A5021169059- Magnetic confinement fusion research
- Particle accelerators and beam dynamics
- Superconducting Materials and Applications
- Gyrotron and Vacuum Electronics Research
- Refrigeration and Air Conditioning Technologies
- Plasma Diagnostics and Applications
- Smart Agriculture and AI
- Heat Transfer and Boiling Studies
- Spacecraft and Cryogenic Technologies
- Big Data and Business Intelligence
- Electromagnetic Simulation and Numerical Methods
- Water Quality Monitoring Technologies
- Wireless Body Area Networks
- Heat Transfer and Optimization
- Electromagnetic Compatibility and Measurements
- Artificial Intelligence in Healthcare
- Antenna Design and Analysis
- Digital Transformation in Industry
- Food Supply Chain Traceability
- Energy Harvesting in Wireless Networks
- Energy Efficient Wireless Sensor Networks
- Advanced Thermodynamic Systems and Engines
- HVDC Systems and Fault Protection
- Thermal Analysis in Power Transmission
Saveetha University
2024
Institute for Plasma Research
2015-2023
Sangath
2023
The ITER Ion Cyclotron Heating and Current Drive system (IC H&CD) is designed to deliver 20MW a broad range of plasma scenarios between 40 55MHz, during very long pulses. It consists two broadband equatorial port plug antennas, their pre-matching matching systems, transmission lines, Radio Frequency (RF) Sources High Voltage Power Supplies. overall project schedule has been revised agreed by Council; it re-integrates the second antenna its power supplies in construction baseline sets dates...
India is responsible for delivery of 8+1(prototype) RF sources to ITER Organization. Each source will provide 2.5MW power at 2 VSWR in the frequency range 35 65MHz. Eight such generate total 20MW power. A large number high transmission line components are required connecting various stages source. To test these passive power, prior with system, a facility required. developing 3MW based on concept Traveling Wave Resonator (TWR) testing components. TWR basically ring resonator which build...
As part of development program for a high power co-axial transmission line component test facility, an existing traveling wave resonator based stand is modified to improve gain and ring return loss. The 10 dB directional coupler in the earlier replaced with 14 couple radio frequency ring. To achieve improved isolation loss, design equipped two broadside strip-lines tunable gap between them. Detailed optimization without setup performed using simulator Computer Simulation Technology Microwave...
A test bed for testing of MW level transmission line components, based on the concept standing wave resonator is being developed at ITER-India, Ion Cyclotron Heating and Current Drive (ICH&CD) lab. This can be configured operated various lengths optimum requirement. Estimated 32 kV peak voltage 650 current achieved inside during operation with an input power ∼ 20 kW. In this paper, detailed design simulation results using high frequency simulator Microwave Studio (MWS) presented. brief...
India is responsible for delivery of 8+1(prototype) RF sources to ITER Organization. Each source will provide 2.5MW power at 2 VSWR in the frequency range 35 65MHz with other stringent specifications. To test full performance, developing unique 3MW facility variable load condition (up 3.0 any phase angle between 0°-360°), consisting high 50 Ohm dummy load, shifter and stub. The combined assembly stub called MisMatch Transmission Line (MMTL) system. Detailed thermal simulation MMTL system has...
The high-power radio frequency source for ion cyclotron heating and current drive of ITER tokamak consists two identical 1.5 MW amplifier chains. These chains will be combined using a wideband hybrid combiner with adequate coupling flatness, phase balance, return loss, isolation response to generate 2.5 (RF) power in the range 36 60 MHz. As part in-house development program at ITER-India, flatness loss/isolation better than 0.4 −25 dB, respectively, has been simulated. A detailed analysis...
Abstract The vacuum tubes are used extensively in electronic industries. MW level of tube RF amplifiers and microwave sources different sectors like defence, nuclear energy, satellites medical diagnostics. first step the indigenous development is design its cooling jacket. jacket use hypervapotron (HV) fins which known for providing efficient compact space. key objectives this paper to finalize jacket’s construction material, evaluate heat transfer performance at (radiofrequency) power,...
Vacuum windows are an essential part of any radio frequency (RF) system which launches/couples RF power from atmospheric to a vacuum environment. This paper describes the design double barrier ceramic coaxial window. Alumina 99.5% pure is considered as material while inner and outer conductors oxygen-free copper. As initial approach thickness, slope, depth in conductor varied performance window studied. The optimised achieve best insertion loss, return loss response for operating range up 65MHz.