulation Mode Surrounding gate (JAM-SG) as a hydrogen gas detector has been done. JAM-SG with metal gate for gas sensing applications is proposed for the first time in this paper. A simulated model is developed for n-channel JAM-SG to observe the different electrical parameters of the device for different values of pressure [1]. Different simulated results such as surface potential, electric field and electron velocity have been analyzed at tw...

In today's competitive service industry landscape, ensuring efficiency and reliability in processes is paramount. Poka-Yoke, a lean manufacturing technique originating from Japan, offers a promising approach to error-proofing processes and enhancing service quality. However, its implementation in service industries faces numerous barriers that hinder its effective adoption. This thesis investigates the barriers to implementing Poka-Yoke in the service industry and employs a structural mo...