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In view of the trend in and requirement of microwave tubes, it is necessary to identify areas and involve academia in research and development with national laboratories and industries through sponsored projects. All concerned in the community established academic institutions, national laboratories, industries, and users must exploit the huge potential in large number of engineering college students...
Conventional methods of bagasse drying are using natural air convection or using forced air. The use of microwave energy to dry bagasse is not tried so far. It could be advantageous due to possibility of heating and drying bagasse at a much faster rate than conventional methods, thereby controlling calorific value accurately and improving boiler efficiency. Special setup is prepared to carryout experimental...
A variable high power microwave system, wherein output power can be varied from 0.6 kW to 5 kW at a nominal frequency of 2450 MHz has been designed and developed for processing of material in liquid form. Two applicators have been developed for the processing of material. One is a rectangular multimode cavity for batch processing. The second one is cylindrical cavity with tubes for continuous operation...
High power microwave tubes can generate power in MW level even at frequency above 100 GHz. These tubes are a necessity for various applications like high data rate ground and space communications, defence and civilian radars, linear accelerators, plasma heating, and e-bomb. Solid-state devices are not available to meet these objectives because of their power level in few watts. Some of the important...
A new model of microwave susceptors for FDTD simulations of electromagnetic heating phenomena is developed. Susceptors are thin metal coatings inside microwaveable food packages used to enhance the heating effects. Their modelling is crucial for accurate design of microwave ovens and food packages. It is shown that susceptors of typical parameters cannot be directly meshed (due to small thicknesses)...
It has been established now that the non ionised radiations Viz LF, HF, VHF and microwave have adverse biological effect on the human health in addition to the heating effect on tissues. These could be development of microwave syndromes, cancer, brain cell damage, loss of memory, loss/damage of sperm cells in the males, deformation of child in the womb, damage to the immune system, damage to retinal...
Dielectric windows often limit the power handling capability of vacuum electron devices. It is necessary to choose the right dielectric material for high power applications. Depending upon the power level, a range of materials has been used in various systems. The ideal material should have high mechanical strength, high thermal conductivity, high electrical breakdown voltage, low dielectric loss,...
In the present work, polycrystalline ferromagnetic Zn0.95Co0.05O samples have been synthesized in a TM011 single mode cylindrical microwave resonant cavity operating at 2.45 GHz. The synthesized specimen is analyzed for its crystallographic and electronic structure along with magnetic and electron transport properties. The X-ray diffractogram and photoelectron spectroscopy of Zn0.95Co0.05O establish...
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