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    Article

    Experimental assessment of thermohydraulic performance on counter flow im**ing air solar heater integrated with arc shaped roughness

    The aim of this research is to conduct an experiment that will evaluate the effect of combining of counter flow air-im**ing arrangement and an arc-shaped turbulators over the absorber plate of solar heater. ...

    P. Michael Joseph Stalin, Murugesan Palaniappan, S. Karthikeyan in Heat and Mass Transfer (2024)

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    Article

    Capacitor voltage unbalance minimization for three-phase five-level diode-clamped inverter using hexagonal hysteresis space vector modulation

    This article suggests a method for diminishing the voltage unbalance in a three-phase five-level diode-clamped inverter (DCI) through the use of hexagonal hysteresis space vector modulation (HHSVM). Capacitor ...

    R. Palanisamy, Manmohan Singh, R. Ramkumar in Multiscale and Multidisciplinary Modeling,… (2024)

  3. Article

    Retraction Note to: Non functional requirement based software architecture scheme with security requirement using hybrid group search optimization and genetic algorithm

    R. Ramkumar, G. S. Anandha Mala in Journal of Ambient Intelligence and Humanized Computing (2023)

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    Chapter and Conference Paper

    Development of FLC Based AC to AC Converter for Wind Energy

    Renewable energy has become more important backup power source for major power systems in order to provide clean, reliable electricity. To link the WECS with a grid by a distributed energy generation module, a...

    R. Senthil Kumar, K. Prabaakaran in International Conference on Computing, Com… (2022)

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    Article

    RETRACTED ARTICLE: Non functional requirement based software architecture scheme with security requirement using hybrid group search optimization and genetic algorithm

    Managing non functional requirements has been a challenge onto software engineers for a long time. Throughout the years, numerous strategies and methods have been proposed to enhance their elicitation, documen...

    R. Ramkumar, G. S. Anandha Mala in Journal of Ambient Intelligence and Humanized Computing (2021)

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    Chapter and Conference Paper

    CFD Simulation Studies on Model Can-Type Combustor with Syngas and Enhanced Hydrogen Fuel Combustion

    Syngas derived from coal or biomass becomes major source of energy for present and near-future power generation. The conventional fossil fuel-fired gas turbine combustors need attention to adopt variation in f...

    R. Ramkumar, Manoj Mannari in Advances in IC Engines and Combustion Technology (2021)

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    Chapter and Conference Paper

    An Adaptive K-Means Segmentation for Detection of Follicles in Polycystic Ovarian Syndrome in Ultrasound Image

    One among the frequent disorder existing in females is caused due to the hormonal change in reproductive age group which is called as polycystic ovarian syndrome (PCOS). PCOS is mostly interrelated with type 2...

    N. S. Nilofer, R. Ramkumar in Proceedings of International Conference on… (2021)

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    Chapter and Conference Paper

    Design and Analysis of Swing Arm Using Carbon Fiber Composite by Using Creo 2.0 and ANSYS

    The current research presents the first step in the design process of a cantilever composite swing arm. The aim of the project is to design and model a swing arm according to the loads applied. Presently used ...

    Pidaparthy Maheshbabu, R. Ramkumar in Recent Trends in Mechanical Engineering (2021)

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    Article

    Grouped frequency interleaved ordering with pre-fetching for efficient channel navigation in internet protocol television

    Internet Protocol Television (IPTV) is becoming one of the major internet applications due to its variety of contents and services. However, the increased number of channels makes very difficult to find one’s ...

    M. S. K. Manikandan, P. Saurigresan, R. Ramkumar in Multimedia Tools and Applications (2016)

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    Article

    Optimization of cooling tower performance with different types of packings using Taguchi approach

    This study discuss the application of Taguchi method in assessing maximum cooling tower effectiveness for the counter flow cooling tower using different types of packing. The experiments were planned based on...

    R. Ramkumar, A. Ragupathy in Journal of the Brazilian Society of Mechan… (2015)

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    Article

    Pyoderma gangrenosum with pure red cell aplasia

    Pyoderma gangrenosum is an inflammatory condition of the skin commonly associated with inflammatory bowel disease and rheumatoid arthritis, but also associated with various hematological malignancies. We descr...

    S. Balasubramanian, K. Kaarthigeyan, J. Rajkumar, R. Ramkumar in Indian Pediatrics (2010)

  12. Chapter and Conference Paper

    Run-Time Adaptation of Non-functional Properties of Composite Web Services Using Aspect-Oriented Programming

    Existing web service composition and adaptation mechanisms are limited only to the scope of web service choreography in terms of web service selection/invocation vis-à-vis pre-specified Service Level Agreement...

    N. C. Narendra, Karthikeyan Ponnalagu in Service-Oriented Computing – ICSOC 2007 (2007)