Nov '23
The IUP Journal of Mechanical Engineering
ISSN: 0974-6536
A 'peer reviewed' journal distributed by EBSCO and Proquest Database
It is a quarterly journal that publishes research papers dealing with Production engineering, Industrial engineering; Materials engineering; Solid mechanics; Solid and structural mechanics; Fluid mechanics; Fracture mechanics; Biomechanics; Metallurgy, Tribology, Heat transfer; Welding technology; Composite materials; Machine design CAD/CAM; Renewable energy technology; Mechanical maintenance; Refrigeration & Air-conditioning; Quality control and Operational research, etc.
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Optimizing Microstructure for Enhanced Mechanical Properties of Al2O3 -Reinforced Aluminum Matrix Composites Using Powder Metallurgy
Composite materials are created by combining two or more different materials, which results in new material with enhanced properties when compared to the original components. In the case of Metal Matrix Composites (MMC), the main component is metal, while the reinforcement is made up of ceramics. MMCs are popular due to their durability and toughness, while ceramics provide high elastic modulus. They are widely used in various industries such as sports, automotive, aerospace, packaging and heavy industries. Aluminum-based composites are particularly favored in production due to their low density, high fatigue strength, and excellent resistance to corrosion (Tu et al., 2002). The objective is to produce a distinct aluminum-based composite, containing 2% of aluminum oxide (Al2O3), and then evaluate the mechanical and microstructural characteristics in comparison to pure aluminum using powder metallurgy.
Energy and Exergy Analysis of a Solar Drying System Using Sodium Thiosulphate Pentahydrate as PCM
Energy and exergy analysis of solar devices has drawn the interest of researchers across the globe. Energy analysis is a criterion to assess the efficient usage of solar energy. Solar energy storage at its maximum is a big challenge. This challenge can be resolved with the help of a solar dryer storage unit, as it is compact and possesses high storage density. But the problem is minimizing the cost. A low-cost phase change material (PCM) solves this issue; sodium thiosulfate pentahydrate is a PCM of low cost with high latent heat of fusion and its melting point is within the desired temperature range. To determine the usefulness of stored energy using sodium thiosulfate pentahydrate as PCM, exergy analysis based on second law is required. In this paper, energy and exergy studies were done during charging and discharging periods of PCM with a heat input and different mass flow rates of heat transfer fluid.
Estimation of the Effect of Spinodal Decomposition in Thin Films
The paper illustrates the effect of additional terms in diffusion equations, particularly spinodal equations. The spinodal mechanism is described by second-order diffusion with additional terms of 4th order coupled with a constant. Solutions are seldom found in a simple manner. These materials can yield nanostructures and alloys with advanced properties. In this study, a perturbation for small values of x and t was applied. Similarity variables with x and t are employed along with the separation of variable solutions that can produce an exact series solution. The results illustrate how growth proceeds and the effect of material parameters on growth, along with the important combinations of physical properties. The solutions vary depending on the transcendental equations for the moving boundaries. The rate dependencies changed from the square root of t to the 4th root of t at the small-parameter level. For example, a Cu-Ni alloy has been simulated. This study is primarily hypothetical, and focuses on the analysis of mathematical models. Important findings have recently appeared, showing the applicability of these transformations in the design of energy-storage cells, solar energy, nanocomposites, and other areas.
Conversion of Plastic Waste into Useful Energy: An Overview
Conversion of plastic trash into valuable energy is a viable approach for tackling this type of waste. Various procedures may be used to transform plastic waste into energy, including incineration, pyrolysis, and gasification. Incineration is the prevailing approach for the conversion of plastic waste into energy. One of the challenges is collection and categorization of plastic garbage. Another pertains to the development of conversion technologies that are both economically viable and energy-efficient. Despite these challenges, converting plastic waste into useful energy is a promising way to address the problem of plastic pollution. The technology in question is now in the developmental stage, although it holds promise for playing a substantial role in facilitating the transition towards a more sustainable future.
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