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Published byEmil Griffin Modified over 8 years ago
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Direct energy conversion Professor Lev Bulat Department of Electrical and Electronic Engineering National Research University ITMO Laboratory on Direct Energy Conversion and Nano-engineering of Thermoelectric Structures
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Thermoelectricity – Environment Friendly Methods Peltier Effect Seebeck Effect Green cooling (refrigeration) without freons Direct conversion of a heat into electricity
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Applications of Cooling Telecommunications, microprocessors Picnic-boxes, coolers for medicines
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Applications of Cooling Automotive Camfort Climatic Environment
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Sarcophagus for Mausoleums (KVANT) Thermal management in mausoleums : Lenin (Moscow) Dimitrov (Sofia) Ho Shi Min(Hanoi) Agostin’o Neto (Luanda)
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Applications of Energy Generation Autonomous Power Sources (KVANT) Independent power supplies on 150 – 1500 W for Gazprom
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Waste Heat Recovery Reduce 5% - 10% CO 2 Save 5% - 10% petrol Power supply of radio, DVD, charges of batteries, mobiles, illumination
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Space Applications Curiosity (Mars-mobile) Plutonium-238 TEG Voyager Radioisotope Thermoelectric Generator
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Increasing of the figure of merit Figure of merit ZT determines thermoelectric efficiency and COP Way of improvement ZT – nanotechnology Our result – 20% increase of ZT Nanoparticles Bi 0.4 Sb 1.6 Te 3 + MoS 2 Nanoparticles Bi 0,5 Sb 1,5 Te 3 + graphene Nanoparticles Bi 0,5 Sb 1,5 Te 3 + fulleren С 60
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Applications of heat flow sensors Heat loss measuring instruments for averting of heat loss and prevention of heat pollution. Medical and biological heat sensors for express-diagnostics of healthy, inflamed and tumor tissues, express-diagnostics of cardio-vascular diseases, early diagnostics of surgical diseases, determining of the acupuncture’s points, administration of a process of the muscle’s electric stimulation. Instruments for measuring of a level of liquids in closed reservoirs. Meters for gas pressure in hermetic bulbs and reservoirs. Geological and geophysical heat gages for determination of the Earth heat at a ground’s surface and at a bottom of oceans. look of mineral products, hot springs, forecast of earthquakes and eruptions of volcanoes, detecting of bags and gas locks in underground mines and heading, determining of cryptic underground fire points, etc.
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