Faculty Publications

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Publications by NITK Faculty

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Author: search.filters.author.Murthy, C.S.N.Subject: search.filters.subject.energy efficiency

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    Thermal Conductivity Assessment in Limestone Rocks: Unveiling Patterns through P-Wave Velocity, Uniaxial Compressive Strength and Mineral Composition
    (World Researchers Associations, 2025) Dileep, G.; Kumar, T.A.; Murthy, C.S.N.; Labani, R.; Kumar, P.S.
    Rock thermal conductivity is a critical property in the building and construction industry, playing a key role in optimizing energy efficiency. It guides material selection for insulation and ensures effective resistance to heat transfer within structures. This study introduces an alternative approach for estimating the thermal conductivity of rocks using an indirect method. The proposed approach leverages P-wave velocity, uniaxial compressive strength and mineral composition as predictive parameters. This study examines the relationship between thermal conductivity and key rock properties, including P-wave velocity, uniaxial compressive strength and quartz content. A significant positive correlation was identified, highlighting the potential of these parameters as reliable predictors for estimating the thermal conductivity of rocks. © 2025, World Researchers Associations. All rights reserved.
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    Performance analysis of a 50 MW grid-connected solar PV system for sustainable mining operations
    (World Researchers Associations, 2025) Shiva Kumar, B.S.; Kunar, B.M.; Murthy, C.S.N.
    The strategic use of renewable resources has become essential for guaranteeing energy security in response to rising energy demands. Mining operations require creative solutions to provide steady energy delivery because of their high energy needs and dependence on continuous power. A technically sound and financially advantageous option for extensive energy integration in these industries is grid-connected photovoltaic (PV) system. The performance of 50 MW grid-connected solar PV power plant in Peddapalli, a major mining hub with ideal solar conditions, is assessed in this study. With an average yearly temperature of 27.3°C and a mean solar insolation of 4.97 kWh/m2, the plant uses a seasonal tilt approach to maximize solar energy capture. A quarterly energy yield of 15,798.192 MWh, a capacity utilization factor (CUF) of 17.68% and a performance ratio (PR) of 86.12% are examples of key performance measures. By successfully integrating solar PV technology into mining operations, operational expenses and carbon emissions are decreased while issues with energy stability are resolved. This study provides helpful insights for utilizing renewable energy in energy-intensive businesses by highlighting the necessity of robust architecture, stable buildings and efficient energy management to maintain a consistent power supply. © 2025, World Researchers Associations. All rights reserved.