Search Results - "Jayashankar, V."

A twin unidirectional impulse turbine topology for OWC based wave energy plants by Jayashankar, V., Anand, S., Geetha, T., Santhakumar, S., Jagadeesh Kumar, V., Ravindran, M., Setoguchi, T., Takao, M., Toyota, K., Nagata, S.

“…Experimental results from near shore bottom standing OWC based wave energy plants in Japan and India have now been available for about a decade. Historically…”
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Measurement of Viscoelastic Properties of Polyacrylamide-Based Tissue-Mimicking Phantoms for Ultrasound Elastography Applications by Kumar, K., Andrews, M.E., Jayashankar, V., Mishra, A.K., Suresh, S.

“…Many ailments and/or malfunctions of the body have been observed to change the viscous behavior and elastic properties of biological soft tissues. The…”
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Virtual Instrument for Lightning Impulse Tests by Palani, A., Jayashankar, V.

“…We propose an objective formulation of the impulse analysis problem from a signal analysis viewpoint. The winding response is quintessentially that of a…”
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Comparative Evaluation of Stress Distribution Around The Supporting Bone, Abutment, Prosthesis, Using Zirconia And Titanium Implants In The Anterior Maxilla: A Three Dimensional Finite Element Analysis by BV, Jayashankar, Aradya, Anupama, Chowdhary, Ramesh

“…Objective: The study was designed to evaluate and compare stress distribution intrans cortical section of bone with titanium implant and zirconia implant model…”
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Real-Time Techniques to Measure Winding Displacement in Transformers During Short-Circuit Tests by Palani, A., Santhi, S., Gopalakrishna, S., Jayashankar, V.

“…The ability of a transformer to withstand the dynamic effects of a short circuit test is conventionally evaluated by a measurement of short circuit reactance…”
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A twin unidirectional impulse turbine topology for OWC based wave energy plants – Experimental validation and scaling by Mala, K., Jayaraj, J., Jayashankar, V., Muruganandam, T.M., Santhakumar, S., Ravindran, M., Takao, M., Setoguchi, T., Toyota, K., Nagata, S.

“…The twin unidirectional turbine topology was recently proposed with the promise of very significant improvements in the energy capture in Oscillating Water…”
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A correlation method for detection of partial discharges in transformers by Jayalalitha, S., Jayashankar, V.

“…A correlation method is proposed for the location of partial discharge within a winding. Theoretical simulations and experimental results on a lumped parameter…”
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Steady Grid Power From Wave Energy by Kiran, D.R., Palani, A., Muthukumar, S., Jayashankar, V.

“…A new scheme for reducing the fluctuations in power to a grid-connected wave energy plant is proposed. It achieves this by physically decoupling the turbine…”
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A predictive switching modulator for current mode control of high power factor boost rectifier by Chattopadhyay, S., Ramanarayanan, V., Jayashankar, V.

“…In this paper, a new variation of current mode control for high power factor operation of boost rectifier is presented. The general features are no input…”
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A Lock-in Technique for PD Measurement during Impulse Tests by Palani, A., Jayashankar, V., Gopalakrishnan, M.

“…A method is proposed for recognizing PD events within a winding during impulse tests using a lock-in amplifier technique. The resonant frequencies of the…”
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On the Mechanical Short-Time Rating of a Current Transformer by Gopalakrishna, S., Ilampoornan, M.K., Jayashankar, V.

“…Closed-form expressions and a finite-element method are used to compute the maximum force in the primary conductor of a wound current transformer (CT). It is…”
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Enhancing the energy efficiency of the impulse turbine of a wave energy plant by Muthukumar, S., Jayashankar, V.

“…The power take-off mechanism of the oscillating water column based Indian wave energy plant is based on an impulse turbine-permanent magnet synchronous…”
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Modified disruptive effect method as a measure of insulation strength for non-standard lightning waveforms by Savadamuthu, U., Udayakumar, K., Jayashankar, V.

“…In many physical insulation systems it is often necessary to establish the approximate estimate of the breakdown voltage for nonstandard impulse voltages. The…”
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Improvement in diagnosis of breast tumour using ultrasound elastography and echography: A phantom based analysis by Kumar, K, Andrews, Me, Jayashankar, V, Mishra, Ak, Suresh, S

“…Due to the isoechoic nature of lesions and their poor contrast with neighbouring tissue, a lesion may remain undetected in ultrasound B mode imaging for…”
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Performance estimation of bi-directional turbines in wave energy plants by Anand, S., Jayashankar, V., Nagata, S., Toyota, K., Takao, M., Setoguchi, T.

“…Oscillating water column （OWC） based wave energy plants have been designed with several types of bidirectional turbines for converting pneumatic power to shaft…”
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A virtual instrument for real time in vivo measurement of carotid artery compliance by Joseph, Jayaraj, Jayashankar, V.

“…A new virtual instrument for real time, non invasive measurement of carotid artery compliance is proposed. The instrument is a reliable, compact and low cost…”
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Magnetic sensor for non-invasive detection of blood pulse and estimation of arterial compliance by Joseph, J, Jayashankar, V

“…The modulated magnetic signature based method has been recently suggested for non-invasive detection of blood pulse. Here we present our experience with the…”
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Micro-controller based emulation of a wave energy converter by Muthukumar, S, Jayashankar, V

“…Ocean wave energy has not yet gained popularity as a renewable energy source because of intermittent nature of available wave power. Still deriving a constant…”
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Modified Disruptive Effect Method as a Measure of Insulation Strength for Nonstandard Lightning Waveforms by Usa, S., Udayakumar, K., Jayashankar, V.

“…In many physical insulation systems it is often necessary to establish the approximate estimate of the breakdown voltage for nonstandard impulse voltages. The…”
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On the use of concurrent high frequency excitation during a short circuit test in a power transformer by Gopalalkrishna, S, Joseph, Jayaraj, Jayashankar, V

“…The short circuit test is a special test for proving the mechanical integrity of a power transformer. Conventionally a change in reactance exceeding 2% after…”
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