Browsing by Author "Chiniwar, D.S."

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    Modelling and Comparative Analysis of Epoxy-Fly-Ash Composite with Alloys for Bracket Application
    (MDPI, 2022) Raghunandan, A.B.; Chiniwar, D.S.; Hiremath, S.; Sondar, P.; Vishwanatha, H.M.
    The current study compares and analyses the fly-ash–epoxy composite structure with alloys for bracket applications. A dispersed reinforcement composite is created by combining epoxy and fly-ash. Three different prototypical brackets are modelled and analysed using the finite element method, and their results are compared to common alloys used in the manufacture of L-shaped brackets. The mechanical properties of the composite material are calculated using a rule of mixtures, and the properties of the composite material are modified by changing the percentage composition of fly-ash. Based on equivalent stress and total deformation, all geometrical models are analysed and compared. The analysis results appear to be appropriate for broadening the scope of the application of epoxy-based composites for small-scale and large-scale applications. The results also show that the composite material can be used to make a variety of structural elements with high design complexity, such as bulkheads and other structural components. © 2022 by the authors.
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    Modelling of single and multi-port manifolds and studying the influence of structural and thermal behaviour on exhaust manifolds used in automotive applications
    (Springer-Verlag Italia s.r.l., 2024) Sangamesh, R.; Twinkle, R.; Chiniwar, D.S.; Vishwanatha, H.M.; Sondar, P.; Hiremath, S.
    With the new pollution control rules and surging requirements for the increase in efficiency of the internal combustion engines, designing the exhaust manifold has become a growing area of interest. The present work focuses on modelling the multi-end exhaust manifold and comparing it with the single-end exhaust manifold. Both the structural and thermal analyses are carried out using the finite element method. Along with the modified design, various materials such as mild steel, cast iron, stainless steel and medium carbon steel are also evaluated for their structural and thermal behaviour. It is found that the multi-end exhaust manifold performs better in terms of better stress and temperature distribution in comparison to the single-end exhaust manifold. The magnitude of the stress experienced by multi-end exhaust manifolds is 20 MPa lesser than single-end exhaust manifolds. However, the change in material has a marginal effect in terms of stress and temperature distribution. © The Author(s) 2022.